All Cast
Cast List: M
- Jonathan Mabberley (cast as UNIT Worker in The Power Of Three)
- Nigel Mably (cast in 2 episodes, e.g. Congregation in The Crimson Horror)
- Andrew MacBean (cast as Flying Instructor in Torchwood: Out of Time)
- James MacCallum (cast in 5 episodes, e.g. Isambard Kingdom Brunel in Big Finish: Iron Bright)
- Jo MacCrimmon (cast in 2 episodes, e.g. Audience in The Shakespeare Code)
- Barry MacDonald (cast as (extra) in Robot: Part Three)
- Eleanor MacDonald (cast as Female Hoover in Daleks in Manhattan)
- Roy MacDonald (cast as Trooper in The Awakening: Part One)
- Chris MacDonnell (cast as Arnheim in Dragonfire: Part Two)
- Colin MacFarlane (cast as Foster in Big Finish: New Adventures of Bernice Summerfield: Volume One: Random Ghosts)
- Jane MacFarlane (cast as Anni in Big Finish: Snake Head)
- Luke MacGregor (cast in 6 episodes, e.g. Computer in Big Finish: The Story So Far Volume One: Ever After Happy)
- Niall MacGregor (cast in 3 episodes, e.g. Robert in Big Finish: Home Truths)
- Alex MacIntosh (cast as Television Reporter in Day of the Daleks: Episode Four)
- Jimmy Mac (cast in 9 episodes, e.g. Coven in The Dæmons: Episode One)
- Angus MacKay (cast in 5 episodes, e.g. Borusa in The Deadly Assassin: Part One)
- Stephen MacKenna (cast as Dennis in The Woman Who Fell to Earth)
- Alastair MacKenzie (cast in 4 episodes, e.g. Julian St Stephen in Big Finish: Counter-Measures: Series 1: Threshold)
- Alistair MacKenzie (cast in 2 episodes, e.g. Robots in Big Finish: The Entropy Plague)
- Adrian MacKinder (cast in 5 episodes, e.g. Rogers/Game Voice in Big Finish: Spaceport Fear)
- Andrew MacKlin (cast as Michael in Ascension of the Cybermen)
- Deborah MacLaren (cast as Kistane Toc Shafe Cane in Utopia)
- Iona MacRae (cast as London extra in Doctor Who And The Silurians: Episode 6)
- Tom MacRae (cast in 2 episodes, e.g. Self in Factual: The Tenth Doctor)
- Dennis MacTighe (cast as Factory Worker in Spearhead From Space: Episode 1)
- Cornelius Macarthy (cast as Charles Gaskell in Torchwood: Exit Wounds)
- Keith Macey (cast in 2 episodes, e.g. Self defence lad in Survival: Part One)
- Jay Macgrath (cast as French Peasant in The Reign Of Terror: Guests of Madame Guillotine)
- Juliet Machallat (cast in 2 episodes, e.g. Passer in Smith and Jones)
- Olive Macheil (cast in 2 episodes, e.g. Technician in Doctor Who And The Silurians: Episode 3)
- Frances Machin (cast in 2 episodes, e.g. Savage Child in The Savages: Episode 3)
- Steve Machrin (cast as Cameraman in The Daleks' Master Plan: The Feast of Steven)
- Jamie Maciver (cast as Spectator in The Wedding of River Song)
- Jimmy Mack (cast in 2 episodes, e.g. Serving Man in The End of Time: Part One)
- Johnnie Mack (cast as Time Lord in The Five Doctors)
- Lee Mack (cast as Dan Cooper in Kerblam!)
- Fulton Mackay (cast in 4 episodes, e.g. Dr. Quinn in Doctor Who And The Silurians: Episode 3)
- John Mackay (cast as John Logie Baird in The Giggle)
- Will Mackay (cast in 2 episodes, e.g. Stunts in The Ghost Monument)
- Ian Mackenzie (cast in 2 episodes, e.g. Anderson in Dragonfire: Part One)
- Josephine Mackerras (cast as Toomey in Big Finish: Dreamtime)
- Doon Mackichan (cast as Louise Marlowe in The Sarah Jane Adventures: The Nightmare Man: Episode Two)
- George Mackie (cast in 2 episodes, e.g. Soldier in The Dæmons: Episode Three)
- Pearl Mackie (cast in 16 episodes, e.g. Bill in The Pilot)
- Douglas Mackinnon (cast in 3 episodes, e.g. Craig in The Power Of Three)
- Anjella Mackintosh (cast in 12 episodes, e.g. Anita Kereki in Big Finish: The Labyrinth of Buda Castle)
- Steven Mackintosh (cast as Gazak in Timelash: Part One)
- Andrew Macklin (cast in 3 episodes, e.g. Robert DeValley in Big Finish: The Fifth Doctor Boxset: Psychodrome)
- Hilary Maclean (cast in 5 episodes, e.g. Anna Frobisher in Torchwood: Children Of Earth: Day One)
- Erika Macleod (cast as Sally Calypso in Gridlock)
- Alex Macqueen (cast in 16 episodes, e.g. The Master in Big Finish: Vampire of the Mind)
- Roy Macready (cast in 4 episodes, e.g. Cordo in The Sun Makers: Part One)
- Vivek Macwana (cast as Passer in The End of Time: Part One)
- Rilla Madden (cast as Woman in market in The Romans: The Slave Traders)
- S Madden (cast as Villager in The Dæmons: Episode Five)
- Leigh Maddern (cast as UNIT Soldier in The Day of The Doctor)
- Victor Maddern (cast in 8 episodes, e.g. Robson in Fury From the Deep: Episode 1)
- Nicola Maddock (cast in 2 episodes, e.g. (extra) in The Curse of Fenric: Part One)
- Wesley Maddocks (cast as Blue Staff in The End Of The World)
- Hannah Maddox (cast as Angela in Big Finish: Corpse Day)
- Louise Maddy (cast as Village Dancer in Human Nature)
- Ruth Madeley (cast in 2 episodes, e.g. Shirley Bingham in The Star Beast)
- Brian Madge (cast as Man in Galaxy 4: The Exploding Planet)
- Nick Madge (cast in 6 episodes, e.g. Band in Human Nature)
- Robert Madge (cast in 2 episodes, e.g. Krislok in The Sarah Jane Adventures: The Temptation of Sarah Jane Smith: Episode One)
- Sarah Louise Madison (cast in 7 episodes, e.g. Weeping Angel in Good as Gold)
- Tony Madison (cast in 2 episodes, e.g. Pirate in The Smugglers: Episode 1)
- Philip Madoc (cast in 18 episodes, e.g. Eelek in The Krotons: Episode One)
- Nina Maffey (cast as Crowd in Doomsday)
- Dominic Mafham (cast in 3 episodes, e.g. Chidak in Big Finish: The Dalek Contract)
- Zing Magama (cast as Soldier in Into the Dalek)
- Francis Magee (cast in 2 episodes, e.g. Stewart in Big Finish: Flip-Flop)
- Karl Magee (cast in 4 episodes, e.g. Clown in The Greatest Show in the Galaxy: Part One)
- Marcus Maggio (cast in 3 episodes, e.g. Handsome Man in The Runaway Bride)
- Tobina Maghon-Brown (cast in 4 episodes, e.g. Sister in The Brain of Morbius: Part One)
- Marco Magnani (cast in 2 episodes, e.g. Crowd in The Shakespeare Code)
- Jonny Magnanti (cast as Lawrence in Big Finish: Nightshade)
- Marcello Magni (cast as Barney Collins in The Eleventh Hour)
- Vidar Magnusse (cast as Lieutenant Strindberg in Big Finish: Bang-Bang-a-Boom!)
- Vidar Magnussen (cast as Professor Harket in Big Finish: Project: Lazarus)
- Magnus Magnusson (cast as Self in Related Items: Mastermind: 1993 Episode 1)
- Arthur Maguire (cast as Crowd in The Highlanders: Episode 1)
- Ben Maguire (cast as Roman Soldier in The Fires of Pompeii)
- Josh Maguire (cast as Self in Factual: 30 Years In The TARDIS)
- Leonard Maguire (cast as Draith in Full Circle: Part One)
- Oliver Maguire (cast in 4 episodes, e.g. Shrieve in The Ribos Operation: Part One)
- Johnny Mah (cast as Chinese Gangster in The TV Movie)
- Sylvia Maharaj (cast in 2 episodes, e.g. Tourist/Londoner in The Bells of Saint John)
- Tobina Mahon Brown (cast in 2 episodes, e.g. Kinda in Kinda: Part Three)
- Jimmy Mahon (cast as Highlander in The Highlanders: Episode 2)
- Charlotte Mahoney (cast as Guest in Voyage of the Damned)
- Chris Mahoney (cast as Bedlam Inmate in The Shakespeare Code)
- Louis Mahoney (cast in 5 episodes, e.g. Billy Shipton in Blink)
- Tom Mahy (cast in 7 episodes, e.g. JP / Rocker 2 in Big Finish: Susan's War: Sphere of Influence)
- Anthony Maine (cast as Waxworks Visitor / Auton Replica in Spearhead From Space: Episode 4)
- Claire Maine (cast as Waxworks Visitor / Auton Replica in Spearhead From Space: Episode 4)
- Jonathan Mainwaring (cast as Neighbour in The End of Time: Part Two)
- Heather Mair Thomas (cast in 2 episodes, e.g. Blue Kang in Paradise Towers: Part One)
- Roderick Mair (cast in 3 episodes, e.g. Dead Prime Minister in World War Three)
- Sarah Mairwen (cast as Boiler Suited Technician in Death in Heaven)
- Emily Maitlis (cast as Herself in The Power Of Three)
- Rik Makarem (cast as Rupesh Patanjali in Torchwood: Children Of Earth: Day One)
- Michael Malcolm (cast in 3 episodes, e.g. Tractator in Frontios: Part Two)
- Misha Malcolm (cast as Solara in Big Finish: Colony of Fear: Big Finish)
- Oscar Malcolm (cast as Boy on bus in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Lee Malcolmson (cast as Worker in The Sontaran Stratagem)
- Art Malik (cast in 2 episodes, e.g. Abbot Absolute in Big Finish: The Skull of Sobek)
- Joe Malik (cast in 4 episodes, e.g. UNIT Soldier in The Power Of Three)
- Kevork Malikyan (cast in 2 episodes, e.g. Kemel Rudkin in The Wheel In Space: Episode 2)
- Bill Malin (cast in 8 episodes, e.g. (extra) in Remembrance of the Daleks: Part One)
- Nick Malinowski (cast as Eric in A Christmas Carol)
- Grahame Mallard (cast in 2 episodes, e.g. Harg in The Power of Kroll: Part One)
- Alex Mallinson (cast in 38 episodes, e.g. Patrick in Big Finish: 100: Bedtime Story)
- David Mallinson (cast as Brodlik in Big Finish: Creatures of Beauty)
- John Mallon (cast in 4 episodes, e.g. Refugee in Utopia)
- Barbara Mallory (cast as Scared Old Woman in Torchwood: Escape to L.A.)
- Simon Malloy (cast in 2 episodes, e.g. TV Crew in The Dæmons: Episode One)
- Mary Malone (cast as Trudy in The Church On Ruby Road)
- Michael Malone (cast in 2 episodes, e.g. Fratalin in Big Finish: Patient Zero)
- Michael Maloney (cast in 10 episodes, e.g. Viyrans/Alien in Big Finish: Blue Forgotten Planet)
- Craig Malpass (cast as Male Cleric in A Good Man Goes to War)
- Kevin Maltby (cast in 4 episodes, e.g. (extra) in Battlefield: Part One)
- Yamit Mamo (cast as Singer in Voyage of the Damned)
- Sonal Mamta (cast in 5 episodes, e.g. Police in Smith and Jones)
- Yuk Man (cast as Passer in Dark Water)
- Elin Manahan Thomas (cast in 2 episodes, e.g. Self in Music: Doctor Who Prom (2013): Radio)
- Dominic Mancienne (cast in 2 episodes, e.g. Faceless Crowd in The Idiot's Lantern)
- Richard Mancienne (cast in 2 episodes, e.g. Faceless Crowd in The Idiot's Lantern)
- Thorston Manderlay (cast as Leutnant in Big Finish: The Scapegoat)
- Darren Mango (cast in 5 episodes, e.g. Carters's Boy in The King's Demons: Part One)
- Katharine Mangold (cast as Miss Hannigan in Big Finish: Missing Persons: The Brimstone Kid)
- Nigel Mani (cast as Range Rover Driver in Death in Heaven)
- Jerry Manley (cast in 3 episodes, e.g. Vervoid in The Trial of a Time Lord (Terror of the Vervoids): Part Twelve)
- Richard Manlove (cast as Queen Guard in The Shakespeare Code)
- Bruce Mann (cast as Arnulf in Big Finish: The Holy Terror)
- Dave Mann (cast as Punter in The Name of the Doctor)
- Karen Mann (cast as Hitchley's Mom in The Zygon Invasion)
- Laurence Mann (cast in 2 episodes, e.g. Base Technician in Dalek)
- Paul Mann (cast in 2 episodes, e.g. (extra) in The Power of Kroll: Part One)
- Sue Ann Manners (cast in 4 episodes, e.g. Metabelis 3 Inhabitant in Planet of the Spiders: Part Three)
- Warren Manners (cast as Male Assistant in Time Heist)
- Adam Manning (cast as Tom in Big Finish: Deadline)
- Katy Manning (cast in 170 episodes, e.g. Jo Grant in Terror of the Autons: Episode One)
- Richard Manning (cast in 3 episodes, e.g. Rich Man in The Next Doctor)
- Rick Manning (cast in 3 episodes, e.g. Futurekind in Utopia)
- Tony Manning (cast as UNIT/Bunker Crew in The Invasion: Episode Seven)
- Lisa Manray (cast as Passenger/Passerby in Boom Town)
- Sam Mansaray (cast as Diplomat in Day of the Daleks: Episode Four)
- loan Mansaray (cast as Ambassadors in The End Of The World)
- Sam Mansary (cast as Sentreal in Mission to the Unknown)
- Ronald Mansell (cast in 3 episodes, e.g. Council Member in The Dominators: Episode 2)
- Kevin Manser (cast in 40 episodes, e.g. Dalek Operator in The Daleks: The Survivors)
- loan Mansery (cast as Worker in The Long Game)
- Barbara Mansfield (cast as Woman in market in The Romans: The Slave Traders)
- Ben Mansfield (cast in 2 episodes, e.g. Loglan/ Shadow Loglan in Big Finish: Shadow Planet)
- Stephen Mansfield (cast in 8 episodes, e.g. Fifi operator in Doctor Who (Miscellaneous): Dimensions In Time: Part One)
- Deborah Manship (cast in 4 episodes, e.g. Morgana in The Greatest Show in the Galaxy: Part One)
- Mark Mansi (cast as Chamberlain Man in The Shakespeare Code)
- Amy Manson (cast in 2 episodes, e.g. Alice Guppy in Torchwood: Fragments)
- Sam Mansoray (cast as Press in The War Machines: Episode 1)
- Clive Mantle (cast in 3 episodes, e.g. Oliver Cromwell in Big Finish: The Settling)
- Doreen Mantle (cast in 2 episodes, e.g. Mrs Randall in The Sarah Jane Adventures: Eye of the Gorgon: Part One)
- Peter Mantle (cast as Kaled Guard in Genesis of the Daleks: Part Five)
- Emma Manton (cast as Veline in Big Finish: Creatures of Beauty)
- Damiem Mantoulan (cast in 3 episodes, e.g. Faceless Crowd in The Idiot's Lantern)
- Lesley Manville (cast as Heather Hartnell in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Simon Manyonda (cast as Kabel in Face The Raven)
- Ian Mar (cast as Ike in Big Finish: Sword of Orion)
- Andre Maranne (cast in 4 episodes, e.g. Benoit in The Moonbase: Episode 1)
- Joseph Marcell (cast as John in Remembrance of the Daleks: Part Two)
- Angela March (cast in 6 episodes, e.g. Crew of Wheel in The Wheel In Space: Episode 1)
- Dan March (cast as Varian in Big Finish: The Lure of the Nomad)
- David G March (cast in 2 episodes, e.g. 2nd Radar Operator in The Claws of Axos: Episode One)
- Nimmy March (cast in 11 episodes, e.g. Baroness Vance/Telokni in Big Finish: UNIT: Silenced: House of Silents)
- Robin March (cast in 2 episodes, e.g. Dalek Hostage in Journey's End)
- Andrew Marchant (cast in 6 episodes, e.g. Campaigner in The Sound of Drums)
- Roger Marchum (cast as Villager in The Dæmons: Episode Five)
- James Marcus (cast in 4 episodes, e.g. Peasant in Invasion of the Dinosaurs: Part Two)
- Stephen Marcus (cast as Jailer in The Shakespeare Code)
- Anne Margold (cast as Woman at Banquet in The Romans: Conspiracy)
- Miriam Margolyes (cast as Meep (Voice) in The Star Beast)
- Miriam Margolyes OBE (cast in 2 episodes, e.g. Leaf Bluthereen in The Sarah Jane Adventures: The Gift: Episode One)
- Miriam Margolyes (cast as Frau Tod in Big Finish: The Beast of Orlok)
- Maria (cast as Mr Colasanto's Wife in Turn Left)
- Alana Maria (cast in 4 episodes, e.g. Pentagon Woman in Extremis)
- Mariam (cast as Nundy Nurse in Silence in the Library)
- Chrissie Marie Fit (cast as Assistant in Torchwood: Rendition)
- Anamaria Marinca (cast as Darla Von Karlsen in Asylum of the Daleks)
- Sarah Marinos (cast in 2 episodes, e.g. Cloud Worker in The Bells of Saint John)
- Mario (cast as Circus Performer in Terror of the Autons: Episode Two)
- Aurora Marion (cast as Noor Inayat Khan in Spyfall: Part Two)
- Ray Marioni (cast as Pirate in The Smugglers: Episode 4)
- Julian Mark (cast in 2 episodes, e.g. (extra) in The Power of Kroll: Part One)
- Richard Mark (cast as Lord Jezzavar in Big Finish: Hexagora)
- Petra Markham (cast in 5 episodes, e.g. Safiya in The Crusade: The Wheel of Fortune)
- Laura Marklew (cast in 2 episodes, e.g. Guest in Voyage of the Damned)
- Chris Marks (cast in 3 episodes, e.g. Deon in Meglos: Part One)
- Gareth Marks (cast as Police Officer Mason in Rosa)
- Sam Marks (cast as Wiggins in The Shakespeare Code)
- Shvorne Marks (cast in 16 episodes, e.g. Silo Crook in Big Finish: The Lives of Captain Jack: The Year After I Died)
- Patrick Marley (cast as Soldier in The Reign Of Terror: Prisoners of Conciergerie)
- Denis Marlow (cast in 2 episodes, e.g. Monoid in The Ark: The Return)
- Greg Marlow (cast in 6 episodes, e.g. Passenger in Nightmare of Eden: Part One)
- Fernanda Marlowe (cast in 5 episodes, e.g. Corporal Bell in The Mind of Evil: Episode One)
- Linda Marlowe (cast in 5 episodes, e.g. May in Big Finish: Forty-Five: Casualties of War)
- William Marlowe (cast in 9 episodes, e.g. Mailer in The Mind of Evil: Episode Two)
- Shvorne Marls (cast as Ampz in Big Finish: The Unbound Universe: The Emporium At The End)
- Thapelo Maropefela (cast as Aramu in Praxeus)
- Andrew Marr (cast in 2 episodes, e.g. Self in Aliens of London)
- Charlie Marr (cast as Pond Hand in The Snowmen)
- Kirsty Marr (cast as Driver in Dark Water)
- Kyde Marrable (cast in 2 episodes, e.g. Crowd Children in Fear Her)
- Alan Marriott (cast in 4 episodes, e.g. ADR in Daleks in Manhattan)
- Charles Marriott (cast in 4 episodes, e.g. Photographer in The Mind of Evil: Episode One)
- Gary Marriott (cast as Passer in The Lazarus Experiment)
- Joanne Marriott (cast as (extra) in Smith and Jones)
- Sylvia Marriott (cast in 3 episodes, e.g. Deon in Meglos: Part One)
- Eddie Marsan (cast in 2 episodes, e.g. Mr White in The Sarah Jane Adventures: Goodbye, Sarah Jane Smith: Episode One)
- Faye Marsay (cast in 2 episodes, e.g. Shona in Last Christmas)
- Robert Marsden (cast as Abraham Lincoln in The Chase: The Executioners)
- Roger Marsden (cast in 4 episodes, e.g. UNIT Soldier in The Mind of Evil: Episode Three)
- Roy Marsden (cast in 3 episodes, e.g. Dr B. Stoker in Smith and Jones)
- Jean Marsh (cast in 27 episodes, e.g. Sara Kingdom in The Daleks' Master Plan: The Traitors)
- Jennifer Marsh (cast as Spectator in The Wedding of River Song)
- Keith Marsh (cast as Conway in Aaru Movies: Daleks' Invasion Earth 2150 A.D.)
- Winston Marsh (cast as Knight in The Crusade: The Wheel of Fortune)
- Ian Marshall-Fisher (cast in 13 episodes, e.g. Cyberman in The Five Doctors)
- Bob Marshall (cast in 3 episodes, e.g. Peasant in Village in State of Decay: Part One)
- Charles Marshall (cast as Peasant in Robot Of Sherwood)
- Ian Marshall (cast in 4 episodes, e.g. Orderly in Frontios: Part One)
- Kate Marshall (cast in 2 episodes, e.g. Crowd in Rise of the Cybermen)
- Nadine Marshall (cast in 5 episodes, e.g. Katrice/Kordel in Big Finish: You Are the Doctor)
- Olivia Marshall (cast as Floor Zero Crew in The Parting of the Ways)
- Paul Marshall (cast as Camera Man in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Ross Marshall (cast as Blue Staff in The End Of The World)
- Shelena Marshall (cast in 2 episodes, e.g. Rezzie in Paradise Towers: Part Two)
- Tayler Marshall (cast as Gabriel Tyler in Big Finish: Damaged Goods)
- Sheena Marshe (cast in 4 episodes, e.g. Kate in The Gunfighters: A Holiday for the Doctor)
- James Marsters (cast in 4 episodes, e.g. Captain John Hart in Torchwood: Kiss Kiss, Bang Bang)
- Roger Marston (cast in 4 episodes, e.g. Scientist (Irongron) in The Time Warrior: Part One)
- Caroline Martell (cast as Lady with Pram in Human Nature)
- Gillian Martell (cast as Lilly Gregson in K-9 and Company: A Girl's Best Friend)
- Naomi Martell (cast as Receptionist in Torchwood: Day One)
- Ian Marter (cast in 33 episodes, e.g. John Andrews in Carnival Of Monsters: Episode One)
- Anna Maxwell Martin (cast in 4 episodes, e.g. Maddie Bower in Big Finish: Diary of River Song: Series 2: The Unknown)
- Astley Martin (cast as Skybase Guard in The Mutants: Episode Two)
- Bernard Martin (cast in 2 episodes, e.g. Control Room Assistant in The Ambassadors of Death: Episode 2)
- Dave Martin (cast as Villager in The Dæmons: Episode Five)
- David Martin (cast in 2 episodes, e.g. Passer in Planet of the Dead)
- Derek Martin (cast in 20 episodes, e.g. Stunt Man in The Ambassadors of Death: Episode 3)
- Eddie Martin (cast in 10 episodes, e.g. Armed Police in The Sound of Drums)
- Eve Martin (cast as Statue in The Dominators: Episode 2)
- Gary Martin (cast as Kohrbal in Big Finish: Absolute Power)
- Gerry Martin (cast in 3 episodes, e.g. Sensorite in The Sensorites: Hidden Danger)
- Harry Martin (cast as Driver in The Invasion: Episode One)
- Hugh Martin (cast in 2 episodes, e.g. Munro in Terror of the Zygons: Part One)
- Jessica Martin (cast in 10 episodes, e.g. Voice of the Queen in Voyage of the Damned)
- Jo Martin (cast in 5 episodes, e.g. Ruth Clayton in Fugitive of the Judoon)
- John Scott Martin (cast in 82 episodes, e.g. Zarbi Operator in The Web Planet: The Zarbi)
- John Martin (cast as Pianist in The Empty Child)
- Kai Martin (cast as Stunts in Tooth and Claw)
- Marina Martin (cast in 4 episodes, e.g. Drahvin One in Galaxy 4: Four Hundred Dawns)
- Michael Martin (cast in 2 episodes, e.g. Audience in The Shakespeare Code)
- Michelle Martin (cast as Neighbour in Survival: Part Three)
- Ray Martin (cast in 6 episodes, e.g. Soldier in The Caves of Androzani: Part Two)
- Raymond Martin (cast in 4 episodes, e.g. (extra) in The Curse of Fenric: Part Three)
- Ricardo Martin (cast as Technician in The Christmas Invasion)
- Richard Martin (cast in 2 episodes, e.g. (extra) in Robot: Part Three)
- Richard Martin (cast in 5 episodes, e.g. Self in Factual: Me, You and Doctor Who: a Culture Show Special)
- Ron Martin (cast as Trooper in The Awakening: Part One)
- Sally Martin (cast in 7 episodes, e.g. Minion in The Sound of Drums)
- Trevor Martin (cast in 10 episodes, e.g. Second Time Lord in The War Games: Episode Ten)
- Benito Martinez (cast as Captain Santos in Torchwood: The Blood Line)
- Dominic Martinez (cast in 2 episodes, e.g. Self defence lad in Survival: Part One)
- Valero Martinez (cast in 8 episodes, e.g. Rebel (Pluto) in The Sun Makers: Part Three)
- Francesco Martino (cast as Piero in Extremis)
- Dickie Martyn (cast as Man at Banquet in The Romans: Conspiracy)
- Stephen Marzella (cast in 2 episodes, e.g. Police Officer in Fear Her)
- Jeff Mash (cast as Grant in Day of the Moon)
- Tina Maskell (cast in 2 episodes, e.g. Margaret Blaine in Boom Town)
- Alan Mason (cast in 2 episodes, e.g. Corporal Nutting in Doctor Who And The Silurians: Episode 7)
- Andrew Mason (cast as Swimmer in Full Circle: Part One)
- Eric Mason (cast in 5 episodes, e.g. Senior Prison Officer Green in The Mind of Evil: Episode One)
- Freddie Mason (cast in 2 episodes, e.g. Stunts in The Doctor Falls)
- Joe Mason (cast in 2 episodes, e.g. Gavin in The Sarah Jane Adventures: The Empty Planet: Episode One)
- Les Mason (cast in 2 episodes, e.g. Base Guard in Dalek)
- Maureen Mason (cast in 2 episodes, e.g. Guard in Louve in City of Death: Part One)
- Oliver Mason (cast in 6 episodes, e.g. Sonny in Big Finish: Corpse Day)
- Stanley Mason (cast in 4 episodes, e.g. Bok in The Dæmons: Episode Two)
- Zachery Mason (cast as Stagehand/Tech in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Anna Massey (cast as Miss Pollard in Big Finish: The Girl Who Never Was)
- Brian Massey (cast as Tachyon Image in The Leisure Hive: Part One)
- Ian Massey (cast in 2 episodes, e.g. Punter in The Snowmen)
- Forbes Masson (cast in 4 episodes, e.g. Kindred in Big Finish: Jago & Litefoot Series 12: Picture This)
- Rahim Mastafa (cast as Hotel Porter in The Bells of Saint John)
- David Masterman (cast in 2 episodes, e.g. Guard Leader in The Seeds of Doom: Part Four)
- Christopher Masters (cast as Libri in The Ark In Space: Part Two)
- Chase Masterson (cast in 2 episodes, e.g. Vienna Salavatori in Big Finish: The Shadow Heart)
- Dennis Masuki (cast in 2 episodes, e.g. Party Guest (Enlightenmant) in Enlightenment: Part Three)
- Leon Matbank (cast as Gendarme outside Louvre in City of Death: Part Four)
- Lesley Matcham (cast as Maypole Villager in The Dæmons: Episode Four)
- Lyn Matcham (cast in 2 episodes, e.g. Maypole Villager in The Dæmons: Episode Four)
- Dibbs Mather (cast as Guard in Caravan in The Enemy of the World: Episode 5)
- Philip Mather (cast as Soldier (Thal) in Genesis of the Daleks: Part Four)
- Jonny Mathers (cast in 5 episodes, e.g. Passenger in War of The Sontarans: Flux: Chapter Two)
- Jessica Mathews (cast as Female anchor #3 in Torchwood: The New World)
- Richard Mathews (cast as Rassilon in The Five Doctors)
- Tilly Mathews (cast as Young Bridesmaid in The Runaway Bride)
- Jay Mathias (cast as Hoover Kid in Daleks in Manhattan)
- Alexandra Mathie (cast in 4 episodes, e.g. Mother McCracken in Big Finish: UNIT: Incursions: This Sleep of Death)
- Jamie Mathieson (cast in 2 episodes, e.g. Self in Factual: Doctor Who Extra: Mummy On The Orient Express)
- Dennis Matsuki (cast as Coolie in The Talons of Weng-Chiang: Part Five)
- Eleanor Matsuura (cast in 2 episodes, e.g. Jo Nakashima in The Sontaran Stratagem)
- Derek Matt (cast as Ambulanceman in Castrovalva: Part One)
- Marlow Warrington Mattel (cast as Stunt Guard in The End of Time: Part One)
- Allan Matthews (cast as Soldier (Smugglers) in The Smugglers: Episode 1)
- Bill Matthews (cast in 14 episodes, e.g. Prison Officer in The Mind of Evil: Episode One)
- Billy Matthews (cast as Cornelius in The Eaters of Light)
- Christopher Matthews (cast in 4 episodes, e.g. Radar Technician in The Tenth Planet: Episode 1)
- Darren Matthews (cast as ADR in Smith and Jones)
- Daryl Matthews (cast in 3 episodes, e.g. Paramedic in The Power Of Three)
- David Matthews (cast as Dummy in Rose)
- Griffin Matthews (cast as Young Man in Torchwood: Immortal Sins)
- Guy Matthews (cast in 4 episodes, e.g. Time Lord in The Trial of a Time Lord (The Mysterious Planet): Part One)
- James Matthews (cast as Jimmy in Stageshows: Doctor Who and the Daleks in Seven Keys To Doomsday)
- Linda Matthews (cast as Chaperones/ Passers in The Bells of Saint John)
- Linzi Matthews (cast as Judith in Big Finish: The Kingmaker)
- M J Matthews (cast in 2 episodes, e.g. Criminal in The Daleks' Master Plan: Devil's Planet)
- Martin Matthews (cast in 3 episodes, e.g. Kurster in The Androids of Tara: Part Two)
- Pat Matthews (cast in 2 episodes, e.g. Technician in Doctor Who And The Silurians: Episode 3)
- Pat Matthews (cast as Technician in Doctor Who And The Silurians: Episode 4)
- Patricia Matthews (cast in 7 episodes, e.g. Gond in The Krotons: Episode One)
- Rhys Matthews (cast as Playground in The Rings of Akhaten)
- Samara Matthews (cast as Kate Moss Customer in Time Heist)
- Sheila Matthews (cast as Zombie in The Christmas Invasion)
- Stuart Matthews (cast as Civillian UNIT Soldier in Death in Heaven)
- Ted Mattison (cast as Phil-Corp Rep in Torchwood: Dead of Night)
- Laurent Maurel (cast as Nicolas in Extremis)
- Eva Mauro (cast as Maria Candido in Torchwood: The Categories of Life)
- Micky Max (cast in 2 episodes, e.g. Tetrap/Lakertyan/Genii in Time and the Rani: Part Four)
- John Maxim (cast in 5 episodes, e.g. Frankenstein in The Chase: Journey into Terror)
- Vicki Maxine (cast as UNIT Soldier in Spearhead From Space: Episode 1)
- Mary Maxted (cast in 2 episodes, e.g. (extra) in The Talons of Weng-Chiang: Part One)
- Anna Maxwell-Martin (cast as Suki in The Long Game)
- James Maxwell (cast in 4 episodes, e.g. Jackson in Underworld: Part Two)
- Tommy Maxwell (cast as Chamberlain Man in The Shakespeare Code)
- Liz May Brice (cast in 5 episodes, e.g. Johnson in Torchwood: Children Of Earth: Day One)
- Anthony May (cast as Baron Maupertuis in Big Finish: All-Consuming Fire)
- Elsie May (cast in 4 episodes, e.g. Minion in The Sound of Drums)
- Hazel May (cast as Passer in Dark Water)
- Jack May (cast in 6 episodes, e.g. General Hermack in The Space Pirates: Episode One)
- Jason May (cast as Soco in Torchwood: Everything Changes)
- John May (cast in 2 episodes, e.g. Crowd (Ancient Troy) in The Myth Makers: Small Prophet, Quick Return)
- Phil May (cast as Drinker in The Empty Child)
- Philip May (cast as Wedding Guest (Church) in Father's Day)
- Roger May (cast in 17 episodes, e.g. Len in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Tomi May (cast as Dowell in Thin Ice)
- Leon Maybank (cast in 7 episodes, e.g. Ted in The Moonbase: Episode 1)
- Miry Mayer (cast as Passer in Dark Water)
- Nicholas Mayer (cast as Passer in Dark Water)
- Ronald Mayer (cast in 6 episodes, e.g. Coven in The Dæmons: Episode One)
- Richard Mayes (cast in 2 episodes, e.g. Chief Baxter in Fury From the Deep: Episode 1)
- Martyn Mayger (cast as UNIT Soldier in The Day of The Doctor)
- Patricia Maynard (cast in 5 episodes, e.g. Miss Winters in Robot: Part One)
- Terence Maynard (cast in 2 episodes, e.g. Madison Yorke in The Sarah Jane Adventures: Prisoner of the Judoon: Episode One)
- Belinda Mayne (cast in 3 episodes, e.g. Delta in Delta and the Bannermen: Part One)
- Andy Mayo (cast as Studio Staff in The Idiot's Lantern)
- Peter Mayock (cast in 3 episodes, e.g. Ibrahim Namin in Pyramids of Mars: Part One)
- Ronald Mayor (cast in 2 episodes, e.g. Time Lord in The Deadly Assassin: Part One)
- Daniel Mays (cast as Alex in Night Terrors)
- Gugu Mbatha-Raw (cast in 5 episodes, e.g. Tish Jones in Smith and Jones)
- Tom McAdam (cast in 2 episodes, e.g. Party Guest in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Des McAleer (cast in 2 episodes, e.g. Lefty Lonnigan in Big Finish: A Life of Crime)
- David McAlister (cast in 2 episodes, e.g. Megara Voice in The Stones of Blood: Part Three)
- Bill McAllister (cast as Slave/Prisoner in mine in The Dalek Invasion of Earth: Flashpoint)
- Nicholas McArdle (cast in 2 episodes, e.g. De Vries in The Stones of Blood: Part One)
- Christopher McArthur (cast as Ethan in Spyfall: Part One)
- Murray McArthur (cast as Hasten in The Girl Who Died)
- Nichola McAuliffe (cast in 5 episodes, e.g. Vivien Rook in The Sound of Drums)
- Pierce McAvey (cast in 4 episodes, e.g. Civil Servant in The Claws of Axos: Episode One)
- Mark McBride (cast as Van Driver in Mawdryn Undead: Part One)
- Evan McCabe (cast as Brandon in Ascension of the Cybermen)
- Sean McCabe (cast in 4 episodes, e.g. Soldier in The Caves of Androzani: Part Two)
- Tom McCabe (cast in 2 episodes, e.g. Acolyte in The Face of Evil: Part Three)
- Steve McCafferty (cast as Crone in The Next Doctor)
- Davina McCall (cast in 4 episodes, e.g. Voice of Davinadroid in Bad Wolf)
- Gareth McCall (cast as Guest in Voyage of the Damned)
- Joanne McCallin (cast as Guests (Beautiful Lady) in Voyage of the Damned)
- Joanna McCallum (cast as The Bursar in Big Finish: Night Thoughts)
- Ronnie McCann (cast as ADR in Tooth and Claw)
- Brian McCardie (cast as Alan Weir in Big Finish: Masters of Earth)
- Barry McCarth (cast as Vincent Linfoot in Big Finish: Plague of the Daleks)
- Barry McCarthy (cast in 7 episodes, e.g. Fred/Terminal in Big Finish: The Warehouse)
- Denis McCarthy (cast as Voice of Controller Rinberg in The Moonbase: Episode 2)
- Gerard McCarthy (cast in 3 episodes, e.g. Dean in Big Finish: Torchwood One: Before the Fall: New Girl)
- Henry McCarthy (cast as Dr Beavis in Spearhead From Space: Episode 2)
- Neil McCarthy (cast in 9 episodes, e.g. Barnham in The Mind of Evil: Episode One)
- Finn McCartney Hill (cast as Child in The Next Doctor)
- Paul McCartney (cast as Self in The Chase: The Executioners)
- Neil McCaul (cast as Voice of Rannus in Class: Co-Owner Of A Lonely Heart)
- Olly McCauley (cast as Edward/ The Knave in Big Finish: The Contingency Club)
- Bear McCausland (cast in 5 episodes, e.g. Steven Carter in Torchwood: Children Of Earth: Day One)
- Ben McClean (cast as Worker in The Long Game)
- Billy McCleary (cast as Blue Staff in The End Of The World)
- James McClure (cast in 2 episodes, e.g. First Officer in Enlightenment: Part One)
- Ryan McCluskey (cast as Sergeant in Dreamland)
- Billy McColl (cast in 3 episodes, e.g. Humker in The Trial of a Time Lord (The Mysterious Planet): Part Two)
- Rhys McConnochie (cast as Rod in The Enemy of the World: Episode 1)
- Don McCorkindale (cast in 2 episodes, e.g. Don Fabrizzio in Doctor Who (Miscellaneous): The Ghosts of N Space: Episode One)
- Colin McCormack (cast in 2 episodes, e.g. Commander in The Sun Makers: Part Three)
- Sanchia McCormack (cast as Housing Officer in Turn Left)
- Anton Thompson McCormick (cast in 2 episodes, e.g. Carl in The Sarah Jane Adventures: Revenge of the Slitheen: Part One)
- Adam McCoy (cast as Clive's Son in Rose)
- Sylvester McCoy (cast in 221 episodes, e.g. The Doctor in Time and the Rani: Part One)
- Jenny McCracken (cast in 4 episodes, e.g. Claire Daly in Carnival Of Monsters: Episode One)
- Della McCrae (cast in 2 episodes, e.g. Duplication Body in Resurrection of the Daleks: Part One)
- Glen McCready (cast in 43 episodes, e.g. Solvers/Abbot in Big Finish: Doom Coalition: 3: Absent Friends)
- Val McCrimmon (cast in 2 episodes, e.g. (extra) in Earthshock: Part Three)
- Helen McCrory (cast as Rosanna in The Vampires of Venice)
- Sean McCrory (cast in 2 episodes, e.g. Paramilitry in Silver Nemesis: Part One)
- Carl McCrystal (cast as McGrath in The Curse of the Black Spot)
- Ian McCulloch (cast in 3 episodes, e.g. Nilson in Warriors of the Deep: Part One)
- Keff McCulloch (cast in 2 episodes, e.g. The Lorells in Delta and the Bannermen: Part One)
- Lorna McCulloch (cast as Girl God in The Greatest Show in the Galaxy: Part Four)
- Kevin McCurdy (cast as Self in Factual: Fear Factor)
- Brian McDermott (cast in 2 episodes, e.g. Sheard in Time-Flight: Part One)
- Neil McDermott (cast as Jed in The Next Doctor)
- Pat McDermott (cast as Reveller in The Daleks' Master Plan: Volcano)
- Callum McDonald (cast as Teen 1 in Resolution)
- Casey McDonald (cast as Party Kids in The Idiot's Lantern)
- Curtis McDonald (cast as Teacher in The Caretaker)
- Fay McDonald (cast in 4 episodes, e.g. Panciking/Irate Person in Aliens of London)
- Ilona McDonald (cast in 2 episodes, e.g. Voc-Robot (D84) in Doctor Who (Miscellaneous): Dimensions In Time: Part One)
- Justin McDonald (cast as Matt in Torchwood: Day One)
- Keith McDonald (cast in 2 episodes, e.g. Rebel (Pluto) in The Sun Makers: Part Three)
- Mac McDonald (cast as Steve Ross in Big Finish: Believe)
- Naomi McDonald (cast in 2 episodes, e.g. Alex in Big Finish: Moving Target)
- Penelope McDonald (cast as Jancis in Big Finish: Excelis Decays)
- Rehanna McDonald (cast as Hazel in Big Finish: The Highest Science)
- Sandy McDonald (cast in 2 episodes, e.g. Footman in The Unicorn and the Wasp)
- Tarah McDonald (cast in 4 episodes, e.g. Vampire Girl in Stageshows: Doctor Who Live)
- Tim McDonald (cast as Press Photographer in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Mark McDonnell (cast in 23 episodes, e.g. Walter Jacobs in Big Finish: The Fearmonger)
- Sian McDowell (cast as Sandra in The Christmas Invasion)
- Ian McElhinney (cast in 2 episodes, e.g. Ko Sharmus in Ascension of the Cybermen)
- Malcolm McEnvoy (cast as Citizen in Full Circle: Part Four)
- Martin McEnvoy (cast in 3 episodes, e.g. Citizen in Full Circle: Part One)
- Maria McErlane (cast in 3 episodes, e.g. Bianca in Big Finish: The Wormery)
- Harley McEvilly (cast as Lad 1 in The Star Beast)
- Josephine McEvoy (cast in 2 episodes, e.g. Rebel (Pluto) in The Sun Makers: Part Three)
- Pierce McEvoy (cast as UNIT Soldier in Doctor Who And The Silurians: Episode 6)
- Tony McEvoy (cast in 4 episodes, e.g. Worker (Mysterious PLanet) in The Trial of a Time Lord (The Mysterious Planet): Part One)
- Tony McEwan (cast in 2 episodes, e.g. Redcoat in The War Games: Episode Two)
- Kate McEwen (cast as Jessica Allaway in Big Finish: Scavenger)
- Paul McFadden (cast in 2 episodes, e.g. Voice of the Dad in Fear Her)
- Steve McFadden (cast as Phil Mitchell in Doctor Who (Miscellaneous): Dimensions In Time: Part Two)
- Nikki McFarland (cast in 3 episodes, e.g. Crowd in The Shakespeare Code)
- Alistair McFarlane (cast in 4 episodes, e.g. IE Guard in The Invasion: Episode Three)
- Colin McFarlane (cast in 15 episodes, e.g. Host in Voyage of the Damned)
- George McFarlane (cast as Prisoner in Frontier In Space: Episode Three)
- Ian McFarlane (cast in 2 episodes, e.g. Villager (Ironbridge) in The Mark of the Rani: Part One)
- Jane McFarlane (cast in 2 episodes, e.g. Mickey in Big Finish: The Wormery)
- Jean McFarlane (cast in 2 episodes, e.g. Miss Paget in Day of the Daleks: Episode One)
- McFly (cast in 2 episodes, e.g. Self in The Sound of Drums)
- Jake McGann (cast in 6 episodes, e.g. Young Man in Big Finish: The Girl Who Never Was)
- Paul McGann (cast in 178 episodes, e.g. The Doctor in The TV Movie)
- Kim McGarrity (cast in 9 episodes, e.g. Rose Tyler in The Doctor Dances)
- Sheila McGarth (cast in 2 episodes, e.g. Guardian in The Ark: The Steel Sky)
- Ken McGarvie (cast in 9 episodes, e.g. Villager in The Time Meddler: Checkmate)
- Sara McGaughey (cast in 2 episodes, e.g. Policewoman in Torchwood: Asylum)
- Adrian McGaw (cast as Stunts in Robot Of Sherwood)
- Stanley McGeagh (cast in 3 episodes, e.g. Allen in Colony In Space: Episode Three)
- Haley McGee (cast as Dorothy Skerritt in Nikola Tesla's Night of Terror)
- Penelope McGhie (cast as Mrs Hayward in Village of the Angels: Flux: Chapter Four)
- Irene McGillan (cast as Mrs Rossiter in Night Terrors)
- Belinda McGinley (cast in 21 episodes, e.g. Stunts in Amy's Choice)
- Berlinda McGinley (cast in 2 episodes, e.g. Stunts in The Halloween Apocalypse: Flux: Chapter One)
- Marie McGonigle (cast in 4 episodes, e.g. Weeping Angel in Music: Doctor Who Prom (2013): Radio)
- Jessica McGough (cast as Chimeron Princess in Delta and the Bannermen: Part Two)
- Philip McGough (cast in 2 episodes, e.g. Sergeant Calder in Resurrection of the Daleks: Part One)
- Cath McGowan (cast in 4 episodes, e.g. Futurekind in Utopia)
- Lewis McGowan (cast as Brother in The Eaters of Light)
- Peter McGowan (cast as Soldier (UNIT) in The Green Death: Episode Four)
- Stan McGowan (cast in 4 episodes, e.g. Vardan in The Invasion of Time: Part One)
- Cath McGowen (cast as Village Dancer in Human Nature)
- Niamh McGrady (cast as Shannon in Big Finish: Interstitial)
- David McGranaghan (cast as Assistant Coach Carroll in Class: The Coach with the Dragon Tattoo)
- Charlotte McGrane (cast as Perfume Counter Worker in Closing Time)
- Jay McGrath (cast in 8 episodes, e.g. Colonist in Colony In Space: Episode Five)
- John McGrath (cast in 2 episodes, e.g. Primitive in Colony In Space: Episode Three)
- Murray McGrath (cast in 3 episodes, e.g. (extra) in Battlefield: Part Two)
- Sheelagh McGrath (cast in 2 episodes, e.g. Dancer (Colony) in The Macra Terror: Episode 1)
- Laura McGreevey (cast as Passer in Dark Water)
- Paul McGuiness (cast in 6 episodes, e.g. Drathro in The Trial of a Time Lord (The Mysterious Planet): Part Three)
- Alison McGuire (cast in 2 episodes, e.g. Plane extra in Time-Flight: Part One)
- Arthur McGuire (cast in 2 episodes, e.g. Stunt Man in The Enemy of the World: Episode 4)
- Ashley McGuire (cast as Sergeant in Big Finish: The Sixth Doctor: The Last Adventure: The Red House)
- Duane McGuire (cast in 2 episodes, e.g. Passer in Planet of the Dead)
- Gloria McGuire (cast as Freezer Centre Customer in Dragonfire: Part Three)
- Jack McGuire (cast as Madman in Vengeance on Varos: Part Two)
- Lloyd McGuire (cast in 2 episodes, e.g. Lugo in The Face of Evil: Part One)
- Steve McGuire (cast as Self in Related Items: Never Mind the Buzzcocks: The Doctor Who Special)
- Victor McGuire (cast in 4 episodes, e.g. Borton in Big Finish: The Time War - Series 2: The Lords of Terror)
- William McGuirk (cast in 4 episodes, e.g. Policeman in Terror of the Autons: Episode Three)
- Angela McHale (cast as Kay / Christophe in Big Finish: An Ideal World)
- Peter McInerney (cast as Press Journalist in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Tim McInnern (cast as Admiral Dolne in Big Finish: The Well-Mannered War)
- Lizzie McInnerny (cast as Harriet Quilp in Big Finish: The Yes Men)
- Tim McInnerny (cast in 2 episodes, e.g. Mr Halpen in Planet of the Ood)
- Neve McIntosh (cast in 36 episodes, e.g. Alaya in The Hungry Earth)
- Colin McIntyre (cast in 7 episodes, e.g. Sancroff in Big Finish: The Sirens of Time)
- Colin McIntyre (cast as Captain Balsam/King Rupert in Big Finish: Oh No It Isn't!)
- Stephanie McIver (cast as Floor Zero Crew in The Parting of the Ways)
- David McKail (cast in 2 episodes, e.g. Sergeant Kyle in The Talons of Weng-Chiang: Part One)
- Andrew McKay (cast as King Louis/Blind Maurice in Big Finish: The Church and the Crown)
- Ben McKay (cast as Bernie in Torchwood: Ghost Machine)
- Eric McKay (cast as Dalek Operator in Aaru Movies: Dr Who and the Daleks)
- Ian McKay (cast as Stunt Pirate in The Smugglers: Episode 4)
- Andy McKeane (cast in 4 episodes, e.g. Maurice Ravel in Big Finish: Jago & Litefoot Series 11: Jago and Son)
- Margaret McKechnie (cast in 4 episodes, e.g. Metabelis 3 Inhabitant in Planet of the Spiders: Part Three)
- Jamie McKee (cast as Driver in Dark Water)
- Sir Ian McKellen (cast in 2 episodes, e.g. Voice of the Snowman in The Snowmen)
- Barry McKenna (cast in 4 episodes, e.g. Orderly in Frontios: Part One)
- Liam McKenna (cast as Titus Craven in Big Finish: The Behemoth)
- T P McKenna (cast in 4 episodes, e.g. The Captain in The Greatest Show in the Galaxy: Part One)
- Mick McKenny (cast in 3 episodes, e.g. Man at Arms (Court of King John) in The King's Demons: Part Two)
- Allison McKenzie (cast in 7 episodes, e.g. Tondra/Dr Joan Dalton in Big Finish: Breaking Bubbles)
- Craig McKenzie (cast as Base Guard in Dalek)
- Diane McKenzie (cast as Hafsa in The Crusade: The Warlords)
- Julia McKenzie (cast in 9 episodes, e.g. Rachel in Big Finish: No More Lies)
- Mitzi McKenzie (cast in 6 episodes, e.g. Mrs. Martin in Colony In Space: Episode One)
- Keiko McKeown (cast as Normal Person in The Christmas Invasion)
- Abigail McKern (cast in 8 episodes, e.g. Felicia in Big Finish: The English Way of Death)
- Don McKillop (cast in 5 episodes, e.g. Bert the Landlord in The Dæmons: Episode One)
- Val McKinnon (cast as Nurse (Armageddon Factor) in The Armageddon Factor: Part One)
- Peter McKinstry (cast in 3 episodes, e.g. Cyberman in Army of Ghosts)
- Jo McLaren (cast in 6 episodes, e.g. Dead woman in Torchwood: Adam)
- Glen McLaughlan (cast in 4 episodes, e.g. Train Guard in The Trial of a Time Lord (The Mysterious Planet): Part One)
- Nigel McLaughlin (cast in 2 episodes, e.g. Citizen in Full Circle: Part Two)
- Duncan McLaurie (cast as Footman in Voyage of the Damned)
- Benjamin McLean (cast as Soldier (New/Clean) in The Doctor's Daughter)
- Jessica McLean (cast as Chamber Droid in Deep Breath)
- Suzann McLean (cast in 5 episodes, e.g. Veena Brady in Turn Left)
- James McLeod (cast in 2 episodes, e.g. Faceless Crowd in The Idiot's Lantern)
- Marsha McLeod (cast in 2 episodes, e.g. Passer in Closing Time)
- Will McLeod (cast in 2 episodes, e.g. Metalkind in The Sarah Jane Adventures: Sky: Episode One)
- Dursley McLinden (cast in 4 episodes, e.g. Sgt Mike Smith in Remembrance of the Daleks: Part Two)
- Adrian McLoughlin (cast as George in Big Finish: The Wasting)
- Pauline McLynn (cast as Mary in Eve Of The Daleks)
- Jim McManus (cast in 3 episodes, e.g. Opthalmologist in The Invisible Enemy: Part Two)
- Rove McManus (cast as Self in Factual: Whovians: The Pilot)
- Dougie McMeekin (cast in 2 episodes, e.g. Stuart in Big Finish: Black Thursday)
- Mary McMillan (cast in 3 episodes, e.g. Fish Person in The Underwater Menace: Episode 3)
- Victor Richards McMillan (cast as Police Driver (Jackson) in Planet of the Dead)
- Andre McMiller (cast as Dalek Avatar in Asylum of the Daleks)
- Tim McMullan (cast in 4 episodes, e.g. Octavian in Big Finish: Doom Coalition: 3: Absent Friends)
- Nathan McMullen (cast in 2 episodes, e.g. Wolf in Last Christmas)
- Rocky McMurray (cast as Senior guard in Torchwood: The New World)
- Kevin McNally (cast in 10 episodes, e.g. Hugo Lang in The Twin Dilemma: Part One)
- Paul McNamara (cast as Party Daleks in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Richard McNeff (cast in 2 episodes, e.g. Baker in The Dalek Invasion of Earth: The Daleks)
- Ian McNeice (cast in 19 episodes, e.g. Winston Churchill in The Beast Below)
- Olive McNeil (cast in 2 episodes, e.g. Savage in The Savages: Episode 3)
- Stuart McNiel (cast as Mentiad in The Pirate Planet: Part One)
- Matthew McNulty (cast as Adam Long in Praxeus)
- Robin McPherson (cast in 3 episodes, e.g. Crewman in Warriors' Gate: Part Two)
- Joanne McQuinn (cast as Sadie in A Town Called Mercy)
- Corinna McShane (cast as Donna Noble in The Runaway Bride)
- Michael McShane (cast in 2 episodes, e.g. Grayle in The Angels Take Manhattan)
- Michael McStay (cast in 2 episodes, e.g. Derek Moberley in The Seeds of Doom: Part One)
- Denis McTighe (cast as London extra in Doctor Who And The Silurians: Episode 6)
- Steve Mceachron (cast in 2 episodes, e.g. Space Tourist in Delta and the Bannermen: Part One)
- Holly Mcgowan Hayes (cast as Passer By in The Snowmen)
- Jennifer Mcgrath (cast as Child in The Caretaker)
- Spencer Mclaren (cast as Bronik in Big Finish: Scaredy Cat)
- Ben Mclean (cast as Mobile Phone Man in The Runaway Bride)
- Hugh Mclnally (cast as Security in The Lazarus Experiment)
- Kade Mconville (cast as Worker in The Crimson Horror)
- Ronnie Meade (cast as Man at Banquet in The Romans: Conspiracy)
- Rhiannon Meades (cast as Rachel in Big Finish: Catch-1782)
- Leslie Meadows (cast in 8 episodes, e.g. Adlon in Delta and the Bannermen: Part One)
- Mark Meadows (cast as Leon Foiret in Torchwood: Lost Souls)
- Michala Meadows (cast as Teacher in The Caretaker)
- Ceri Mears (cast in 2 episodes, e.g. ADR in The Unquiet Dead)
- Jessica Mears (cast as Crowd in The Age of Steel)
- Jessie Mears (cast as Human Dalek in Evolution of the Daleks)
- Ruari Mears (cast in 51 episodes, e.g. Cyber Leader in The Pandorica Opens)
- Alan Medcroft (cast in 4 episodes, e.g. Rich Man in The Next Doctor)
- Olwen Medi (cast as Yvonne in Torchwood: Everything Changes)
- David Medina (cast as Trooper in The Awakening: Part One)
- Frank Medrano (cast as Mr Giardano in Torchwood: Immortal Sins)
- Jason Medwin (cast as Sunroof Screamer in Torchwood: Dead of Night)
- Jillie Meers (cast in 7 episodes, e.g. Clarinda in Doctor Who (Miscellaneous): The Paradise Of Death: Episode Two)
- Sally Anne Meese (cast as Tourist at Windsor in Silver Nemesis: Part One)
- Liza Meggitt (cast as Cat Nun in New Earth)
- Fiesta Mei Lung (cast as Ru in Aliens of London)
- Bill Meilen (cast as Froyn in The Daleks' Master Plan: Counter Plot)
- Rhodri Meiler (cast as Rhodri in The Runaway Bride)
- David Melbourne (cast in 17 episodes, e.g. (extra) in Robot: Part One)
- Jerry Melbourne (cast as Maypole Villager in The Dæmons: Episode Five)
- T Melbourne (cast in 4 episodes, e.g. Tribesman in The Trial of a Time Lord (The Mysterious Planet): Part One)
- Alistair Meldrum (cast in 3 episodes, e.g. Trench Soldier in The War Games: Episode One)
- Jack Melford (cast in 2 episodes, e.g. Menelaus in The Myth Makers: Temple of Secrets)
- Michael Melia (cast in 3 episodes, e.g. Terileptil in The Visitation: Part Two)
- Lyn Melley (cast as Wholewealer in The Green Death: Episode Six)
- Harry Melling (cast as Hervey/Taker/Demi-Taker in Big Finish: The Whispering Forest)
- Michael Mello (cast as (extra) in Remembrance of the Daleks: Part Three)
- Julie Mellon (cast as Citizen in Full Circle: Part One)
- Brian Mellony (cast as Rebel in Timelash: Part Two)
- James Mellor (cast in 9 episodes, e.g. Varan in The Mutants: Episode One)
- Jamie Mellor (cast in 2 episodes, e.g. Crowd in The Shakespeare Code)
- Janine Mellor (cast as Janey in The Woman Who Fell to Earth)
- Oliver Mellor (cast in 5 episodes, e.g. Matt in Army of Ghosts)
- Giles Melville (cast in 11 episodes, e.g. Kaled Soldier in Genesis of the Daleks: Part One)
- Sophie Melville (cast in 3 episodes, e.g. Ellie March in Big Finish: Iris Wildthyme Series 3: The Iris Wildthyme Appreciation Society)
- Murray Melvin (cast in 8 episodes, e.g. Bilis Manger in Torchwood: Captain Jack Harkness)
- Carla Mendonça (cast in 8 episodes, e.g. Waltraud Raither / Imp 1 in Big Finish: Ravenous 2: Fairytale of Salzburg)
- Natalie Mendoza (cast in 2 episodes, e.g. Lolanthia in Big Finish: Absolution)
- Emma Meneses De La Oliva (cast as Passer in Closing Time)
- David Menkin (cast in 5 episodes, e.g. Brad in Big Finish: The Dollhouse)
- Frank Menzies (cast in 3 episodes, e.g. Ogron in Day of the Daleks: Episode Two)
- Tobias Menzies (cast as Lieutenant Stephashin in Cold War)
- Steven Meo (cast in 2 episodes, e.g. Pilot Kelvin in The Infinite Quest)
- Andy Merchant (cast in 2 episodes, e.g. Winston Churchill in The Wedding of River Song)
- Ikechi Mere (cast as Child in The Bells of Saint John)
- Ogechi Mere (cast as Child in The Bells of Saint John)
- John Meredith (cast as Passer in The Wedding of River Song)
- Laura Meredith (cast in 2 episodes, e.g. Technician in The Christmas Invasion)
- Lloyd Meredith (cast in 2 episodes, e.g. Passer in Deep Breath)
- Michelle Meredith (cast as Groom's Mother in The End of Time: Part Two)
- Robin Meredith (cast as Granddad in Doctor Who (Miscellaneous): Attack of the Graske)
- Stephen Meredith (cast as Technician in The Five Doctors)
- Terence Meredith (cast as Adult Civilian in The Day of The Doctor)
- William Meredith (cast as Kevin in Arachnids In The UK)
- Lucy Merley (cast as Visitor in The Power Of Three)
- Essop Merrick (cast in 3 episodes, e.g. Teacher in The Caretaker)
- Pamela Merrick (cast in 2 episodes, e.g. Wendy in The Sarah Jane Adventures: Revenge of the Slitheen: Part One)
- Patricia Merrick (cast as Hilda Rowse in Planet of Giants: The Urge To Live (Reconstruction))
- Will Merrick (cast as Brains in Nightmare in Silver)
- Essop Merrik (cast as UNIT Soldier in Death in Heaven)
- Clive Merrison (cast in 8 episodes, e.g. Jim Callum in The Tomb of the Cybermen: Episode 1)
- Charlotte Merrry (cast as ADR in The Unquiet Dead)
- Sarah Merry (cast as Chorus Girl in Daleks in Manhattan)
- Zienia Merton (cast in 9 episodes, e.g. Ping-Cho in Marco Polo: The Roof of the World)
- William Mervyn (cast in 4 episodes, e.g. Sir Charles Summer in The War Machines: Episode 1)
- Ted Merwood (cast as Dancer (Colony) in The Macra Terror: Episode 1)
- Peter Messaline (cast in 4 episodes, e.g. Dalek Voice in Day of the Daleks: Episode One)
- Nicola Methven (cast as Self in Factual: A New Dimension)
- Narinder Metters (cast in 2 episodes, e.g. ISA Worker in Dinosaurs on a Spaceship)
- Rachel Metters (cast as Child in The Caretaker)
- Darron Meyer (cast as Seesay in Spyfall: Part One)
- Azhar Miah (cast in 5 episodes, e.g. ISA Worker in Dinosaurs on a Spaceship)
- Dilu Miah (cast as Goblin in The Church On Ruby Road)
- Simon Michael-Morgan (cast in 3 episodes, e.g. Mr Snell in Human Nature)
- Ralph Michael (cast in 2 episodes, e.g. Balaton in The Pirate Planet: Part One)
- Richard Michael (cast in 2 episodes, e.g. Dignitary in Robot Of Sherwood)
- Sinead Michael (cast in 6 episodes, e.g. Sky in The Sarah Jane Adventures: Sky: Episode One)
- Wayne Michaels (cast as Stunts in Survival: Part One)
- Dana Miche (cast in 3 episodes, e.g. Marine/Guard in Warriors of the Deep: Part One)
- Marina Michel (cast in 2 episodes, e.g. Tourist/Londoner in The Bells of Saint John)
- Andrew Michell (cast in 5 episodes, e.g. Policeman in The Sound of Drums)
- Juliet Michellat (cast as Soldier in The Doctor's Daughter)
- Chris Michelle (cast in 2 episodes, e.g. Gundan in Warriors' Gate: Part Three)
- Daisy Michie (cast in 2 episodes, e.g. Vampire Girl in Music: Doctor Who Prom (2013): Radio)
- Dana Michie (cast as Prisoner in Frontier In Space: Episode Three)
- Mark Middler (cast in 4 episodes, e.g. Pangol Army in The Leisure Hive: Part Four)
- Bryn Middleton (cast in 2 episodes, e.g. Public in Human Nature)
- Guy Middleton (cast as Colonel Attwood in The Highlanders: Episode 4)
- Isobel Middleton (cast as Almak in Demons Of The Punjab)
- Roger Middleton (cast as Mentiad in The Pirate Planet: Part One)
- Sam Midgley (cast as Worker in The Sontaran Stratagem)
- Ian Midlane (cast in 2 episodes, e.g. Jeffery in The Sarah Jane Adventures: Revenge of the Slitheen: Part Two)
- Mark Midler (cast as Foster in The Keeper of Traken: Part Four)
- Alex Midwood (cast as Joshua McAvoy in Forest of the Dead)
- Naomi Mighty (cast as School Child in In The Forest Of The Night)
- Aleksander Mikic (cast in 2 episodes, e.g. Yuri Kerenski in The Waters of Mars)
- Patrick Milber (cast as Antarctica Marine in The Seeds of Doom: Part Three)
- Nigel Miles-Thomas (cast in 2 episodes, e.g. Pudovkin in Dragonfire: Part One)
- Geraint Wyn Miles (cast as Audience in The Sound of Drums)
- Hollie Miles (cast as Girl in The God Complex)
- Jessica Miles (cast as Child Villager in The Time of the Doctor)
- Morgan Miles (cast in 2 episodes, e.g. Child in Closing Time)
- Pamela Miles (cast as Bailey in Big Finish: Flip-Flop)
- Peter Miles (cast in 3 episodes, e.g. Stunts in Tooth and Claw)
- Peter Miles (cast in 30 episodes, e.g. Professor Whitaker in Invasion of the Dinosaurs: Part Two)
- Purdey Miles (cast as Passer in The Wedding of River Song)
- Rhodri Miles (cast as Billy Davis in Torchwood: Reset)
- Rosanna Miles (cast in 13 episodes, e.g. Marjorie in Big Finish: Recorded Time)
- Tony Millan (cast in 6 episodes, e.g. Procopius in Big Finish: The Secret History)
- Deborah Millar (cast in 3 episodes, e.g. Shelterer in The Enemy of the World: Episode 4)
- Ray Millar (cast in 2 episodes, e.g. Draconian in Frontier In Space: Episode Two)
- Sophie Miller-Sheen (cast as Girl in The Snowmen)
- Ben Miller (cast in 2 episodes, e.g. Sheriff in Robot Of Sherwood)
- Billy Miller (cast in 4 episodes, e.g. Narthex / Captain Kabe in Big Finish: Primeval)
- Brandon Miller (cast in 2 episodes, e.g. Alf in The Empty Child)
- Brian Miller (cast in 14 episodes, e.g. Dugdale in Snakedance: Part One)
- Christopher Miller (cast as Passer in The End of Time: Part One)
- Colin Miller (cast as Sline in Stageshows: The Curse Of The Daleks)
- David Miller (cast in 2 episodes, e.g. Cyberman in Doctor Who (Miscellaneous): Dimensions In Time: Part One)
- Francesca Miller (cast in 2 episodes, e.g. Andrea in The Sarah Jane Adventures: Whatever Happened to Sarah Jane?: Part One)
- George Miller (cast in 3 episodes, e.g. Bandit (Chloris) in The Creature from the Pit: Part Four)
- Jeff Miller (cast in 2 episodes, e.g. (extra) in World War Three)
- Jonathan Miller (cast in 2 episodes, e.g. Kinda (Child) in Kinda: Part Three)
- Martin Miller (cast in 2 episodes, e.g. Kublai Khan in Marco Polo: Mighty Kublai Khan)
- Michael Miller (cast in 4 episodes, e.g. Wulnoth in The Time Meddler: The Watcher)
- Paul Miller (cast in 4 episodes, e.g. Clown in The Greatest Show in the Galaxy: Part One)
- Poppy Miller (cast in 2 episodes, e.g. Madame LaChappelle in Big Finish: Conflicts of Interest: Friendly Fire)
- Posy Miller (cast as Sister Jolene in Big Finish: Excelis Dawns)
- Sadie Miller (cast in 7 episodes, e.g. Natalie Redfern in Big Finish: Comeback)
- Sally Miller (cast as Hostage in The Stolen Earth)
- Steven Miller (cast in 4 episodes, e.g. Arthur Conan Doyle/Soldier in Big Finish: Jago & Litefoot Series 07: The Monstrous Menagerie)
- T'Nia Miller (cast as The General in Hell Bent)
- lili Miller (cast as Mary Woolstonecroft Godwin in The Haunting Of Villa Diodati)
- Jane Milligan (cast as Hannah Glass in Big Finish: The Worst Thing in the World)
- Stuart Milligan (cast in 13 episodes, e.g. President Richard Nixon in The Impossible Astronaut)
- Tom Milligan (cast as Gregory Lord in Big Finish: Warlock's Cross)
- Adrian Mills (cast in 4 episodes, e.g. Aris in Kinda: Part One)
- Beverly Mills (cast as Estate Resident in The Christmas Invasion)
- Bob Mills (cast in 4 episodes, e.g. Lon's Bodyguard in Snakedance: Part One)
- Callum Witney Mills (cast as Asam in Big Finish: Mission to Magnus)
- Dick Mills (cast in 3 episodes, e.g. Self in Related Items: The One Show: Doctor Who Special)
- Eric Mills (cast in 2 episodes, e.g. Paris Citizen in The Massacre: Priest of Death)
- Frank Mills (cast as Radio Telescope Director in Terror of the Autons: Episode One)
- Juliet Mills (cast as Miss Carew in Torchwood: The Devil and Miss Carew)
- Kay-D Mills (cast in 3 episodes, e.g. British Soldier in The Sound of Drums)
- Madeleine Mills (cast in 4 episodes, e.g. Vana in The Krotons: Episode One)
- Mike Mills (cast as Crowd in The Age of Steel)
- Mykel Mills (cast in 9 episodes, e.g. Citizen in Full Circle: Part One)
- Ron Mills (cast as (extra) in World War Three)
- Royce Mills (cast in 7 episodes, e.g. Dalek Voice in Resurrection of the Daleks: Part One)
- Joseph Millson (cast in 12 episodes, e.g. Alan Jackson in The Sarah Jane Adventures: Invasion of the Bane)
- Charlie Millward (cast in 2 episodes, e.g. Guest in Black Orchid: Part One)
- Perry Millward (cast as Jacob in The Sarah Jane Adventures: The Mark of the Berserker: Episode One)
- Wendy Millward (cast in 4 episodes, e.g. Alphan Woman in The Trial of a Time Lord (Mindwarp): Part Eight)
- Gareth Milne (cast in 3 episodes, e.g. The Doctor in The Caves of Androzani: Part Four)
- Roma Milne (cast as Freedom Fighter in The Dalek Invasion of Earth: Day of Reckoning)
- Ruth Milne (cast as Flora in Tooth and Claw)
- Gareth Milner (cast in 2 episodes, e.g. George Cranleigh in Black Orchid: Part One)
- Gary Milner (cast as Scared Man in The Stolen Earth)
- John Milner (cast in 3 episodes, e.g. Theatre Audience in The Talons of Weng-Chiang: Part Four)
- Pat Milner (cast in 2 episodes, e.g. UNIT Soldier in Jeep in Invasion of the Dinosaurs: Part One)
- Patrick Milner (cast in 12 episodes, e.g. Foot Soldier in The War Games: Episode Three)
- Roger Milner (cast as Anicca in Kinda: Part One)
- Sylvia Milner (cast as Theatre Audience in The Talons of Weng-Chiang: Part Four)
- Tim Milsom (cast in 2 episodes, e.g. Work Party - Telos in Attack of the Cybermen: Part One)
- Charles Milward (cast in 2 episodes, e.g. Time Lord in The Five Doctors)
- Ray Mimins (cast in 2 episodes, e.g. Collinson's Man in The Ambassadors of Death: Episode 1)
- Brian Minchin (cast as Self in Factual: InnerSpace Presents: Doctor Who)
- Louise Minchin (cast in 5 episodes, e.g. Newsreader in Torchwood: Children Of Earth: Day One)
- Daniel Ming (cast as Chinese Newsreader in The Sound of Drums)
- Roger Minnis (cast as Axon Man in The Claws of Axos: Episode One)
- Roger Minnis (cast in 5 episodes, e.g. Axon in The Claws of Axos: Episode Three)
- Kylie Minogue (cast in 2 episodes, e.g. Astrid in Voyage of the Damned)
- Hilary Minster (cast in 2 episodes, e.g. Marat in Planet of the Daleks: Episode Three)
- Eugene Mirman (cast as Self in Factual: The Women of Doctor Who)
- Oleg Mirochnikov (cast as Alexi Korolev in Big Finish: Singularity)
- Rakesh Mistry (cast as Minister in The Sound of Drums)
- Anna Mitcham (cast in 2 episodes, e.g. Jan in Big Finish: The Dispossessed)
- Andrew Mitchel (cast as Sycorax in The Christmas Invasion)
- Alan Mitchell (cast as Wagstaffe in Spearhead From Space: Episode 1)
- Andrew Mitchell (cast in 2 episodes, e.g. Base Guard in Dalek)
- Bill Mitchell (cast in 2 episodes, e.g. Newscaster in Frontier In Space: Episode Six)
- Charles Mitchell (cast as Soldier (Smugglers) in The Smugglers: Episode 1)
- David Mitchell (cast as Robot 1 Voice in Dinosaurs on a Spaceship)
- Dean Mitchell (cast as Crowd in Smith and Jones)
- Justine Mitchell (cast as Lucy Martin in Big Finish: Seasons of Fear)
- Leroy Mitchell (cast in 4 episodes, e.g. Slave in Destiny of the Daleks: Episode Three)
- Llyn Mitchell (cast as (extra) in World War Three)
- Nikita Mitchell (cast as Stunts in The Church On Ruby Road)
- Norman Mitchell (cast as First Policeman in The Daleks' Master Plan: The Feast of Steven)
- Scott Mitchell (cast in 3 episodes, e.g. Cyberman in Silver Nemesis: Part One)
- Sid Mitchell (cast as Pickens in Big Finish: The Haunting of Thomas Brewster)
- Troy Mitchell (cast in 2 episodes, e.g. Space Tourist in Delta and the Bannermen: Part One)
- Richard Mitchley (cast in 3 episodes, e.g. Arrex in Delta and the Bannermen: Part Two)
- Dave Mitty (cast in 2 episodes, e.g. Party Guest in K-9 and Company: A Girl's Best Friend)
- Daisuke Miura (cast as Café Customer in Death in Heaven)
- Dave Mobey (cast as UNIT Soldier in Spearhead From Space: Episode 1)
- Suzanne Mockler (cast as Ijayna in Stageshows: The Curse Of The Daleks)
- Terry Mockler (cast as Audience in The Shakespeare Code)
- Alexandra Moen (cast in 3 episodes, e.g. Lucy Saxon in The Sound of Drums)
- Steven Moffat (cast in 71 episodes, e.g. Self in Factual: The Science of Doctor Who)
- Peter Moffatt (cast as Tourist at Windsor in Silver Nemesis: Part One)
- Georgia Moffett (cast in 8 episodes, e.g. Jenny in The Doctor's Daughter)
- Jessica Mogridge (cast as Sarah Jane Smith in The Sarah Jane Adventures: The Day of the Clown: Episode Two)
- Jason Mohammad (cast in 10 episodes, e.g. Newsreader in The Christmas Invasion)
- Saleh Mohammed (cast as Tourist/Londoner in The Bells of Saint John)
- Neet Mohan (cast as Chopra in Sleep No More)
- Dominique Moher (cast as Browning in Spyfall: Part One)
- Anjli Mohindra (cast in 63 episodes, e.g. Rani Chandra in The Sarah Jane Adventures: The Eternity Trap: Episode One)
- Suzanne Mole (cast as Chorus Girl in Daleks in Manhattan)
- Pablo Moles (cast as Party Guest in Rise of the Cybermen)
- Cheryl Molineaux (cast in 2 episodes, e.g. Miss Rutherford in The Ambassadors of Death: Episode 1)
- Suzi Mollett (cast in 2 episodes, e.g. (extra) in The Curse of Fenric: Part One)
- Pascal Molliere (cast in 2 episodes, e.g. Audience in The Shakespeare Code)
- Terry Mollo (cast as Quadrigger Stoyn in Big Finish: The Dying Light)
- Terry Molloy (cast in 38 episodes, e.g. Davros in Resurrection of the Daleks: Part One)
- Conor Moloney (cast in 11 episodes, e.g. Dawson in Doctor Who (Miscellaneous): Scream of the Shalka: Episode One)
- Robert Moloney (cast in 26 episodes, e.g. Professor Alistair Gryffen in K-9: Regeneration)
- Anthony Molton (cast as PC in The Christmas Invasion)
- Charles Molton (cast as Rebel (Pluto) in The Sun Makers: Part Four)
- Laura Molyneaux (cast in 4 episodes, e.g. Isabel Stanford in Big Finish: Dark Eyes: 1: The Great War)
- Laura Molyneux (cast in 3 episodes, e.g. Anne Boleyn in Big Finish: Recorded Time)
- Jack Monaghan (cast as Dunne/ Selfdrive in Big Finish: The High Price Of Parking)
- Bernard Monast (cast in 6 episodes, e.g. Guard in State of Decay: Part One)
- Fernando Monast (cast in 4 episodes, e.g. Colonist in Frontios: Part One)
- Mark Monero (cast as Pedro in Flesh and Stone)
- Monika (cast as Prisoner in Frontier In Space: Episode Three)
- Conrad Monk (cast as Assistant Director in The Daleks' Master Plan: The Feast of Steven)
- Bill Monks (cast in 2 episodes, e.g. Robot in The Time Warrior: Part Two)
- Joanna Monro (cast in 7 episodes, e.g. Rega in Planet of the Spiders: Part Three)
- Terry Monro (cast as Alien Technician in The War Games: Episode Three)
- Fernand Monsat (cast as Scientist (Two Doctors) in The Two Doctors: Part One)
- Kwabena Monso (cast in 2 episodes, e.g. Attendent in Vengeance on Varos: Part One)
- Bruce Montagu (cast as Grash in Big Finish: Sword of Orion)
- Bruce Montague (cast as Chief Librarian Elgin in Big Finish: The Genocide Machine)
- Roy Montague (cast in 4 episodes, e.g. Guide in The Leisure Hive: Part One)
- Joe Montana (cast in 2 episodes, e.g. Commander in Dalek)
- Gabriella Montaraz (cast in 2 episodes, e.g. Vampire Girl in The Vampires of Venice)
- Clive Monteal (cast as Maypole Villager in The Dæmons: Episode Five)
- Eden Monteath (cast in 5 episodes, e.g. Child 1 in The Eleventh Hour)
- Merin Monteath (cast as Child 2 in The Eleventh Hour)
- Angelica Montesano (cast as Girl in Crowd in Torchwood: Immortal Sins)
- Isaac Stephen Montgomery (cast as Stern Soldier in Torchwood: The Middle Men)
- Jack Montgomery (cast as Young Jack in Torchwood: Adam)
- John Montgomery (cast in 4 episodes, e.g. Acanthus in Big Finish: Epoch: The Kraken's Lament)
- Lucy Montgomery (cast as Professor Johnson in Torchwood: Lost Souls)
- Lee Montgomony (cast in 2 episodes, e.g. Lazar in Terminus: Part Two)
- Tanya Moodie (cast in 8 episodes, e.g. Marathanga in Big Finish: Ravenous 3: Deeptime Frontier)
- Isla Moody (cast in 2 episodes, e.g. Weeping Angel in Village of the Angels: Flux: Chapter Four)
- Ron Moody (cast as The Duke of Wellington in Big Finish: Other Lives)
- Georgina Moon (cast as Mrs Middlemint in Big Finish: The Behemoth)
- Johanna Moon (cast as Crowd in The Age of Steel)
- Lee Moone (cast in 3 episodes, e.g. Ferras in Big Finish: Embrace the Darkness)
- Leena Mooneeram (cast in 2 episodes, e.g. Peasant in Robot Of Sherwood)
- Nell Mooney (cast as Professor Lisa Zetterling in Big Finish: Shield Of The Jötunn)
- Michael Moor (cast as London extra in Doctor Who And The Silurians: Episode 6)
- Adam Moore (cast in 2 episodes, e.g. Passer By in Utopia)
- Albert Moore (cast as Detective in Louvre in City of Death: Part Three)
- Becky Moore (cast as Young Mum in Fear Her)
- Christine Moore (cast as Winnie in Big Finish: The Vanity Box)
- Emily Moore (cast in 3 episodes, e.g. Tanya in The Sound of Drums)
- John H Moore (cast as Aztec in The Aztecs: The Temple of Evil)
- John Moore (cast in 5 episodes, e.g. Vanderlyn in Stageshows: The Curse Of The Daleks)
- Kenton Moore (cast in 3 episodes, e.g. Noah in The Ark In Space: Part Two)
- Melissa Moore (cast as Singer in Torchwood: Captain Jack Harkness)
- Michael Moore (cast in 7 episodes, e.g. Villager in The Dæmons: Episode Three)
- Sir Patrick Moore (cast in 2 episodes, e.g. Self in The Eleventh Hour)
- Phillip Moore (cast as Rabble in The Romans: Inferno)
- Robyn Moore (cast in 24 episodes, e.g. June Turner in K-9: Regeneration: The Korven)
- Simon Moore (cast as Private Gerhard Flur in Big Finish: Just War)
- Stephen Moore (cast in 3 episodes, e.g. Eldane in Cold Blood)
- Wanda Moore (cast in 5 episodes, e.g. Dr. Ruth Ingram in The Time Monster: Episode One)
- Brian Moorhead (cast in 9 episodes, e.g. Guard in State of Decay: Part Three)
- Marianna Moors (cast as Daniel' Mum in Turn Left)
- Hattie Morahan (cast in 32 episodes, e.g. Helen Sinclair in Big Finish: Doom Coalition: 1: The Eleven)
- Natalie Morales (cast in 2 episodes, e.g. Self in Factual: The Women of Doctor Who)
- Kevin Moran (cast in 14 episodes, e.g. Draconian in Frontier In Space: Episode Two)
- Kitty Moran (cast as Female Scientist Passenger in Mummy On The Orient Express)
- Rachael Moran (cast as Estate Resident in The Christmas Invasion)
- Sylvester Morand (cast as General Alexander Bruce in Big Finish: The Roof of the World)
- Jainaba Morang (cast as School Child in In The Forest Of The Night)
- Jim Moray (cast as Folk Musician in Class: The Lost)
- David Mordecai (cast as Passer in Turn Left)
- Carl More (cast as Gundan in Warriors' Gate: Part Two)
- André Morell (cast in 3 episodes, e.g. Marshal Tavannes in The Massacre: The Sea Beggar)
- Jason Morell (cast as Vicar in The Next Doctor)
- Louise Morell (cast as Miriam in Big Finish: Walking to Babylon)
- Juan Moreno (cast as Dobson in The Ambassadors of Death: Episode 2)
- Darren Morfitt (cast in 2 episodes, e.g. Marco in The Time of Angels)
- Liz Morga (cast as Mrs Hurley/Sister in Big Finish: The Peterloo Massacre)
- Andrew Morgan John (cast in 2 episodes, e.g. Journo in The Christmas Invasion)
- Ellie Rose Morgan Pirie (cast as Child in Closing Time)
- Andrew Morgan-Evans (cast as Monk in Tooth and Claw)
- Sophie Morgan-Price (cast in 2 episodes, e.g. Time Lord in The Day of The Doctor)
- Adele Morgan (cast as Shopper in The Christmas Invasion)
- Aleta Morgan (cast in 6 episodes, e.g. Refugee in Utopia)
- Alex Morgan (cast as Passer-By in Father's Day)
- Alfred Morgan (cast as Rabble in The Romans: Inferno)
- Amber Morgan (cast in 2 episodes, e.g. Lunchbox Child in The Wedding of River Song)
- Andrew Morgan (cast in 3 episodes, e.g. Tourist at Windsor in Silver Nemesis: Part One)
- Brian Morgan (cast in 3 episodes, e.g. Base Guard in Dalek)
- Champa Morgan (cast in 2 episodes, e.g. ISA Worker in Dinosaurs on a Spaceship)
- Charles Morgan (cast in 8 episodes, e.g. Songsten in The Abominable Snowmen: Episode Two)
- Colin Morgan (cast as Jethro Cane in Midnight)
- Dan Morgan (cast in 2 episodes, e.g. Locke in The Infinite Quest)
- Dennis Morgan (cast in 2 episodes, e.g. Crowd in The Shakespeare Code)
- Diane Morgan (cast as Gabby Finch in Big Finish: Classic Doctors, New Monsters (Volume One): Fallen Angels)
- Dylan Morgan (cast as Adipose Worker in Partners in Crime)
- Elin Morgan (cast as Customers in The End of Time: Part Two)
- Elizabeth Morgan (cast in 2 episodes, e.g. Weeping Woman Time Lord in The End of Time: Part One)
- Emily Morgan (cast as Child in The Stolen Earth)
- Erin Morgan (cast as Pond Hand in The Snowmen)
- Francine Morgan (cast as Stressed Woman in Torchwood: The Categories of Life)
- Geoffrey Morgan (cast in 4 episodes, e.g. Wholewealer in The Green Death: Episode Two)
- Gerard Morgan (cast in 4 episodes, e.g. Policeman in The Sound of Drums)
- Hywel Morgan (cast in 22 episodes, e.g. Nick Kenton/Jack Laser in Big Finish: The Fourth Wall)
- Jared Morgan (cast in 4 episodes, e.g. Bannerman in Delta and the Bannermen: Part One)
- Jeff Morgan (cast as Passer-By in Father's Day)
- Joanne Morgan (cast as Adipose Worker in Partners in Crime)
- John P Morgan (cast as Party Guest in Rise of the Cybermen)
- John Morgan (cast as Peasant in Robot Of Sherwood)
- KR Morgan (cast as Dr. Who in The Enemy of the World: Episode 1)
- Keely Morgan (cast as Child in The Next Doctor)
- Laura Morgan (cast in 3 episodes, e.g. Flight attendant in Torchwood: The New World)
- Leighton Morgan (cast as Shopper in The Christmas Invasion)
- Lindsey Morgan (cast in 4 episodes, e.g. Tourist/Londoner in The Bells of Saint John)
- Louis Morgan (cast as Child in The Stolen Earth)
- Matthew J Morgan (cast as Tutmosis in Big Finish: The Triumph of Sutekh: The Eye of Horus)
- Paul Morgan (cast as Passenger/Passerby in Boom Town)
- Ramone Morgan (cast as Tobias in The Caretaker)
- Richard Morgan (cast as Passer in The Wedding of River Song)
- Richardson Morgan (cast in 5 episodes, e.g. Corporal Blake in The Web of Fear: Episode 1)
- Shane Morgan (cast as Normal Teacher in School Reunion)
- Sharon Morgan (cast in 7 episodes, e.g. Mary Cooper in Torchwood: Something Borrowed)
- Shirley Morgan (cast as Villager in The Awakening: Part Two)
- Simon Morgan (cast as Child in The Next Doctor)
- Stephen Morgan (cast in 2 episodes, e.g. Punter in The Snowmen)
- Steve Morgan (cast as Base Guard in Dalek)
- Susan Morgan (cast in 3 episodes, e.g. Crowd in Rise of the Cybermen)
- Naoko Mori (cast in 34 episodes, e.g. Toshiko Sato in Aliens of London)
- Kyoko Morita (cast as Japanese Girl in Army of Ghosts)
- Donald Morley (cast in 4 episodes, e.g. Jules Renan in The Reign Of Terror: A Change of Identity)
- Steve Morley (cast as Walters in Earthshock: Part One)
- John Morosini-Whelan (cast as Cyberman in Factual: 30 Years In The TARDIS)
- Caroline Morri (cast as Erimem in Big Finish: The Mind's Eye)
- Lola Morrice (cast as Waxworks Visitor / Auton Replica in Spearhead From Space: Episode 4)
- Emyr Morris-Jones (cast as Cyberman in The Five Doctors)
- Andy Morris (cast as Base Guard in Dalek)
- Carlton Morris (cast in 2 episodes, e.g. Aboriginal Dancer in Four To Doomsday: Part Two)
- Caroline Morris (cast in 13 episodes, e.g. Erimem in Big Finish: The Eye of the Scorpion)
- Catherine Morris (cast as Nurse in Torchwood: Fragments)
- Clinton Morris (cast in 15 episodes, e.g. Presidential Guard in Frontier In Space: Episode Two)
- David Morris (cast in 5 episodes, e.g. Solider in Human Nature)
- Geoffrey Morris (cast in 3 episodes, e.g. Sabor in Planet of the Spiders: Part Three)
- Hayley Morris (cast as Dignitary/Journo/ Waitress in Boom Town)
- Hilary Morris (cast in 3 episodes, e.g. Patient in The Empty Child)
- Jacqueline Morris (cast in 4 episodes, e.g. Diner in Rose)
- Jim Morris (cast in 4 episodes, e.g. Businessman in Time-Flight: Part One)
- Jimmy Morris (cast in 2 episodes, e.g. Self defence lad in Survival: Part One)
- Johnathon Morris (cast in 3 episodes, e.g. Chela in Snakedance: Part Two)
- Les Morris (cast as Soldier in Aliens of London)
- Lisa Morris (cast in 2 episodes, e.g. Journalists in The End of Time: Part One)
- Lucas Elliot Morris (cast as Alfie in Closing Time)
- Mary Morris (cast in 3 episodes, e.g. Panna in Kinda: Part Two)
- Maureen Morris (cast in 6 episodes, e.g. Spider Voice in Planet of the Spiders: Part Three)
- Michelle Morris (cast in 3 episodes, e.g. School Secretary in Into the Dalek)
- Olivia Morris (cast in 4 episodes, e.g. Green in Big Finish: Seventh Doctor New Adventures: Volume 1: The Trial of a Time Machine)
- Philip Morris (cast as Self in Factual: Doctor Who - The Lost Episodes)
- Rendle Morris (cast as Villager in The Green Death: Episode One)
- Sabrina Morris (cast in 5 episodes, e.g. Worker in The Long Game)
- Siwan Morris (cast as Maebh's Mum in In The Forest Of The Night)
- Thomas Morris (cast as Child in The Day of The Doctor)
- William Morris (cast as Alfie in Closing Time)
- Wolfe Morris (cast in 5 episodes, e.g. Padmasambhava in The Abominable Snowmen: Episode Two)
- Zoe Marie Morris (cast in 2 episodes, e.g. Teenager Mother in Father's Day)
- Zoe Morris (cast as Visitor in Smith and Jones)
- Chris Morrison (cast in 5 episodes, e.g. Stunts in Resolution)
- Diana Morrison (cast as Antonia Bailey/Jane in Big Finish: The Condemned)
- Glenna Morrison (cast in 2 episodes, e.g. ADR in Tooth and Claw)
- Jamie Morrison (cast as Cleric in A Good Man Goes to War)
- David Morrissey (cast in 4 episodes, e.g. Jackson Lake in The Next Doctor)
- Okezie Morro (cast in 4 episodes, e.g. Norvid in Big Finish: The Time War: The Starship of Theseus)
- Mary Morse-Boycott (cast in 2 episodes, e.g. Lady in Waiting (Court of King John) in The King's Demons: Part One)
- Ralph Morse (cast as Foster in The Keeper of Traken: Part One)
- Catherine Morshead (cast as Self in Factual: Extra Time)
- Melanie Mort (cast as Blonde Mother in Rose)
- Natascha Mortee (cast in 2 episodes, e.g. Cyberman in Rise of the Cybermen)
- Kieran Mortell (cast in 2 episodes, e.g. Party Guest in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Harrison Mortimer (cast as Baby Melody in A Good Man Goes to War)
- Maddrson Mortimer (cast as Baby Melody in A Good Man Goes to War)
- Alan Morton (cast as Security Guard in Planet of the Dead)
- Charlie Morton (cast as Reev in Big Finish: The Rani Elite)
- Clive Morton (cast in 4 episodes, e.g. Trenchard in The Sea Devils: Episode One)
- Elizabeth Morton (cast as Teldak in Big Finish: The Waters of Amsterdam)
- Hugh Morton (cast as Sir James Gregson in The Seeds of Death: Episode Five)
- Peter Morton (cast as Slave/Prisoner in mine in The Dalek Invasion of Earth: Flashpoint)
- Molly Moruzzi (cast in 2 episodes, e.g. Student in The Sontaran Stratagem)
- Albert Moses (cast in 4 episodes, e.g. Ship's Crew in Carnival Of Monsters: Episode One)
- Beatrix Mosey (cast as Child in The Caretaker)
- Bryan Mosley (cast in 2 episodes, e.g. Prop Man in The Daleks' Master Plan: The Feast of Steven)
- Christopher Mosque (cast in 2 episodes, e.g. Tetrap/Lakertyan/Genii in Time and the Rani: Part Four)
- Anthony Moss (cast as (extra) in Battlefield: Part Four)
- Antonia Moss (cast in 3 episodes, e.g. Tribe of Gum in An Unearthly Child: The Cave of Skulls)
- Bill Moss (cast in 4 episodes, e.g. Roboman in The Dalek Invasion of Earth: The Daleks)
- Derek Moss (cast in 2 episodes, e.g. Shada Prisoner in Shada: Part Six)
- Julie Moss (cast as Tribe of Gum in An Unearthly Child: The Cave of Skulls)
- Miles Moss (cast as Eternal (Buccaneer) in Enlightenment: Part Four)
- Meg Mossemenear (cast in 2 episodes, e.g. Millennium Alien in The Rings of Akhaten)
- Natascha Motee (cast in 8 episodes, e.g. Passer By in The Sound of Drums)
- Greg Mothersdale (cast as Ambassadors in The End Of The World)
- Ernest Mothle (cast as Jazz Quartet Member in Silver Nemesis: Part One)
- Natasha Mottee (cast in 2 episodes, e.g. Faceless Crowd in The Idiot's Lantern)
- Peter Von Motz (cast as Verity's Guests in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Emily Moulding (cast as Horse Wrangler in The Next Doctor)
- Richard Moulding (cast as Horse Wrangler in The Next Doctor)
- Lee Moulds (cast as 1st AD in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Anthony Moulton (cast in 6 episodes, e.g. Policeman in The Sound of Drums)
- Edmond Moulton (cast as Adam in The Almost People)
- Katherine Mount (cast as Barbara Wright in Planet of Giants: The Urge To Live (Reconstruction))
- Peggy Mount (cast in 2 episodes, e.g. Stallslady in The Greatest Show in the Galaxy: Part One)
- Sarah Mowat (cast in 25 episodes, e.g. Knight Commander Lyena in Big Finish: The Sirens of Time)
- Gabrielle Mowbray (cast in 4 episodes, e.g. Sister in The Brain of Morbius: Part One)
- John Moyce (cast as Crowd (Ancient Troy) in The Myth Makers: Small Prophet, Quick Return)
- John Moycs (cast in 2 episodes, e.g. Slave Guardian in The Ark: The Return)
- Lucian Msamati (cast as Guido in The Vampires of Venice)
- Carole Mudie (cast in 3 episodes, e.g. Happiness Patrol in The Happiness Patrol: Part One)
- Gavin Muir (cast in 4 episodes, e.g. Barone in Doctor Who (Miscellaneous): The Ghosts of N Space: Episode Four)
- James Muir (cast in 36 episodes, e.g. Krarg in Shada: Part Six)
- Lynsey Muir (cast in 3 episodes, e.g. Faceless Crowd in The Idiot's Lantern)
- Jodi Mulcahy (cast as Patient in New Earth)
- Michael Mulcaster (cast in 3 episodes, e.g. Highlander in The Highlanders: Episode 2)
- Oakwell Muldoon (cast in 3 episodes, e.g. Shopper in The Christmas Invasion)
- Amanda Mulford (cast in 2 episodes, e.g. Worker in The Crimson Horror)
- Ricardo Mulhall (cast in 3 episodes, e.g. Tetrap/Lakertyan/Genii in Time and the Rani: Part Three)
- Declan Mulholland (cast in 5 episodes, e.g. Clark in The Sea Devils: Episode One)
- James Mull (cast as Detective in Louvre in City of Death: Part Three)
- Virginia Mull (cast in 2 episodes, e.g. Serving Girl in The Time Monster: Episode Five)
- Ross Mullan (cast in 5 episodes, e.g. Ice Warrior in Music: Doctor Who Prom (2013): Radio)
- David Mullaney (cast as Panicked Public in The Stolen Earth)
- Jennifer Mullen (cast as Passer in Dark Water)
- Kevin Mullen (cast as Policeman in The Next Doctor)
- Brian Mullholland (cast as Stunt Pirate in The Smugglers: Episode 4)
- Carey Mulligan (cast as Sally Sparrow in Blink)
- Bartlett Mullins (cast in 3 episodes, e.g. Second Elder in The Sensorites: Hidden Danger)
- Dale Mullins (cast as Queen Guard in The Shakespeare Code)
- Deirdre Mullins (cast in 22 episodes, e.g. Fleet Admiral Effenish in Big Finish: The Unbound Universe: The Very Dark Thing)
- Pam Mullins (cast as Self in Factual: Desert Storm)
- Annabel Mullion (cast as Julia in Big Finish: The English Way of Death)
- Mike Mulloy (cast in 2 episodes, e.g. Retrograde in Frontios: Part Three)
- Phil Mulryne (cast in 3 episodes, e.g. Jack in Big Finish: The Haunting Of Malkin Place)
- Phil Mulryne (cast in 13 episodes, e.g. Barnaby Miller in Big Finish: Wave of Destruction)
- Tom Mulvaney (cast as Driver in Dark Water)
- Joel Mulzac (cast as Student in The Sontaran Stratagem)
- Maitland Mum (cast as Lamorna Waters in The Bells of Saint John)
- Martin Muncaster (cast in 3 episodes, e.g. Tannoy Voice in Terminus: Part One)
- Michael Mundell (cast in 3 episodes, e.g. Jasko in The Invasion of Time: Part Three)
- Alice Mundy (cast in 2 episodes, e.g. Waitress in The Lazarus Experiment)
- Marium Mundy (cast as Party Guests in The Idiot's Lantern)
- Max Mundy (cast in 2 episodes, e.g. Think Tank Scientist in Shada: Part Four)
- Roger Mundy (cast as Villager in The Green Death: Episode One)
- Mike Mungarvan (cast in 43 episodes, e.g. Dalek Operator in Destiny of the Daleks: Episode One)
- Water Munn (cast as Man At Arms in The Crusade: The Warlords)
- Ron Munnery (cast in 3 episodes, e.g. Guard (Chloris) in The Creature from the Pit: Part One)
- Caroline Munro (cast as Sentia in Big Finish: Omega)
- Ian Munro (cast in 6 episodes, e.g. Civil Servant in The Claws of Axos: Episode Two)
- Joanna Munro (cast in 2 episodes, e.g. Mrs Moloney in Big Finish: The Demons of Red Lodge and Other Stories: The Entropy Composition)
- Terry Munro (cast in 3 episodes, e.g. Resistance Man in The War Games: Episode Five)
- Tim Munro (cast in 7 episodes, e.g. Ainu in The Creature from the Pit: Part One)
- Tom Munro (cast in 2 episodes, e.g. Crane's Driver in Rise of the Cybermen)
- Carmen Munroe (cast in 3 episodes, e.g. Fariah in The Enemy of the World: Episode 2)
- Ian Munroe (cast in 5 episodes, e.g. Druid in The Stones of Blood: Part One)
- Victor Munt (cast in 4 episodes, e.g. Discoteque Customer in The War Machines: Episode 1)
- Derek Murcott (cast in 2 episodes, e.g. Crito in The Time Monster: Episode Five)
- Gemma Murcott (cast as Photographer in The Lazarus Experiment)
- George Murdock (cast as Preacher in Torchwood: Dead of Night)
- Dermot Murnaghan (cast as Self in Related Items: Celebrity Eggheads: Series 3, Episode 6)
- Aidan Murphy (cast in 4 episodes, e.g. Hippias in The Time Monster: Episode Two)
- Brendan Murphy (cast in 2 episodes, e.g. Thadeus Nook in Big Finish: Fourth Doctor - Series 10: Volume 2: Thaddeus Nook's Time Tours)
- Cathy Murphy (cast as Mum in The Christmas Invasion)
- Christine Murphy (cast as Isabella’s Assistant in Time Heist)
- Dai Murphy (cast in 4 episodes, e.g. Maintenance in The Long Game)
- Dawn Murphy (cast in 5 episodes, e.g. Miss Cordelia in Big Finish: Antidote to Oblivion)
- Dominic Murphy (cast as Passer in Planet of the Dead)
- Ewa Murphy (cast as Tourist/Londoner in The Bells of Saint John)
- Gerard Murphy (cast in 3 episodes, e.g. Richard in Silver Nemesis: Part One)
- Gina Murphy (cast as Crowd in The Shakespeare Code)
- Glen Murphy (cast in 4 episodes, e.g. Dibber in The Trial of a Time Lord (The Mysterious Planet): Part One)
- Glyn Murphy (cast in 2 episodes, e.g. Kinda in Kinda: Part Three)
- Jo Murphy (cast in 4 episodes, e.g. Functionary in Carnival Of Monsters: Episode Four)
- Jordan Murphy (cast in 2 episodes, e.g. Ernie in The Empty Child)
- June Murphy (cast in 11 episodes, e.g. 3rd Officer Jane Blythe in The Sea Devils: Episode One)
- Kai Murphy (cast as Knight in Robot Of Sherwood)
- Paul Murphy (cast as Ahmed’s Senior Military in Death in Heaven)
- Robert Murphy (cast as Waxworks Visitor / Auton Replica in Spearhead From Space: Episode 4)
- Saul Murphy (cast in 3 episodes, e.g. Dummy in Rose)
- Scarlett Murphy (cast as Julie in The Sarah Jane Adventures: Prisoner of the Judoon: Episode One)
- Anneliese Murray (cast in 2 episodes, e.g. Platoon in Nightmare in Silver)
- Barbara Murray (cast in 2 episodes, e.g. Lady Cranleigh in Black Orchid: Part One)
- Christine Murray (cast as Passenger/Passerby in Boom Town)
- Daniel Murray (cast in 3 episodes, e.g. Porter in The Power Of Three)
- Elliot Philip Murray (cast as Stunts in Oxygen)
- Elliot Murray (cast in 4 episodes, e.g. Stunts in Class: For Tonight We Might Die)
- Helen Murray (cast as Passer By in The Angels Take Manhattan)
- Jack Murray (cast as Circus Performer in Terror of the Autons: Episode Two)
- James Murray (cast as Camper in The Stones of Blood: Part Three)
- Paul Murray (cast as Squire of Sir Geoffrey in The King's Demons: Part One)
- Robert Murray (cast as Labourer in Army of Ghosts)
- Ross Murray (cast in 6 episodes, e.g. Tetrap/Lakertyan/Genii in Time and the Rani: Part Three)
- Sean Murray (cast in 4 episodes, e.g. Captain Darvor in Big Finish: The Time War: The Starship of Theseus)
- Shannon Murray (cast in 4 episodes, e.g. Jackie in Class: For Tonight We Might Die)
- Valerie Murray (cast as Registrar in Torchwood: Something Borrowed)
- Keith Murrell (cast as Session Singer in Remembrance of the Daleks: Part One)
- Lynsey Murrell (cast as Ellison / Fionn in Big Finish: The Blazing Hour: Big Finish)
- Raymond Murtagh (cast in 2 episodes, e.g. Retrograde in Frontios: Part Four)
- Jan Murzynowski (cast in 2 episodes, e.g. Mandrel in Nightmare of Eden: Part Three)
- Angelo Muscat (cast in 4 episodes, e.g. Chumbley in Galaxy 4: Four Hundred Dawns)
- Valentino Musetti (cast in 13 episodes, e.g. Sentry in Marco Polo: The Wall of Lies)
- Ronald Musgrove (cast as (extra) in The Talons of Weng-Chiang: Part One)
- Sonny Muslim (cast in 2 episodes, e.g. Lance in The Sarah Jane Adventures: Warriors of Kudlak: Part One)
- James Mustoe (cast in 5 episodes, e.g. Journalists in The End of Time: Part One)
- Terence Mustoo (cast as ADR in Smith and Jones)
- Zach Mutyambizi (cast in 2 episodes, e.g. Child in The Caretaker)
- Fiad Mwamba (cast as Child in Into the Dalek)
- Emma Myant (cast as Greckle in Doctor Who (Miscellaneous): The Paradise Of Death: Episode Three)
- Hugo Myatt (cast in 8 episodes, e.g. Daland in Big Finish: Omega)
- Joseph Mydell (cast as Garius Moro in Big Finish: Memories of a Tyrant)
- Harry Myers (cast in 22 episodes, e.g. Dr Sergei Akunin in Big Finish: Aquitaine)
- Jack Myers (cast as Shankel in Big Finish: The Ultimate Evil)
- Justin Myers (cast as The Lorells in Delta and the Bannermen: Part One)
- Rhys Myers (cast as Young Adam in Torchwood: Adam)
- Stewart Myers (cast in 4 episodes, e.g. Resistance Fighter in The Trial of a Time Lord (Mindwarp): Part Eight)
- Stuart Myers (cast in 20 episodes, e.g. Draconian in Frontier In Space: Episode Five)
- Eve Myles (cast in 75 episodes, e.g. Gwyneth in The Unquiet Dead)
- Philip Myles (cast in 2 episodes, e.g. Worker in The Long Game)
- Sophia Myles (cast in 6 episodes, e.g. Reinette in The Girl in the Fireplace)
- Charles Mylne (cast as Guard at Kanowa in The Enemy of the World: Episode 6)
- Caroline Mylon (cast as Control Room Assistant in The Ambassadors of Death: Episode 1)
- Simon Mynard (cast as Floor Zero Crew in The Parting of the Ways)
- Harry Myrers (cast as Atomon/Sperovore Banker/Steward in Big Finish: A Life of Crime)
- Lizo Mzimba (cast as Self in The Sarah Jane Adventures: Mona Lisa's Revenge: Episode One)