All Cast
Cast List: S
- Suk Hee S'Hng (cast in 3 episodes, e.g. Attendant at Wang Lo's Inn in Marco Polo: The Roof of the World)
- Sirine Saba (cast as Maryam in Can You Hear Me?)
- Bella Sabbagh (cast in 2 episodes, e.g. Audience in The Shakespeare Code)
- Alec Sabin (cast in 2 episodes, e.g. Ringway in Earthshock: Part Two)
- Caroline Sabin (cast as Female Droid in The Girl in the Fireplace)
- Rachid Sabitri (cast in 4 episodes, e.g. Craig Staniland in Partners in Crime)
- Adna Sablyich (cast as Christina Ondrak in Big Finish: Hothouse)
- Dominik Sacchetti (cast in 5 episodes, e.g. Crowd in Rise of the Cybermen)
- Andrew Sachs (cast in 10 episodes, e.g. Skagra in Doctor Who (Miscellaneous): Shada (Online): Part One)
- Leonard Sachs (cast in 7 episodes, e.g. Admiral de Coligny in The Massacre: The Sea Beggar)
- Robin Sachs (cast as British professor in Torchwood: The New World)
- Terry Sachs (cast as Squire (Sir Giles) in The King's Demons: Part One)
- Martin Sackett (cast as Mourner in The Next Doctor)
- John Sackville West (cast in 3 episodes, e.g. Revolutionary Soldier in The Reign Of Terror: Guests of Madame Guillotine)
- John Sackville (cast as The Pilot in Big Finish: Resistance)
- Claire Saddler (cast in 2 episodes, e.g. Red Lady in New Earth)
- Dee Sadler (cast as Flowerchild in The Greatest Show in the Galaxy: Part One)
- Julie Sadler (cast as Passenger/Passerby in Boom Town)
- Paul Sadler (cast in 2 episodes, e.g. Clown in The Greatest Show in the Galaxy: Part One)
- Philip Sadler (cast in 2 episodes, e.g. Clown in The Greatest Show in the Galaxy: Part One)
- Liza Sadovy (cast in 2 episodes, e.g. Miss Trupp in The Sarah Jane Adventures: Mona Lisa's Revenge: Episode One)
- John Sagar (cast as Man in Market in The Romans: The Slave Traders)
- Dadina Sagger (cast in 4 episodes, e.g. Alphan Woman in The Trial of a Time Lord (Mindwarp): Part Eight)
- Lin Sagovsky (cast as Dark Citizen in Big Finish: Dark Universe)
- Gary Sailer (cast as Camera Crew in The End of Time: Part One)
- Emily Saivoiye (cast as Passer in Dark Water)
- Pamela Salem (cast in 47 episodes, e.g. Xoanon in The Face of Evil: Part Three)
- Justin Salinger (cast as Tasker in Oxygen)
- Abdul Salis (cast as Kel in Fear Her)
- Ellen Salisbury (cast in 2 episodes, e.g. Vonna Byzantium in Big Finish: New Frontiers: A Handful of Dust)
- Peter Sallis (cast in 6 episodes, e.g. Penley in The Ice Warriors: One)
- Ralph Salmins (cast as The Lorells in Delta and the Bannermen: Part One)
- Adjani Salmon (cast as Nick in Eve Of The Daleks)
- Chris Salmon (cast as UNIT Soldier in Planet of the Dead)
- Colin Salmon (cast in 4 episodes, e.g. Doctor Moon in Silence in the Library)
- Edwina Salmon (cast in 2 episodes, e.g. Townsfolk in The Gunfighters: Don't Shoot the Pianist)
- Keith Salmon (cast as Control Room Assistant in The Ambassadors of Death: Episode 7)
- Lindy Salmon (cast in 2 episodes, e.g. Dancer in Black Orchid: Part One)
- John Salpeas (cast as Visitor (Argolis) in The Leisure Hive: Part One)
- Charlotte Salt (cast as Sylvia Wimpole/Waveform/Effy in Big Finish: Criss-Cross)
- Jackie Salt (cast in 2 episodes, e.g. Guardian in The Ark: The Steel Sky)
- Andrew Salter (cast as Lunchbox Child in The Wedding of River Song)
- Ivor Salter (cast in 7 episodes, e.g. Morok Commander in The Space Museum: The Search)
- Roger Salter (cast in 3 episodes, e.g. (extra) in Planet of the Spiders: Part One)
- Nedjet Salth (cast as Person at Las Cadenas in The Two Doctors: Part Three)
- Vanna Salviati (cast as Elderly Woman in Torchwood: Immortal Sins)
- Danusia Samal (cast as Lt Freya Jennings in Big Finish: Aquitaine)
- Gian Sammarco (cast in 3 episodes, e.g. Whizzkid in The Greatest Show in the Galaxy: Part One)
- Louis Samms (cast as Stunts in Legend Of The Sea Devils)
- Philip Samms (cast in 2 episodes, e.g. Space Tourist in Delta and the Bannermen: Part One)
- Ryan Sampson (cast in 7 episodes, e.g. Luke Rattigan in The Sontaran Stratagem)
- John Samuel Worsey (cast as Uniform Sergeant in Torchwood: Reset)
- Clifford Samuel (cast in 6 episodes, e.g. Kinner in Big Finish: Ravenous 4: Whisper)
- Damian Samuels (cast in 2 episodes, e.g. Arthur Lloyd in The Empty Child)
- Tobias Samuels (cast as Waiter in Voyage of the Damned)
- Rochenda Sandall (cast in 6 episodes, e.g. Azure / Anna in The Halloween Apocalypse: Flux: Chapter One)
- Damon Sanders (cast as Solos Guard in The Mutants: Episode Five)
- Danielle Sanders (cast as Female Cleric in A Good Man Goes to War)
- Peter Sanders (cast in 4 episodes, e.g. Sita in The Space Museum)
- Alistair Sanderson (cast in 8 episodes, e.g. Dalek Operator in Asylum of the Daleks)
- Keith Sanderson (cast as Egyptian Soldier in The Daleks' Master Plan: Golden Death)
- Tom Sanderson (cast in 4 episodes, e.g. Estate Resident in The Christmas Invasion)
- Jamie Sandford (cast in 3 episodes, e.g. Louis in Big Finish: Unregenerate!)
- Julia Sandiford (cast in 7 episodes, e.g. Ilya in Big Finish: Hearts of Darkness: The Edge of Redemption)
- Stave Sandis (cast in 4 episodes, e.g. (extra) in The Power of Kroll: Part One)
- Robert Sands (cast as Peasant in The Twin Dilemma: Part Three)
- Tawny Sands (cast in 4 episodes, e.g. Movellan in Destiny of the Daleks: Episode One)
- Lionel Sandsby (cast as Cricketer in Black Orchid: Part One)
- Peter Sandys-Clark (cast as Tim in Torchwood: Captain Jack Harkness)
- Jim Sangster (cast in 2 episodes, e.g. Self in Factual: Dr. Forever!: Celestial Toyroom)
- Thomas Sangster (cast in 2 episodes, e.g. Tim Latimer in Human Nature)
- Adisa Sanie (cast in 2 episodes, e.g. Mayan Dancer in Four To Doomsday: Part Two)
- Samantha Sanns (cast in 2 episodes, e.g. SSC Control/Comp/Helm/Operations Officer in Big Finish: Scorpius)
- Lionel Sansby (cast in 10 episodes, e.g. Passenger in Nightmare of Eden: Part Two)
- Colum Sanson Regan (cast in 6 episodes, e.g. Picnic Man in The Girl in the Fireplace)
- David Sant (cast as Auton in Rose)
- Gito Santana (cast in 7 episodes, e.g. Slave in Destiny of the Daleks: Episode Three)
- Santhi (cast as Merchandani Kid in Turn Left)
- Nick Santini (cast in 2 episodes, e.g. Caretaker in Paradise Towers: Part Three)
- Joe Santo (cast in 14 episodes, e.g. Exit Guard in The Mutants: Episode Two)
- Ivan Santon (cast in 4 episodes, e.g. Peladon Miner in The Monster of Peladon: Part One)
- Jo Santos (cast in 2 episodes, e.g. UNIT Soldier in The Ambassadors of Death: Episode 7)
- Danny Sapani (cast as Colonel Manton in A Good Man Goes to War)
- SaraCarver (cast in 2 episodes, e.g. Kadiatu in Big Finish: The Final Amendment)
- John Sarbutt (cast in 5 episodes, e.g. Sevateem in The Face of Evil: Part One)
- Mic Sargent (cast as Brain Guest [Bar] in The Power Of Three)
- Ray Sargent (cast as Villager in The Awakening: Part Two)
- Sunetra Sarker (cast as Indira in Dinosaurs on a Spaceship)
- Paul Sarony (cast as Keystone Cop in The Daleks' Master Plan: The Feast of Steven)
- Gyuri Sarossy (cast in 5 episodes, e.g. Volor in Big Finish: The Genesis Chamber)
- Terry Sartain (cast in 19 episodes, e.g. Draconian in Frontier In Space: Episode Two)
- William Sasso (cast as Pete in The TV Movie)
- Christopher Saul (cast in 2 episodes, e.g. Trooper in The Awakening: Part One)
- Nitza Saul (cast in 2 episodes, e.g. Karina in Warriors of the Deep: Part One)
- Danielle Saunders (cast in 4 episodes, e.g. Platoon in Nightmare in Silver)
- Gemma Saunders (cast in 5 episodes, e.g. Eleanor Vale/Amanda Caulfield in Big Finish: 1963: The Assassination Games)
- Isabelle Saunders (cast as Dalek Avatar in Asylum of the Daleks)
- James Saunders (cast in 3 episodes, e.g. Worker in Last of the Time Lords)
- Jodie Saunders (cast as Stunts in The Vanquishers: Flux: Chapter Six)
- Len Saunders (cast in 4 episodes, e.g. Dalek Operator in Aaru Movies: Dr Who and the Daleks)
- Olivia Saunders (cast as Child in The Day of The Doctor)
- Basher Savage (cast as Yanikov in Big Finish: Earth Aid)
- Chloe Savage (cast as Sky in The Sarah Jane Adventures: Sky: Episode One)
- Ella Savage (cast as Sky in The Sarah Jane Adventures: Sky: Episode One)
- Raymond Savage (cast in 2 episodes, e.g. (extra) in Robot: Part Three)
- Zillah Savage (cast as Passer By in The Snowmen)
- Laura Savickas (cast as Panicked Public in The Stolen Earth)
- John Savident (cast in 2 episodes, e.g. The Squire in The Visitation: Part One)
- David Savile (cast in 13 episodes, e.g. Winser in The Claws of Axos: Episode One)
- Jonathan Saville (cast as Sontaran in Other Productions: Shakedown: Return of the Sontarans)
- Michael Savva (cast in 2 episodes, e.g. Self defence lad in Survival: Part One)
- Julia Sawalha (cast in 4 episodes, e.g. Emma in Doctor Who (Miscellaneous): Doctor Who and The Curse Of Fatal Death: Part One)
- Nadim Sawalha (cast in 2 episodes, e.g. Swapnil Khan in Big Finish: The Magic Mousetrap)
- Meena Sawhney (cast as Mr Merchandani in Turn Left)
- Rajesh Sawhney (cast in 5 episodes, e.g. Campaigner in The Sound of Drums)
- Rhys Sawinston (cast as Child in The Caretaker)
- Ray Sawyer (cast as Desk Sergeant in Blink)
- Toby Sawyer (cast as Daniel/Ghost Brother in Big Finish: The Wishing Beast)
- David Sax (cast in 8 episodes, e.g. Tanlee in Big Finish: Invasion of the Daleks)
- Peter Sax (cast as Kerril in The Robots of Death: Part One)
- James Saxon (cast in 3 episodes, e.g. Oscar in The Two Doctors: Part One)
- Kathy Saxondale (cast as Congregation in The Crimson Horror)
- Granville Saxton (cast as Duke of Wellington in Big Finish: The Curse of Davros)
- Sean Saye (cast in 15 episodes, e.g. Scarecrow in Human Nature)
- Alexei Sayle (cast in 4 episodes, e.g. D. J. in Revelation of the Daleks: Part One)
- Charles Saynor (cast as Commissionaire in The Mind of Evil: Episode Two)
- Ian Saynor (cast in 6 episodes, e.g. Merak in The Armageddon Factor: Part One)
- Paulo Scaglioni (cast in 2 episodes, e.g. (extra) in World War Three)
- Jean Scaife (cast in 2 episodes, e.g. Maypole Villager in The Dæmons: Episode Four)
- Roy Scammell (cast in 12 episodes, e.g. Stunt Motorcyclist in The Ambassadors of Death: Episode 2)
- Jack Scanlon (cast as Submariner in Cold War)
- Dwayne Scantlebury (cast as Ginger in The End of Time: Part One)
- Adrian Scarborough (cast in 2 episodes, e.g. Kahler-Jex in A Town Called Mercy)
- Lucy Scarfe (cast as Passer in Dark Water)
- David Schaal (cast in 2 episodes, e.g. Inspector Zogroth / Bus Driver in Big Finish: The Comic Strip Adaptations Volume 01: Doctor Who and the Iron Legion)
- Derek Schafer (cast in 5 episodes, e.g. Villager in The Time Meddler: Checkmate)
- Anna Schaffer (cast as Rachel in Class: Nightvisiting)
- Sophie Schandlinger (cast in 2 episodes, e.g. Sister in The Night of the Doctor)
- Gavin Schanz (cast in 2 episodes, e.g. (extra) in World War Three)
- Catherine Schell (cast in 4 episodes, e.g. Countess in City of Death: Part One)
- Adrian Schiller (cast in 2 episodes, e.g. Uncle in The Doctor's Wife)
- Jan Schilling (cast in 3 episodes, e.g. Rebel (Pluto) in The Sun Makers: Part One)
- Katharine Schlesinger (cast in 3 episodes, e.g. Gwendoline in Ghost Light: Part One)
- Leonie Schliesing (cast in 4 episodes, e.g. Zsa Zsa Straus in Big Finish: Seventh Doctor New Adventures: Volume 1: The Trial of a Time Machine)
- David Schneider (cast as Ernst Bratfisch in Big Finish: The Silver Turk)
- Audrey Schoelhammer (cast as Reed in Big Finish: Flip-Flop)
- Cedric Schoeman (cast in 2 episodes, e.g. School Child in An Unearthly Child: Pilot)
- David Schofield (cast in 8 episodes, e.g. Odin in The Girl Who Died)
- Katharine Schofield (cast in 5 episodes, e.g. Sabetha in The Keys of Marinus: The Velvet Web)
- Leslie Schofield (cast in 5 episodes, e.g. Leroy in The War Games: Episode Four)
- John Scholes (cast as Baiame in Big Finish: Dreamtime)
- Annabel Scholey (cast in 3 episodes, e.g. Claire in The Halloween Apocalypse: Flux: Chapter One)
- Frederick Schrecker (cast as Julius Silverstein in The Web of Fear: Episode 1)
- John Schwab (cast in 10 episodes, e.g. Bywater in Dalek)
- Stefan Schwartz (cast in 3 episodes, e.g. Knight Commander in Battlefield: Part Two)
- Tony Scoggo (cast in 2 episodes, e.g. Grenville/Enzu in The Trial of a Time Lord (Terror of the Vervoids): Part Nine)
- Wilf Scolding (cast in 11 episodes, e.g. Alejandro in Big Finish: Goodbye Piccadilly)
- Adrian Scott (cast as Trooper (Resurrection) in Resurrection of the Daleks: Part Two)
- Alwyn Scott (cast in 5 episodes, e.g. Villager in Human Nature)
- Amanda Scott (cast in 2 episodes, e.g. Band (colony) in The Macra Terror: Episode 1)
- Christopher Scott (cast in 8 episodes, e.g. Administrator David Isherwood in Doctor Who (Miscellaneous): Real Time: Episode Six)
- Clive Scott (cast as Linwood in The Mind of Evil: Episode One)
- Dougray Scott (cast as Alec Palmer in Hide)
- Geoff Scott (cast as Congregation in The Crimson Horror)
- Jonina Scott (cast in 4 episodes, e.g. Marn in The Sun Makers: Part One)
- Lindsey Scott (cast in 4 episodes, e.g. Control Room Assistant in The Ambassadors of Death: Episode 7)
- Patrick Scott (cast in 3 episodes, e.g. Machine Gunner in The War Games: Episode One)
- Robin Scott (cast in 10 episodes, e.g. Charlie in The Moonbase: Episode 1)
- Russell Scott (cast in 2 episodes, e.g. Egyptian Soldier in The Daleks' Master Plan: Escape Switch)
- Sam Scott (cast as Monk in Vengeance on Varos: Part Two)
- Sandra Scott (cast in 3 episodes, e.g. Potential Mum in The End of Time: Part One)
- Selena Scott (cast as Zombie in The Christmas Invasion)
- Shaun Scott (cast in 4 episodes, e.g. General Peters in Big Finish: Counter-Measures: Series 1: Threshold)
- Steven Scott (cast in 4 episodes, e.g. Kebble in The Power of the Daleks: Episode Five)
- Tim Scott (cast in 3 episodes, e.g. Chima in Delta and the Bannermen: Part One)
- Tracy Scott (cast in 4 episodes, e.g. Brain Guest [Bar] in The Power Of Three)
- John Scougall (cast in 8 episodes, e.g. Cort / Guards in Big Finish: Missy - Series One: A Spoonful of Mayhem)
- Patrick Scoular (cast in 2 episodes, e.g. Soldier (Thal) in Genesis of the Daleks: Part Four)
- Andy Scourfield (cast in 2 episodes, e.g. Holiday Maker in Delta and the Bannermen: Part One)
- Nick Scovell (cast in 2 episodes, e.g. Detective Berkeley in Big Finish: Whispers of Terror)
- Tim Scragg (cast as Crex in Big Finish: Time In Office)
- Jonny Scripps (cast as Stunt Man in The War Games: Episode Three)
- Stewart Scudamore (cast in 4 episodes, e.g. Danvers in Big Finish: The Churchill Years (Volume One): The Oncoming Storm)
- Terry Scully (cast in 5 episodes, e.g. Fewsham in The Seeds of Death: Episode One)
- W A Scully (cast as Courtier in Marco Polo: Assassin at Peking)
- Heidi Scurlock (cast as Diseased Paitent in New Earth)
- Helen Scurlock (cast as Crowd in The Christmas Invasion)
- Karen Seacombe (cast in 2 episodes, e.g. Sandra in The Lodger)
- David Seaforth (cast as Passenger (Gatwick) in The Faceless Ones: Episode 2)
- Julian Seager (cast as Platoon in Nightmare in Silver)
- Michael Seager (cast as Child in The Day of The Doctor)
- Richard Seager (cast in 4 episodes, e.g. Robot in The Robots of Death: Part One)
- Orlando Seale (cast in 2 episodes, e.g. Dylan Argent in Big Finish: Vortex Ice)
- Sean (cast as UNIT Soldier in Jeep in Turn Left)
- John Seanmell (cast as Man in Market in The Romans: All Roads Lead to Rome)
- Sean Brosnan (cast as Sir Hamilton Seymour in Big Finish: The Angel of Scutari)
- George Sear (cast as Mathew Sharpe in Big Finish: The Lure of the Nomad)
- Andrew Searle (cast in 2 episodes, e.g. Paramilitry in Silver Nemesis: Part One)
- Audrey Searle (cast in 4 episodes, e.g. Airport Personnel in The Faceless Ones: Episode 5)
- Geoff Searle (cast as Various in Big Finish: The Natural History of Fear)
- Ian Sears (cast as Brendan Richards in K-9 and Company: A Girl's Best Friend)
- Ruth Sears (cast as Willoway in Big Finish: The Lure of the Nomad)
- Teddy Sears (cast in 4 episodes, e.g. Blue Eyed Man in Torchwood: The Categories of Life)
- Vince Sears (cast in 4 episodes, e.g. (extra) in The Curse of Fenric: Part One)
- Derek Seaton (cast in 5 episodes, e.g. Commander Hilred in The Deadly Assassin: Part Two)
- Robin Sebastian (cast in 3 episodes, e.g. Commentator Antimon in Big Finish: Imperiatrix)
- Andy Secombe (cast in 11 episodes, e.g. Laris/Akros/Policeman in Big Finish: Breaking Bubbles)
- Ken Sedd (cast in 6 episodes, e.g. Argolin in The Leisure Hive: Part Two)
- Kenneth Sedd (cast as Think Tank Scientist in Shada: Part One)
- David Seddon (cast in 3 episodes, e.g. Irving/Garn/Tashan/Mercenary 2 in Big Finish: The King of Sontar)
- Graham See (cast as Pyerpoint in Big Finish: The Romance of Crime)
- Nicole See (cast in 2 episodes, e.g. American Student in Last of the Time Lords)
- Gordon Seed (cast in 28 episodes, e.g. Rory Williams in Amy's Choice)
- Graham Seed (cast in 8 episodes, e.g. Mr Bevan in Big Finish: Counter-Measures: Series 3: Changing of the Guard)
- Kenneth Seed (cast in 3 episodes, e.g. Argolin in The Leisure Hive: Part Three)
- Paul Seed (cast in 4 episodes, e.g. Graff Vynda K in The Ribos Operation: Part One)
- Kenneth Seeger (cast in 3 episodes, e.g. Cyberman in The Tomb of the Cybermen: Episode 2)
- Roy Seeley (cast in 20 episodes, e.g. Tachyon Image in The Leisure Hive: Part One)
- Deli Segal (cast in 2 episodes, e.g. Skippa in Big Finish: The Third Doctor Adventures Volume 04: The Rise of the New Humans)
- John Segal (cast as Lanisha in Time and the Rani: Part Three)
- Tom Segal (cast in 6 episodes, e.g. Space Corp Technician in The Space Pirates: Episode One)
- Sachin Seghal (cast as Resident in Army of Ghosts)
- Zohra Sehgal (cast in 4 episodes, e.g. Attendent on Ping-Cho in Marco Polo: Rider From Shang-Tu)
- Neil Seiler (cast in 3 episodes, e.g. Commander Stewart in Death to the Daleks: Part One)
- Cerys Anne Selby (cast as Clara in The Rings of Akhaten)
- David Selby (cast in 4 episodes, e.g. Soldier in Terror of the Zygons: Part One)
- Tony Selby (cast in 9 episodes, e.g. Glitz in The Trial of a Time Lord (The Mysterious Planet): Part One)
- Tricia Selby (cast as Wholewealer in The Green Death: Episode One)
- Jeffery Self (cast as James Percey in Torchwood: Rendition)
- Keiron Self (cast as Bernie in Big Finish: Outbreak)
- Trevor Sellers (cast as Mr Porrima in Time Heist)
- Roy Selley (cast in 2 episodes, e.g. Skonnan Elder in The Horns of Nimon: Part Two)
- George Selway (cast in 5 episodes, e.g. Meadows in The Faceless Ones: Episode 1)
- Hayley Selway (cast in 2 episodes, e.g. Female Nurse in Smith and Jones)
- Kathryn Selway (cast as Shopper in The Christmas Invasion)
- Kevin Selway (cast in 4 episodes, e.g. Mummy in Pyramids of Mars: Part One)
- Allan Selwyn (cast in 2 episodes, e.g. Gladiator in The Romans: Conspiracy)
- Maurice Selwyn (cast in 3 episodes, e.g. Revolutionary Soldier in The Reign Of Terror: A Change of Identity)
- Rebecca Semark (cast in 3 episodes, e.g. Lazar in Terminus: Part One)
- Laura Semmens (cast as Krillitane Dinner Lady in School Reunion)
- Ankur Sengupta (cast in 4 episodes, e.g. Adult Civilian in The Day of The Doctor)
- Katherine Senior (cast in 4 episodes, e.g. Kirsty / Private Sedgwick in Big Finish: UNIT: Revisitations: Hosts of the Wirrn 1)
- Kimberley Senior (cast as Silurian in A Good Man Goes to War)
- Richard Senior (cast as Self in Factual: River Runs Wild)
- Lionel Sensby (cast in 3 episodes, e.g. Lazar in Terminus: Part One)
- Kedd Senton (cast in 5 episodes, e.g. Crew of Wheel in The Wheel In Space: Episode 2)
- Oliver Senton (cast in 2 episodes, e.g. Kranlee in Big Finish: The Boy That Time Forgot)
- Peter Serafinowicz (cast as Fisher King in Before The Flood)
- Barbara Sergeant (cast as Passer in Deep Breath)
- Joanne Sergeant (cast as Maid in Doctor Who (Miscellaneous): The Ghosts of N Space: Episode Two)
- Michelle Sergeant (cast as Crowd in Smith and Jones)
- George Serghe (cast in 3 episodes, e.g. Rebel in State of Decay: Part One)
- AR Serle (cast as Pirate in The Smugglers: Episode 1)
- Maggie Service (cast in 7 episodes, e.g. Elsie in Deep Breath)
- Ray Sesay (cast as Martin Luther King in Rosa)
- John Sessions (cast in 4 episodes, e.g. Gus in Mummy On The Orient Express)
- Hilary Sesta (cast in 2 episodes, e.g. Fortune Teller in Snakedance: Part One)
- Renu Setna (cast as Intern in The Hand Of Fear: Part One)
- Frank Seton (cast in 4 episodes, e.g. Sea Devil in The Sea Devils: Episode Five)
- George Sewell (cast in 4 episodes, e.g. Ratcliffe in Remembrance of the Daleks: Part One)
- Michael Sewell (cast as Mike in Torchwood: Reset)
- Carolyn Seymour (cast in 21 episodes, e.g. Mordrega in Big Finish: Philip Hinchcliffe Presents: The Ghosts of Gralstead)
- David Seymour (cast as Kevin in Big Finish: Rat Trap)
- Sylvia Seymour (cast as Miss Trefusis in The End of Time: Part One)
- Nabil Shaban (cast in 9 episodes, e.g. Sil in Vengeance on Varos: Part One)
- Simon Shackleton (cast as Bob in Torchwood: Fragments)
- Sophie Shad (cast in 4 episodes, e.g. Severine in Big Finish: The War Master: Self-Defence: The Forest of Penitence)
- Anna Shaffer (cast as Rachel in Class: For Tonight We Might Die)
- Derek Shaffer (cast as Trojan Soldier in The Myth Makers: Death of a Spy)
- Amit Shah (cast as Rahul in The Woman Who Fell to Earth)
- Kiran Shah (cast as Figure in Listen)
- Kiran Shah (cast as Emojibot in Smile)
- Pooja Shah (cast in 2 episodes, e.g. Miss Shah in Class: For Tonight We Might Die)
- Errol M Shaker (cast in 4 episodes, e.g. Slave in Destiny of the Daleks: Episode Three)
- Donna Shakesheff (cast as Pretty Girl in Cold War)
- Marcus Shakesheff (cast as Sailor in Cold War)
- Maria Shakesheff (cast as Onlooker in Partners in Crime)
- Jane Shakespeare (cast as Queen Ch'tizz in Big Finish: Birthright)
- Chris Shalders (cast in 6 episodes, e.g. Punter in The Bells of Saint John)
- Kerry Shale (cast as Doctor Renfrew in Day of the Moon)
- Michael Shallar (cast as Cardinal Richelieu in Big Finish: The Church and the Crown)
- Michael Shallard (cast as Marshal Anson in Big Finish: Death and the Daleks)
- Jack Shalloo (cast as Yoss Inkl in The Tsuranga Conundrum)
- Irfan Shamji (cast as Jaks in Big Finish: The Moons Of Vulpana)
- Mohamed Shamsi (cast in 4 episodes, e.g. Ship's Crew in Carnival Of Monsters: Episode Four)
- Julie Shanahan (cast in 2 episodes, e.g. Lab Worker in The Power Of Three)
- Briana Shann (cast as Alit in The Doctor Falls)
- Jean Shannon (cast as London extra in Doctor Who And The Silurians: Episode 6)
- Leslie Shannon (cast in 9 episodes, e.g. Shada Prisoner in Shada: Part Six)
- Michael J Shannon (cast in 2 episodes, e.g. Dr Hugo Macht in Big Finish: Shield Of The Jötunn)
- Cyril Shaps (cast in 9 episodes, e.g. John Viner in The Tomb of the Cybermen: Episode 1)
- Kiran Sharma (cast as Passer in Dark Water)
- Madhav Sharma (cast as Patel in Frontier In Space: Episode Three)
- Gareth Sharman (cast as Patient in Smith and Jones)
- Hannah Sharp (cast as Mandy in The Beast Below)
- Lesley Sharp (cast in 2 episodes, e.g. Sky Silvestry in Midnight)
- Richard D Sharp (cast in 3 episodes, e.g. Earl Sigma in The Happiness Patrol: Part One)
- Teresa Sharp (cast as Paramedic in Partners in Crime)
- Harry Sharples (cast in 2 episodes, e.g. Rebel (Pluto) in The Sun Makers: Part Three)
- David Shaurat (cast as Egyptian Soldier in The Daleks' Master Plan: Golden Death)
- Charles Shaw Hesketh (cast in 3 episodes, e.g. Villager in The Dæmons: Episode Three)
- David Shaw-Parker (cast in 12 episodes, e.g. General Mikhail Leonov/General Paterson in Big Finish: 1963: The Space Race)
- Adam Shaw (cast as Morris in Rise of the Cybermen)
- Anna Shaw (cast in 2 episodes, e.g. Passer By in The Sound of Drums)
- Bronson Shaw (cast as Student in The Krotons: Episode One)
- Cosima Shaw (cast in 2 episodes, e.g. Steffi Ehrlich in The Waters of Mars)
- Jacob Shaw (cast in 2 episodes, e.g. Bank Customer in Time Heist)
- Richard Shaw (cast in 8 episodes, e.g. Lobos in The Space Museum: The Dimensions of Time)
- Simon Shaw (cast in 4 episodes, e.g. Tigellan Guard in Meglos: Part One)
- Tessa Shaw (cast in 2 episodes, e.g. UNIT Officer in Spearhead From Space: Episode 1)
- Michael Sheard (cast in 18 episodes, e.g. Rhos in The Ark: The Plague)
- Wench Sheard (cast as ADR in Dalek)
- Wendi Sheard (cast in 18 episodes, e.g. Additional Dialogue in Rose)
- Paul Shearer (cast in 2 episodes, e.g. King Henry VIII in Big Finish: Recorded Time)
- William Shearer (cast in 4 episodes, e.g. Chumbley in Galaxy 4: Trap of Steel)
- Rob Shearman (cast as The Myrka in Big Finish: Bloodtide)
- Robert Shearman (cast in 4 episodes, e.g. Self in Factual: The Daleks)
- Reece Shearsmith (cast in 2 episodes, e.g. Patrick Troughton in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- FIona Sheehan (cast in 3 episodes, e.g. Princess Dirani in Big Finish: The Widow's Assassin)
- Richard Sheekey (cast in 9 episodes, e.g. Beat Policeman in The Talons of Weng-Chiang: Part One)
- Caroline Sheen (cast as Nurse in Torchwood: From Out of the Rain)
- Lucy Sheen (cast in 5 episodes, e.g. Xiu Xiu in Big Finish: Jago & Litefoot Series 13: The Stuff of Nightmares)
- Michael Sheen (cast as Voice of House in The Doctor's Wife)
- Jason Sheherd (cast as Village Dancer in Human Nature)
- Harold Sheilds (cast in 2 episodes, e.g. Customer in Cafe in City of Death: Part One)
- Douglas Sheldon (cast in 2 episodes, e.g. Kirksen in The Daleks' Master Plan: Devil's Planet)
- Barbara Shelley (cast in 4 episodes, e.g. Sorasta in Planet of Fire: Part One)
- Brian Shelley (cast in 5 episodes, e.g. Renval/Erys in Big Finish: The Brood of Erys)
- Paul Shelley (cast in 7 episodes, e.g. Persuasion in Four To Doomsday: Part One)
- Robert Shelley (cast in 2 episodes, e.g. Sentry in Torchwood: Children Of Earth: Day One)
- Shane Shelton (cast as Tito in The Tenth Planet: Episode 1)
- Valerie Shelton (cast as Discoteque Customer in The War Machines: Episode 1)
- The Shend (cast as Max Tresilian in Torchwood: They Keep Killing Suzie)
- Ellie Shenker (cast as Dot in Thin Ice)
- Jason Shephard (cast as Student in The Sontaran Stratagem)
- Pat Shephard (cast in 3 episodes, e.g. Sailor (Shadow) in Enlightenment: Part One)
- Patrick Shephard (cast in 2 episodes, e.g. Mercenary in Dragonfire: Part Three)
- Claire Taylor Shepherd (cast as Corey’s Mum in The Caretaker)
- Jack Shepherd (cast as Self in Factual: The Women of Doctor Who)
- Jason Lloyd Shepherd (cast in 5 episodes, e.g. Villager in Human Nature)
- John Shepherd (cast in 5 episodes, e.g. Armed Police Driver in Planet of the Dead)
- Roger Shepherd (cast as Bridge Crew in Voyage of the Damned)
- Rose Shepherd (cast as Visitor in The Power Of Three)
- Steve John Shepherd (cast in 4 episodes, e.g. Simon Devlin in Big Finish: UNIT: Extinction: Vanguard)
- Mark Sheppard (cast in 4 episodes, e.g. Canton Delaware in The Impossible Astronaut)
- William Morgan Sheppard (cast in 2 episodes, e.g. Canton Delaware in The Impossible Astronaut)
- Gary Sheppeard (cast as Pizza Lad in Torchwood: Everything Changes)
- Marcus Sherard (cast as Teacher in The Day of The Doctor)
- Jane Sherbourne (cast in 2 episodes, e.g. Dancer in Black Orchid: Part One)
- Astra Sheridan (cast as Yellow Kang in Paradise Towers: Part One)
- Dinah Sheridan (cast as Chancellor Flavia in The Five Doctors)
- Ian Sheridan (cast as Guard in State of Decay: Part Four)
- Susan Sheridan (cast as Mrs Streeter in Big Finish: The Hollows of Time)
- Tom Sheridan (cast in 4 episodes, e.g. Space Captain in The Rescue: The Powerful Enemy)
- Simon Sherlock (cast as Kelsa in Big Finish: The Raincloud Man)
- Martin T Sherman (cast in 3 episodes, e.g. ADR in Daleks in Manhattan)
- Martin Sherren (cast as Stunts in Hell Bent)
- Matt Sherren (cast in 2 episodes, e.g. Stunts in Spyfall: Part One)
- Julian Sherrier (cast in 2 episodes, e.g. Zephon in The Daleks' Master Plan: Day of Armageddon)
- Robin Sherringham (cast in 4 episodes, e.g. Nimon in The Horns of Nimon: Part One)
- Derrick Sherwin (cast in 2 episodes, e.g. Car Park Attendant in Spearhead From Space: Episode 2)
- Jane Sherwin (cast in 5 episodes, e.g. Lady Jennifer Buckingham in The War Games: Episode One)
- Jonathan Sherwood (cast in 2 episodes, e.g. Varan's Son in The Mutants: Episode One)
- Peter Shewaid (cast as Soldier in A Good Man Goes to War)
- Peter Sheward (cast in 13 episodes, e.g. Passer By in The Sound of Drums)
- Lynsey Shewring (cast as Paramedic in Dark Water)
- Trevor Shewring (cast as Architect in The Invasion: Episode Six)
- David Shields (cast in 2 episodes, e.g. Oliver in Big Finish: The Office Of Never Was)
- Cassie Shilling (cast as Child in Snakedance: Part Three)
- Crispin Shingler (cast as NI/cian 137 in Big Finish: The Tartarus Gate)
- Joe Shire (cast in 8 episodes, e.g. Aubrey Khan in Big Finish: Class - Volume One: Gifted)
- Amanda Shodeko (cast in 5 episodes, e.g. Meri in Big Finish: Hearts of Darkness: The Edge of Redemption)
- Jack Sholomire (cast as Mentiad in The Pirate Planet: Part One)
- Sylvia Shore (cast as Coven Member in K-9 and Company: A Girl's Best Friend)
- Edmund C Short (cast as Peter Purves in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Kevin Short (cast in 2 episodes, e.g. British Soldier in The Sound of Drums)
- Michelle Short (cast as Library Person in Forest of the Dead)
- John Shorter (cast as London extra in Doctor Who And The Silurians: Episode 6)
- Aaron Shosanya (cast as Tony Warner in The Sarah Jane Adventures: The Day of the Clown: Episode One)
- Sam Showdhary (cast as Saracen Warrior in The Crusade: The Lion)
- John Shrapnel (cast in 12 episodes, e.g. Thomas Cromwell in Big Finish: Doom Coalition: 3: Absent Friends)
- Lex Shrapnel (cast in 5 episodes, e.g. Marshall in Big Finish: Shadow of the Past)
- Kate Shury (cast in 3 episodes, e.g. (extra) in The Curse of Fenric: Part One)
- Shyam (cast as Merchandani Kid in Turn Left)
- Nicola Siân (cast in 2 episodes, e.g. Ellie in The Rings of Akhaten)
- Lowri Sian Jones (cast as Nettie Williams in Torchwood: From Out of the Rain)
- Nicola Sian (cast as Sarra Vanser/Female Drachee in Big Finish: The Brood of Erys)
- Oscar Sibanda (cast as Passer in Dark Water)
- Tony Sibbald (cast in 2 episodes, e.g. Huckle in Terror of the Zygons: Part One)
- David Sibley (cast in 33 episodes, e.g. Pralix in The Pirate Planet: Part One)
- Mike Sibley (cast as Newsroom Worker in Other Productions: The Airzone Solution)
- Chook Sibtain (cast in 10 episodes, e.g. Tarak Ital in The Waters of Mars)
- Robert Sidaway (cast in 9 episodes, e.g. Avon in The Savages: Episode 1)
- Alexander Siddig (cast in 8 episodes, e.g. Captain in Big Finish: The Wreck of the Titan)
- Jaden Sidhu (cast as Passer in Dark Water)
- Nicci Sidney (cast as Miss Collins in The End of Time: Part One)
- Angela Silcocks (cast in 3 episodes, e.g. Diner in Rose)
- Jack Silk (cast as Doctor Who in The Dæmons: Episode Four)
- Alastair Sill (cast as Young Dad in Torchwood: From Out of the Rain)
- Ruth Sillers (cast as Kimberly Todd in Big Finish: Davros)
- Adele Silva (cast as Squeak in Survival: Part Three)
- Adam Silver (cast as The Young Man in Torchwood: The Gathering)
- Joshua Silver (cast as Charlie Nisbett in Big Finish: The Romance of Crime)
- Carmen Silvera (cast in 5 episodes, e.g. Clara in The Celestial Toymaker: The Celestial Toyroom)
- Peter Silverleaf (cast in 4 episodes, e.g. Reginald Colvile/Resurrection Joe in Big Finish: Jago & Litefoot Series 01: The Bloodless Soldier)
- Ben Silverstone (cast as Drew in Big Finish: Phobos)
- Stuart Sim (cast in 2 episodes, e.g. Worker in The Sontaran Stratagem)
- Fode Simbo (cast in 3 episodes, e.g. Tomasi in Big Finish: The Eleventh Doctor: Geronimo: The Inheritance)
- David Simeon (cast in 3 episodes, e.g. Private Latimer in Inferno: Episode 1)
- Michael Simkins (cast in 2 episodes, e.g. Raxxil in Big Finish: Fourth Doctor - Series 9: Volume 2: The Planet of Witches)
- John Simm (cast in 12 episodes, e.g. The Master in Utopia)
- Carolyn Mary Simmonds (cast in 2 episodes, e.g. (extra) in Earthshock: Part One)
- June Simmonds (cast in 2 episodes, e.g. Wedding Guest in The Runaway Bride)
- Tina Simmonds (cast as Discoteque Customer in The War Machines: Episode 1)
- Caroline Simmons (cast as Wedding Guest (Church) in Father's Day)
- Chris Simmons (cast as Albert Potter in Big Finish: Pier Pressure)
- Donald Simmons (cast as Soldier in The War Machines: Episode 3)
- Glynis Simmons (cast as Person at Las Cadenas in The Two Doctors: Part Three)
- June Simmons (cast as Villagers in K-9 and Company: A Girl's Best Friend)
- Kai Simmons (cast as Lamb in Big Finish: Jubilee)
- Keith Simmons (cast as Man in Radiation Suit in The Hand Of Fear: Part Two)
- Sabrina Simms (cast as Minion in The Sound of Drums)
- Helen Simnett (cast in 2 episodes, e.g. Dark Girl in The Talons of Weng-Chiang: Part Five)
- Josette Simon (cast in 5 episodes, e.g. Sarana Teel in Big Finish: Classic Doctors, New Monsters (Volume One): The Sontaran Ordeal)
- Keith Simon (cast in 3 episodes, e.g. IMC Guard in Colony In Space: Episode Three)
- Peter Simon (cast as Guest in New Earth)
- Stan Simonds (cast as Resistance Man in The War Games: Episode Eight)
- Don Simons (cast in 4 episodes, e.g. French Peasant in The Reign Of Terror: Guests of Madame Guillotine)
- Donald Simons (cast as Trojan Soldier in The Myth Makers: Death of a Spy)
- Keith Simons (cast in 4 episodes, e.g. Control Room Assistant in The Ambassadors of Death: Episode 6)
- Lauren Simons (cast as ADR in Smith and Jones)
- Neville Simons (cast in 11 episodes, e.g. Astronaut in The Ambassadors of Death: Episode 3)
- Tina Simons (cast in 2 episodes, e.g. Passenger (Chamelon Tours) in The Faceless Ones: Episode 3)
- William Simons (cast in 4 episodes, e.g. Mandrel in The Sun Makers: Part One)
- Richard Simpkins (cast as Presidential Driver in The Sound of Drums)
- Alisdair Simpson (cast in 8 episodes, e.g. Cleon in Big Finish: Mask of Tragedy)
- Dudley Simpson (cast as Conductor in The Talons of Weng-Chiang: Part Four)
- Graham Simpson (cast as Hiker in Image of the Fendahl: Part One)
- Jay Simpson (cast in 2 episodes, e.g. Jay in The Sarah Jane Adventures: The Lost Boy: Part One)
- Julian Simpson (cast as Self in Factual: Double Trouble)
- Madelaine Simpson (cast in 3 episodes, e.g. Passenger in Nightmare of Eden: Part One)
- Natalie Simpson (cast in 6 episodes, e.g. Vonn in Big Finish: Ravenous 4: Whisper)
- Paul Simpson (cast as Self in Related Items: Doctor Who Mastermind)
- Scott Simpson (cast as Torch Runner in Fear Her)
- Tracie Simpson (cast in 4 episodes, e.g. Ladies Hand in Last of the Time Lords)
- Bert Sims (cast as Newspaper Seller (Corpse) in The Web of Fear: Episode 1)
- Jennifer Sims (cast as Grey in Big Finish: Believe)
- Joan Sims (cast in 4 episodes, e.g. Katryca in The Trial of a Time Lord (The Mysterious Planet): Part One)
- Joe Sims (cast in 9 episodes, e.g. Chief Orderly / Wilde / Jumper in Big Finish: The Third Doctor Adventures Volume 04: The Rise of the New Humans)
- Daniel Sinclair (cast as Militiaman in The Smugglers: Episode 4)
- David Sinclair (cast in 2 episodes, e.g. (extra) in The Power of Kroll: Part One)
- Donald Sinclair (cast in 6 episodes, e.g. Technician (Ice Warriors) in The Ice Warriors: One)
- John Sinclair (cast in 10 episodes, e.g. Refugee in Utopia)
- Kadeem Sinclair (cast in 4 episodes, e.g. Student in The Sontaran Stratagem)
- Paul Sinclair (cast as Egyptian Soldier in The Daleks' Master Plan: Escape Switch)
- Sally Sinclair (cast in 2 episodes, e.g. Stewardess in Nightmare of Eden: Part One)
- John Sinclare (cast as Male Patient in Smith and Jones)
- Guy Siner (cast in 2 episodes, e.g. Ravon in Genesis of the Daleks: Part One)
- Mark Siney (cast as Mr Merriweather in Big Finish: Doctor Who and the Pirates)
- Campbell Singer (cast in 3 episodes, e.g. Joey in The Celestial Toymaker: The Celestial Toyroom)
- Abhishek Singh (cast as Little Boy in The Zygon Invasion)
- Gurmail Singh (cast as Lad in The Sound of Drums)
- Harjit Singh (cast in 4 episodes, e.g. Resistance Fighter in The Trial of a Time Lord (Mindwarp): Part Eight)
- Peter Singh (cast as Pie-man in Thin Ice)
- S Singh (cast as Press in The War Machines: Episode 1)
- Laura Singleton (cast in 4 episodes, e.g. Celebrant in Big Finish: God Among Us - Part 1: Future Pain)
- Valarie Singleton (cast as Self in Factual: Archive Documentaries: Cortez and Montezuma)
- Paul Sirgis (cast as Estate Resident in The Christmas Invasion)
- Peggy Sirr (cast in 4 episodes, e.g. Chinese Villager in Marco Polo: Five Hundred Eyes)
- Keith Sissons (cast as Hellicopter Pilot in Fury From the Deep: Episode 6)
- Jamie Sives (cast as Captain Reynolds in Tooth and Claw)
- Claire Skelcey (cast as River Song in Let's Kill Hitler)
- Gareth Skelding (cast in 3 episodes, e.g. Self in Factual: Stage Fright)
- Badger Skelton (cast as Perry in Thin Ice)
- Roy Skelton (cast in 61 episodes, e.g. Monoid in The Ark: The Return)
- Rob Skidmore (cast in 2 episodes, e.g. Passer By in The Sound of Drums)
- Alison Skilbeck (cast as Deputy in Frontios: Part Three)
- Brenda Skilton (cast as London extra in Doctor Who And The Silurians: Episode 6)
- Kerry Skinne (cast as Cochrane in Big Finish: Nekromanteia)
- Andy Skinner (cast as (extra) in Aliens of London)
- Caroline Skinner (cast in 3 episodes, e.g. Self in Factual: The First Doctor)
- Catherine Skinner (cast in 5 episodes, e.g. Cherryanne in Big Finish: The Entropy Plague)
- Claire Skinner (cast as Madge Arwell in The Doctor, The Widow and the Wardrobe)
- Corrine Skinner (cast in 4 episodes, e.g. Technician (inferno Project) in Inferno: Episode 1)
- David Skinner (cast in 2 episodes, e.g. (extra) in Remembrance of the Daleks: Part One)
- Frank Skinner (cast in 11 episodes, e.g. Self in Doctor Who (Miscellaneous): The Five(ish) Doctors Reboot)
- Hugh Skinner (cast in 6 episodes, e.g. Theon in Big Finish: Missing Persons: The Winning Side)
- Keith Skinner (cast as Rondel in Vengeance on Varos: Part One)
- Kerry Skinner (cast in 2 episodes, e.g. Lake in Big Finish: ID / Urgent Calls: I.D.)
- Mike Skinner (cast as Security Guard in The Time of Angels)
- Raoul Skinner (cast as Alien Guard in The War Games: Episode Seven)
- Robert Skinner (cast in 3 episodes, e.g. Working class man in The Next Doctor)
- Sherene Skinner (cast in 2 episodes, e.g. Neighbour in The End of Time: Part One)
- Robert Skipmore (cast as Pedestrian in The Runaway Bride)
- Susan Skipper (cast as 'Heroine' in The Armageddon Factor: Part One)
- Poppie Skold (cast in 2 episodes, e.g. Patient in New Earth)
- Anthony Skrimshire (cast as Stunts in The Giggle)
- Andrew Slade (cast as Worker in Corridor in The Sontaran Stratagem)
- George Slade (cast as School Child in The Day of The Doctor)
- Jennie Slade (cast in 4 episodes, e.g. Red Kang in Paradise Towers: Part One)
- Owen Slade (cast as School Child in The Day of The Doctor)
- Paul Slade (cast as Cyberman in Factual: 30 Years In The TARDIS)
- Elisabeth Sladen (cast in 179 episodes, e.g. Sarah Jane Smith in The Time Warrior: Part One)
- Nigel Slarke (cast as Passer in Deep Breath)
- Debbi Slater (cast as Self in Factual: Desert Storm)
- Derrick Slater (cast in 3 episodes, e.g. Security Guard in The Seeds of Death: Episode Four)
- Simon Slater (cast in 13 episodes, e.g. Edwardes in The Trial of a Time Lord (Terror of the Vervoids): Part Nine)
- Tony Slater (cast as Executive Minion in Dalek)
- Jackie Slaughter (cast as Lady (Court of King John) in The King's Demons: Part One)
- John Slavid (cast in 2 episodes, e.g. Officer in The Massacre: Bell of Doom)
- Jane Slavin (cast in 33 episodes, e.g. Onya in Doctor Who (Miscellaneous): The Paradise Of Death: Episode Five)
- William Sleigh (cast as Galloway in Resurrection of the Daleks: Part One)
- Gerald Sleith (cast in 2 episodes, e.g. Father Christmas in The End of Time: Part One)
- Timothy Slender (cast as Schoolboy in Mawdryn Undead: Part Two)
- Michael Sliwoski (cast as (extra) in The Invasion of Time: Part One)
- Carol Sloman (cast as Talia/ Computer in Big Finish: Zaltys)
- Jos Slovick (cast as Messenger in The Power of the Doctor)
- John Small (cast in 4 episodes, e.g. Hyperion Crew in The Trial of a Time Lord (Terror of the Vervoids): Part Twelve)
- Liz Small (cast as African King Wives Entourage in Time Heist)
- Peter Small (cast in 4 episodes, e.g. Minister in The Sound of Drums)
- Sharon Small (cast as Jeannie/Janet in Big Finish: The Revenants)
- Andy J Smart (cast in 5 episodes, e.g. Rory Williams in Let's Kill Hitler)
- Bakari Smart (cast as Leo's baby in Smith and Jones)
- Frederick Smart (cast in 2 episodes, e.g. Dignitary in Robot Of Sherwood)
- Patsy Smart (cast as Ghoul in The Talons of Weng-Chiang: Part One)
- Sarah Smart (cast in 5 episodes, e.g. Jennifer in The Rebel Flesh)
- Steve Smart (cast in 4 episodes, e.g. UNIT Soldier in The Claws of Axos: Episode One)
- Nicolle Smartt (cast as Receptionist in The Husbands of River Song)
- Derek Smee (cast in 2 episodes, e.g. Ransome in Spearhead From Space: Episode 3)
- Michael Smiley (cast as Colonel Morgan Blue in Into the Dalek)
- ichael Smiley (cast as Seedleson in Big Finish: Creatures of Beauty)
- Adam Smith (cast in 2 episodes, e.g. Self in Factual: Eyes Wide Open)
- Adam Smith (cast in 4 episodes, e.g. School Boy in Human Nature)
- Anderson Smith (cast in 3 episodes, e.g. Savage in The Savages: Episode 2)
- Andrew Smith (cast as Android in The Caves of Androzani: Part Four)
- Anjela Lauren Smith (cast in 4 episodes, e.g. Genevieve in Big Finish: Rage of the Time Lords: The Survivor)
- Arthur Smith (cast as Clarrie in Big Finish: The Kingmaker)
- Aysha Smith (cast in 2 episodes, e.g. Student in The Sontaran Stratagem)
- Barry Smith (cast in 6 episodes, e.g. Spider in Planet of the Spiders: Part Three)
- Benjamin Smith (cast as Luke in School Reunion)
- Bill Smith (cast in 4 episodes, e.g. Townsfolk in The Gunfighters: A Holiday for the Doctor)
- Caitlyn Smith (cast as Susie Fontana Brooke in The Waters of Mars)
- Caroline Smith (cast in 5 episodes, e.g. Passer By in The Crimson Horror)
- Charlie Smith (cast in 2 episodes, e.g. Cyberman in Nightmare in Silver)
- Dave Smith (cast in 2 episodes, e.g. Soldier (Scotland) in Tooth and Claw)
- Derek Smith (cast as Doorman in Human Nature)
- Dot Smith (cast in 9 episodes, e.g. Resident in Army of Ghosts)
- Elisabeth Smith (cast as Nurse Pinto in The Faceless Ones: Episode 5)
- Ella Smith (cast in 4 episodes, e.g. Medusa in Big Finish: The War Master: Escape from Reality: The Wrath of Medusa)
- Eric Smith (cast in 4 episodes, e.g. Thal in The Daleks: The Escape)
- Ernest Smith (cast in 2 episodes, e.g. 2nd Man in The Massacre: Priest of Death)
- Ethan Smith (cast as Scared Man's Son (Simon) in The Stolen Earth)
- Fred Smith (cast as Patient in New Earth)
- Gai Smith (cast in 5 episodes, e.g. Presta in The Invasion of Time: Part Three)
- Gary Smith (cast in 5 episodes, e.g. Quark in The Dominators: Episode 2)
- Gillian Smith (cast as Child in market in The Romans: The Slave Traders)
- Graeme Smith (cast as Jason in Stageshows: The Ultimate Adventure)
- Graham Smith (cast in 3 episodes, e.g. Congregation in The Crimson Horror)
- Gwen Smith (cast as Resident in Army of Ghosts)
- Hannah Smith (cast in 15 episodes, e.g. Lomar in Big Finish: The Dark Flame)
- Harry Smith (cast as Additional Voices in Big Finish: Kingdom Of Lies)
- Ian Smith (cast in 3 episodes, e.g. UNIT Soldier in Spearhead From Space: Episode 3)
- James Smith (cast as Passer in Dark Water)
- Joe Wiltshire Smith (cast in 4 episodes, e.g. Pods in Big Finish: The Lives of Captain Jack: The Year After I Died)
- John Smith (cast as Soldier in The Doctor's Daughter)
- Jonnie Smith (cast in 4 episodes, e.g. Tim in Big Finish: God Among Us - Part 1: Future Pain)
- Kay-D Smith (cast as Policewoman in Boom Town)
- Kim Angela Smith (cast as Passenger/Passerby in Boom Town)
- Lauren Smith (cast as Guest in The End of Time: Part Two)
- Maisie Smith (cast as Self in Factual: Doctor Who Live: The Next Doctor)
- Marie Claire Smith (cast as Sisters in The Fires of Pompeii)
- Marlyn Smith (cast as Passer By in Love & Monsters)
- Martyn Smith (cast as Student in Last of the Time Lords)
- Matt Smith (cast in 126 episodes, e.g. The Doctor in The End of Time: Part Two)
- Mike Smith (cast in 3 episodes, e.g. Dr. Who in Fury From the Deep: Episode 6)
- Mike Smith (cast in 3 episodes, e.g. Doctor Constantine in The Empty Child)
- Muriel Smith (cast in 2 episodes, e.g. Audience in The Shakespeare Code)
- Neville Smith (cast as D'Argenson in The Reign Of Terror: A Land of Fear)
- Nicholas Smith (cast in 3 episodes, e.g. Wells in The Dalek Invasion of Earth: The End of Tomorrow)
- Oliver Smith (cast in 4 episodes, e.g. Drak in The Twin Dilemma: Part One)
- Paul Smith (cast in 2 episodes, e.g. (extra) in The Power of Kroll: Part One)
- Phil Smith (cast as Policeman/Paramedics in Boom Town)
- Rachel Smith (cast as Passer By in Boom Town)
- Robert Smith (cast as Passer in Dark Water)
- Roderick Smith (cast in 2 episodes, e.g. Cruikshank in The Invisible Enemy: Part Two)
- Roger Smith (cast as Man at Window in The Angels Take Manhattan)
- Rosemary Smith (cast in 3 episodes, e.g. Townswoman in Castrovalva: Part Three)
- Sheridan Smith (cast in 37 episodes, e.g. Lucie Miller in Big Finish: Blood of the Daleks)
- Stephen Smith (cast as Android in The Caves of Androzani: Part Four)
- Steve Smith (cast as Horrified Beautiful Guest in The Lazarus Experiment)
- Stuart Smith (cast in 2 episodes, e.g. (extra) in Remembrance of the Daleks: Part One)
- Tiffany Smith (cast as Pilgrim in The Crimson Horror)
- Tom Smith (cast as The Host in Tooth and Claw)
- Joanna Smithers (cast as Woman in Square in The Myth Makers: Small Prophet, Quick Return)
- Karen Smithson (cast as Stunts in Class: Co-Owner Of A Lonely Heart)
- Lisa Smoult (cast as European Business Flight Passenger in The Bells of Saint John)
- Robert Smythe (cast in 17 episodes, e.g. Gun-Runner in The Caves of Androzani: Part Three)
- James Snell (cast in 2 episodes, e.g. Harry in The Dæmons: Episode One)
- Tony Snell (cast in 15 episodes, e.g. Levithian Guard in The Ribos Operation: Part One)
- Tony Snoaden (cast as Self in Related Items: Television Club: Putting On A Show (2))
- Andy Snowball (cast as Two in Big Finish: The Abandoned)
- Mark Snowden (cast in 2 episodes, e.g. European Business Flight Passenger in The Bells of Saint John)
- Mark Snowdon (cast as Security Check Guard in Time Heist)
- Clem So (cast in 10 episodes, e.g. Warlord in Asylum of the Daleks: Pond Life)
- Zeb Soanes (cast as The Librarian in Big Finish: The Unbound Universe: The Library In The Body)
- Robin Soans (cast in 5 episodes, e.g. Luvic in The Keeper of Traken: Part One)
- Beverley Soar (cast as Passer in Deep Breath)
- Katy Sobey (cast in 4 episodes, e.g. Veeda in Big Finish: The Time War: The Starship of Theseus)
- Abimbola Sodeke (cast as Tourist/Londoner in The Bells of Saint John)
- Mark Soffe (cast in 2 episodes, e.g. Photographer in The Lazarus Experiment)
- Bindya Solanki (cast in 3 episodes, e.g. Soldier in Genesis of the Daleks: Part One)
- Mohamed Soliman (cast as Arab King Entourage in Time Heist)
- Chloe Sollis (cast as Child in The Caretaker)
- lenez Soloman (cast as Little Girl in The Power Of Three)
- Ewen Solon (cast in 8 episodes, e.g. Chal in The Savages: Episode 1)
- Laura Solon (cast as Selta in Big Finish: Orbis)
- Venice Van Someren (cast in 11 episodes, e.g. Nim in Big Finish: The Time War - Series 3: State of Bliss)
- Gareth Somers (cast as NNYPD Cop in New Earth)
- Sue Somerset (cast in 4 episodes, e.g. Day Maid in Ghost Light: Part One)
- Eddie Sommer (cast in 6 episodes, e.g. Mutt in The Mutants: Episode Three)
- Vinod Soni (cast as Businessman in The Bells of Saint John)
- Luke Sorba (cast as N'Jok Barnes/Newsreader in Big Finish: Venus Mantrap)
- Vivianne Sorrel (cast as Fatima in The Crusade: The Warlords)
- Nina Sosany (cast as Captain Anna Maynard in Big Finish: Aquitaine)
- Nina Sosanya (cast as Trish Webber in Fear Her)
- Byron Sotiris (cast as Critas in Enlightenment: Part Two)
- Luis Soto (cast as Velez in Big Finish: Point of Entry)
- John Souith (cast as Dancer in Black Orchid: Part Two)
- Ross Southard (cast as Self in Factual: Heartbreak Hotel)
- Barbara Southcott (cast as Self in Factual: Desert Storm)
- Derek Southern (cast in 9 episodes, e.g. Mentiad in The Pirate Planet: Part One)
- Victoria Southgate (cast as Chorus Girl in Daleks in Manhattan)
- Jordon Southwell (cast as Urchin in The Next Doctor)
- John Sowerbutt (cast in 2 episodes, e.g. Muto in Genesis of the Daleks: Part One)
- Peter Sowerbutt (cast as Clovis in Big Finish: The Holy Terror)
- Peter Sowerbutts (cast in 8 episodes, e.g. Lawrence in Big Finish: The Mind's Eye: Mission of the Viyrans)
- John Spadbury (cast in 3 episodes, e.g. Cyberman in The Invasion: Episode Six)
- Cerys Spake (cast as Lunchbox Child in The Wedding of River Song)
- Anthony Spargo (cast in 10 episodes, e.g. Dalek Operator in Army of Ghosts)
- Jeany Spark (cast in 8 episodes, e.g. Florence Nightingale in Big Finish: The Angel of Scutari)
- Steve Sparling (cast in 4 episodes, e.g. Alphan Servant in The Trial of a Time Lord (Mindwarp): Part Eight)
- Paul Sparrowham (cast in 17 episodes, e.g. Additional Dialogue in Rose)
- Stephen Sparshatt (cast in 2 episodes, e.g. (extra) in The Curse of Fenric: Part One)
- Colin Spaull (cast in 8 episodes, e.g. Mr. Crane in Rise of the Cybermen)
- Bernard Spear (cast as Man with Carrier Bag in Aaru Movies: Daleks' Invasion Earth 2150 A.D.)
- Wendy Spear (cast in 2 episodes, e.g. (extra) in The Curse of Fenric: Part One)
- Gayle Spedding (cast as ADR in The Shakespeare Code)
- Stephen Speed (cast in 3 episodes, e.g. Tractator in Frontios: Part Two)
- Glenn Speers (cast as Sergeant Major Peach in Empress Of Mars)
- Gladys Spencer (cast in 2 episodes, e.g. High Minister's Voice in The Ark In Space: Part One)
- Jamie Spencer (cast as Floor Zero Crew in The Parting of the Ways)
- Jonathan Spencer (cast as Tony in Torchwood: The Middle Men)
- Roy Spencer (cast in 8 episodes, e.g. Manyak in The Ark: The Steel Sky)
- David Spenser (cast in 6 episodes, e.g. Thonmi in The Abominable Snowmen: Episode One)
- Toby Sperring (cast in 4 episodes, e.g. Worker in The Long Game)
- Timothy Speyer (cast in 16 episodes, e.g. Kruger in Big Finish: Agents of Chaos: The Shadow Vortex)
- Michael Spice (cast in 8 episodes, e.g. Morbius in The Brain of Morbius: Part Two)
- David Spicer (cast in 3 episodes, e.g. (extra) in Battlefield: Part One)
- Ellie Spicer (cast as Anneke Wills in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Steve Spiers (cast in 2 episodes, e.g. Strickland in Aliens of London)
- Hugh Spight (cast in 8 episodes, e.g. Dalek Operator in Remembrance of the Daleks: Part One)
- Jonathan Spiller (cast as Adipose Worker in Partners in Crime)
- Samantha Spiro (cast as Hazran in The Doctor Falls)
- Andrew James Spooner (cast in 2 episodes, e.g. Panpipe / Whydini / Ragnarok God in Big Finish: The Psychic Circus: Big Finish)
- Erika Spotswood (cast as Tharil in Warriors' Gate: Part Three)
- John Spradbury (cast in 9 episodes, e.g. Foot Soldier in The War Games: Episode Three)
- Elizabeth Spriggs (cast in 3 episodes, e.g. Tabby in Paradise Towers: Part One)
- Mark Spriggs (cast as Village Dancer in Human Nature)
- Maurice Spring (cast in 3 episodes, e.g. Peasant in Robot Of Sherwood)
- Mark Springer (cast as Christian in The Time of Angels)
- Sam Spruell (cast in 5 episodes, e.g. Swarm in The Halloween Apocalypse: Flux: Chapter One)
- Robin Squire (cast in 10 episodes, e.g. TV Cameraman in The Dæmons: Episode One)
- Tony Squire (cast in 2 episodes, e.g. Base Guard in Dalek)
- William Squire (cast in 4 episodes, e.g. The Shadow in The Armageddon Factor: Part Three)
- Roger Squires (cast in 3 episodes, e.g. (extra) in Robot: Part One)
- Kalungi Ssebandeke (cast as Nate in Smile)
- Raymon St Clair (cast as Taran Noble in The Androids of Tara: Part Two)
- Louis St Juste (cast in 8 episodes, e.g. Slave in Destiny of the Daleks: Episode Three)
- Maureen St Louis (cast as Merchandani Grandma in Turn Left)
- Paul St. Clair (cast as Alien Technician in The War Games: Episode Three)
- Pam St. Clement (cast as Pat Butcher in Doctor Who (Miscellaneous): Dimensions In Time: Part One)
- Trevor St. John Hacker (cast in 4 episodes, e.g. Nimon in The Horns of Nimon: Part Three)
- Jean St. Louis (cast as Prisoner in Frontier In Space: Episode Three)
- Lizzie Stables (cast in 8 episodes, e.g. Vara / Norei in Big Finish: UNIT: Revisitations: Hosts of the Wirrn 1)
- Maggie Stables (cast in 34 episodes, e.g. Evelyn Smythe in Doctor Who (Miscellaneous): Real Time: Episode Six)
- David Stacey (cast as Driver in Dark Water)
- Neil Stacy (cast as Major Haggard in Big Finish: The Emerald Tiger)
- Mark Stadden (cast as Male Diner in Let's Kill Hitler)
- Sam Stafford (cast in 4 episodes, e.g. The Devil in Big Finish: The War Master: Escape from Reality: The Wrath of Medusa)
- Graham Stagg (cast in 6 episodes, e.g. Knight (King John) in The King's Demons: Part One)
- Amanda Stahl (cast in 3 episodes, e.g. European Business Flight Passenger in The Bells of Saint John)
- John Stahl (cast in 9 episodes, e.g. Whitenoise in Big Finish: Red)
- Michael Stainer (cast in 2 episodes, e.g. UNIT Soldier in The Claws of Axos: Episode Three)
- Andrew Staines (cast in 8 episodes, e.g. Keaver in Planet of the Spiders: Part One)
- Kiruna Stamell (cast as Eliza Jenkins in Big Finish: Classic Doctors, New Monsters (Volume One): Judoon in Chains)
- Will Stampe (cast as 1st Man in The Massacre: Priest of Death)
- Henry Stamper (cast as Anton in The Enemy of the World: Episode 1)
- Jacqueline Stanbury (cast as Mary in The Time Warrior: Part One)
- Clive Standen (cast in 3 episodes, e.g. Private Harris in The Sontaran Stratagem)
- Hayley Jayne Standing (cast as Cathy in Big Finish: The Peterloo Massacre)
- Jo Standing (cast as Whistle Lady in The Runaway Bride)
- John Standing (cast in 2 episodes, e.g. Professor Threadstone in Big Finish: Vampire of the Mind)
- Jessica Stanley-Clarke (cast as Jessie in The Green Death: Episode Three)
- Dennis Stanley (cast as Soldier (Redcoat) in The Highlanders: Episode 3)
- Norman Stanley (cast as Telephone Mechanic in Terror of the Autons: Episode Three)
- Pete Stanness (cast as Commuters/Bystanders in Partners in Crime)
- Paulette Stansbie (cast as Lady in The Unquiet Dead)
- Barry Stanton (cast in 4 episodes, e.g. Noma in The Twin Dilemma: Part One)
- Charlie Stanton (cast as Press Photographer in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Christopher Stanton (cast as Male Diner in Let's Kill Hitler)
- Melissa Stanton (cast in 2 episodes, e.g. Patient in New Earth)
- Peter Stanton (cast as Military Chauffeur in The War Games: Episode Two)
- Roy Stanton (cast in 2 episodes, e.g. Soldier in The War Machines: Episode 4)
- Valerie Stanton (cast in 8 episodes, e.g. Citizen of Millennius in The Keys of Marinus: Sentence of Death)
- Simon Stapely (cast as City Gent in The Invasion: Episode Six)
- Ian Staples (cast in 2 episodes, e.g. Soldier in The Caves of Androzani: Part Four)
- Nicola Stapleton (cast as Mandy Salter in Doctor Who (Miscellaneous): Dimensions In Time: Part Two)
- Rhianne Starbuck (cast in 2 episodes, e.g. Sharon in Big Finish: The Comic Strip Adaptations Volume 01: Doctor Who and the Iron Legion)
- Douglas Stark (cast in 11 episodes, e.g. Soldier in The Caves of Androzani: Part Two)
- Nigel Starke (cast as Zombie in The Unquiet Dead)
- Bill Starkey (cast in 3 episodes, e.g. Xeron in The Space Museum: The Search)
- Dan Starkey (cast in 124 episodes, e.g. Commander Skorr in The Sontaran Stratagem)
- Carol Starks (cast in 4 episodes, e.g. Slink in Big Finish: Graceless IV: The Bomb)
- Amy Starling (cast as Waitress in Torchwood: Random Shoes)
- Ringo Starr (cast as Self in The Chase: The Executioners)
- Samantha Starr (cast as Kitchen Staff in Voyage of the Damned)
- Tony Starr (cast in 19 episodes, e.g. Vargas in Mission to the Unknown)
- Paul Starsky (cast in 4 episodes, e.g. Patient in New Earth)
- Owen Staton (cast as Trooper in Doomsday)
- Rebekah Staton (cast in 3 episodes, e.g. Jenny in Human Nature)
- Owen Stators (cast as Usher in The Runaway Bride)
- Imelda Staunton (cast as Voice of Interface in The Girl Who Waited)
- Nick Staverson (cast in 4 episodes, e.g. Outler in Full Circle: Part One)
- Helen Steadman (cast in 2 episodes, e.g. Pedestrian in The Runaway Bride)
- Sheila Steafel (cast as Young Woman in Aaru Movies: Daleks' Invasion Earth 2150 A.D.)
- Barry Stearn (cast in 2 episodes, e.g. (extra) in The Power of Kroll: Part One)
- Duncan Steed (cast as Lab Worker in The Power Of Three)
- Jack Steed (cast in 2 episodes, e.g. Sontaran in The Sontaran Stratagem)
- Maggie Steed (cast as Madamme Rana Zandusia in Big Finish: Mission to Magnus)
- Trevor Steedman (cast in 4 episodes, e.g. Man at Arms (Court of King John) in The King's Demons: Part Two)
- Andrew Steele (cast as Boiler Suited Technician in Death in Heaven)
- Hamish Steele (cast as Digger in Big Finish: Missing Persons: Big Dig)
- Hannah Steele (cast in 2 episodes, e.g. Vampire Girl in The Vampires of Venice)
- Riann Steele (cast as Queen Nefertiti in Dinosaurs on a Spaceship)
- Richard Steele (cast in 5 episodes, e.g. Sergeant Hart in Doctor Who And The Silurians: Episode 4)
- Rob Steele (cast as Student in The Sontaran Stratagem)
- Sylvia Steele (cast as Gond in The Krotons: Episode One)
- Tilly Steele (cast as Willa Twiston in The Witchfinders)
- Sam Steeper (cast in 3 episodes, e.g. German soldier in Let's Kill Hitler)
- Matt Steer (cast in 4 episodes, e.g. Smitty in Big Finish: Jago & Litefoot Series 01: The Bloodless Soldier)
- Sarah Jane Steer (cast as (extra) in Planet of the Spiders: Part One)
- Sam Stefan (cast in 3 episodes, e.g. Stunts in Class: For Tonight We Might Die)
- Samuel Stefan (cast as Stunts in Twice Upon A Time)
- Aled ap Steffan (cast as Grey in Big Finish: Believe)
- Rebecca Van Stein (cast as Pilgrim in The Snowmen)
- Sandy Stein (cast as Waxworks Visitor / Auton Replica in Spearhead From Space: Episode 4)
- Eric Steinberg (cast as Zheng Yibao in Torchwood: The Middle Men)
- Helen Steinway-Bailey (cast as Stunts in Amy's Choice)
- Sam Stennett (cast in 2 episodes, e.g. Visitor in New Earth)
- Peter Stenson (cast in 4 episodes, e.g. Voord in The Keys of Marinus: The Sea of Death)
- Christine Stephen-Daly (cast in 2 episodes, e.g. Miss Myers in The Sarah Jane Adventures: Sky: Episode One)
- StephenChance (cast as General Markwood in Big Finish: The Lost Museum)
- Barry Stephens (cast as IMC Guard in Colony In Space: Episode Six)
- Beverley Stephens (cast as Person in Square in The Myth Makers: Horse of Destruction)
- Christopher Stephens (cast as Crowd (Ancient Troy) in The Myth Makers: Horse of Destruction)
- Clark Stephens (cast in 6 episodes, e.g. Citizen in Full Circle: Part Two)
- David Stephens (cast in 3 episodes, e.g. Male Cleric in A Good Man Goes to War)
- Jonty Stephens (cast as Paravatar in Big Finish: 1963: Fanfare for the Common Men)
- Mike Stephens (cast in 8 episodes, e.g. Stunt Man in The Sea Devils: Episode One)
- P G Stephens (cast in 3 episodes, e.g. Sean in The Underwater Menace: Episode 2)
- Pat Stephens (cast as Person in Square in The Myth Makers: Horse of Destruction)
- Peter Stephens (cast in 5 episodes, e.g. Knave of Hearts in The Celestial Toymaker: The Hall of Dolls)
- Stewart Stephens (cast in 2 episodes, e.g. IMC Guard in Colony In Space: Episode Three)
- Tallulah Stephens (cast as Child in The Day of The Doctor)
- Anna Stephenson (cast in 2 episodes, e.g. Stunts in Class: Co-Owner Of A Lonely Heart)
- Alison Sterling (cast in 2 episodes, e.g. Various in Big Finish: The Natural History of Fear)
- Mark Sterling (cast as Pedestrian in The Runaway Bride)
- David Sterne (cast in 5 episodes, e.g. Oblong in Big Finish: Graceless IV: The Bomb)
- Gordon Sterne (cast in 2 episodes, e.g. Heldorf in The Ambassadors of Death: Episode 3)
- Darren Steven (cast in 2 episodes, e.g. Crowd in Rise of the Cybermen)
- Cara Stevens (cast in 5 episodes, e.g. Woman in Square in The Myth Makers: Small Prophet, Quick Return)
- Chris Stevens (cast in 3 episodes, e.g. Ogron in Frontier In Space: Episode Six)
- Dan Stevens (cast as Rick ausGarten in Big Finish: The Cradle of the Snake)
- Jason Stevens (cast in 3 episodes, e.g. Thug in The Idiot's Lantern)
- Lucy Stevens (cast as Passer in Dark Water)
- Malcolm Stevens (cast in 2 episodes, e.g. Irongron's Soldier in The Time Warrior: Part Two)
- Maureen Stevens (cast in 3 episodes, e.g. Visitor (Argolis) in The Leisure Hive: Part One)
- Melanie Stevens (cast in 6 episodes, e.g. Dr. Larsen in Big Finish: Outbreak)
- Michael Fenton Stevens (cast as Brooks in Big Finish: The Raincloud Man)
- Michael Stevens (cast as Soldier (Aincent Earth) in The Myth Makers: Temple of Secrets)
- Michael Stevens (cast as Self in Factual: Dr. Forever!: Celestial Toyroom)
- Mike Stevens (cast in 12 episodes, e.g. Stunt UNIT Soldier in The Ambassadors of Death: Episode 7)
- Nigel Stevens (cast in 2 episodes, e.g. (extra) in Robot: Part One)
- Rhett Stevens (cast in 4 episodes, e.g. Worker (Mysterious PLanet) in The Trial of a Time Lord (The Mysterious Planet): Part One)
- Robbie Stevens (cast in 20 episodes, e.g. Niles Bunbury/Frank Lewis in Big Finish: We Are The Daleks)
- Roy Stevens (cast as Guard (Fury from the Deep) in Fury From the Deep: Episode 5)
- Sam Stevens (cast in 5 episodes, e.g. Doggles in Big Finish: Summer of Love)
- obbie Stevens (cast as Polsbroek/Nix in Big Finish: The Waters of Amsterdam)
- Jessica Stevenson (cast as Glory Bee / Carla / Women in Big Finish: Invaders from Mars)
- Lawrence Stevenson (cast as Soldier Number 1 in Turn Left)
- Scott Stevenson (cast in 9 episodes, e.g. Submariner in Cold War)
- Marvin Stewart-Campbell (cast as Stunts in The Woman Who Fell to Earth)
- Nathan Stewart-Jarrett (cast as Leo Rugazzi in Revolution of the Daleks)
- Belinda Stewart-Wilson (cast in 2 episodes, e.g. Overton in Big Finish: Who Killed Toby Kinsella?)
- Audrey Stewart (cast as Airport Personnel in The Faceless Ones: Episode 5)
- Blair Stewart (cast in 2 episodes, e.g. Guard at Kanowa in The Enemy of the World: Episode 5)
- Cameron Stewart (cast in 3 episodes, e.g. Major Thessinger in Big Finish: The First Sontarans)
- Catrin Stewart (cast in 25 episodes, e.g. Jenny Flint in A Good Man Goes to War)
- Charles Stewart (cast in 2 episodes, e.g. Logopolitan in Logopolis: Part Two)
- Jasmine M Stewart (cast in 3 episodes, e.g. The Mayor in Big Finish: Class - Volume One: Gifted)
- Jeffrey Stewart (cast in 2 episodes, e.g. Dukkha in Kinda: Part One)
- Kerry Joy Stewart (cast in 9 episodes, e.g. Maddy in Big Finish: Aliens Among Us - Part 2: Love Rat)
- Lianna Stewart (cast in 2 episodes, e.g. Sanctuary Base Guard in The Impossible Planet)
- Marshall Stewart (cast as ADR in Tooth and Claw)
- Michael Stewart (cast in 2 episodes, e.g. Police in Planet of the Dead)
- Peter Blair Stewart (cast in 2 episodes, e.g. Guard in The Seeds of Death: Episode Four)
- Peter Stewart (cast in 4 episodes, e.g. Policeman in The War Machines: Episode 1)
- Phoenix Stewart (cast in 2 episodes, e.g. Street Performer in The Bells of Saint John)
- Rosina Stewart (cast in 6 episodes, e.g. Citizen of Millennius in The Keys of Marinus: Sentence of Death)
- Roy Stewart (cast in 5 episodes, e.g. Strong Man in Terror of the Autons: Episode Two)
- Ruth Stewart (cast as Villager in The Awakening: Part Two)
- Salvin Stewart (cast in 4 episodes, e.g. Morok Guard in The Space Museum: The Search)
- Sara Stewart (cast as Computer Voice in The End Of The World)
- Verdi Stewart (cast in 4 episodes, e.g. Native (Mysterious Planet) in The Trial of a Time Lord (The Mysterious Planet): Part One)
- Jodie Stinchcombe (cast as Passer By in The Snowmen)
- Colin Stinton (cast as President Winters in The Sound of Drums)
- James Stirling Gillies (cast as Party Guest in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Matthew Stirling (cast in 2 episodes, e.g. Grayle in The Angels Take Manhattan)
- Pamela Stirling (cast in 2 episodes, e.g. Louvre Guide in City of Death: Part One)
- Rachael Stirling (cast in 7 episodes, e.g. Ada in The Crimson Horror)
- David Stock (cast in 12 episodes, e.g. Photographer in Asylum of the Daleks)
- Nigel Stock (cast in 3 episodes, e.g. Professor Hayter in Time-Flight: Part Two)
- Peter Stockbridge (cast in 2 episodes, e.g. Atlantean Priest in The Underwater Menace: Episode 1)
- Sam Stockman (cast as Co-Pilot in The Doctor, The Widow and the Wardrobe)
- Phil Stockton (cast in 2 episodes, e.g. Soldier in Army of Ghosts)
- Malcolm Stoddard (cast as Urtak in Big Finish: The Zygon Who Fell to Earth)
- FW Stoker (cast as Soldier (Smugglers) in The Smugglers: Episode 1)
- David Stokes (cast as Passenger/Passerby in Boom Town)
- Marquita Stokes (cast as Punter in The Bells of Saint John)
- Richard Stokes (cast in 2 episodes, e.g. Self in Factual: Welcome to Torchwood)
- Lisa Stokke (cast as Trine in It Takes You Away)
- Jennie Stoller (cast in 5 episodes, e.g. Madame Deuteronomy in Big Finish: Jago & Litefoot Series 02: Litefoot and Sanders)
- Jo Stone-Fewings (cast in 6 episodes, e.g. Davitch Pavale in Bad Wolf)
- Andy J Stone (cast as Stunts in Class: The Coach with the Dragon Tattoo)
- Chris Stone (cast in 2 episodes, e.g. Stuntman in Rose)
- Frog Stone (cast as Riva in Big Finish: Hour Of The Cybermen)
- Hannah Stone (cast as Child in The Caretaker)
- Kim Stone (cast in 3 episodes, e.g. Camper on Bus in Delta and the Bannermen: Part One)
- Michelle Stone (cast as UNIT Worker in The Stolen Earth)
- Paul Stone (cast in 2 episodes, e.g. Soldier in The Dæmons: Episode Three)
- Sophie Stone (cast in 2 episodes, e.g. Cass in Under the Lake)
- Steffan Stone (cast as Blue Staff in The End Of The World)
- Taliah Facey Stone (cast as Child in The Caretaker)
- John Stoner (cast as Knight (Court of King John) in The King's Demons: Part One)
- Kevin Stoney (cast in 22 episodes, e.g. Mavic Chen in The Daleks' Master Plan: The Nightmare Begins)
- Ed Stoppard (cast in 2 episodes, e.g. Sir Nicholas Asquin in Big Finish: The Beast Of Kravenos)
- Rob Storr (cast as Gavin in Torchwood: Day One)
- Gordon Stothard (cast in 20 episodes, e.g. Heavies in The Ambassadors of Death: Episode 3)
- Richard Stott (cast as Urchin in The Shakespeare Code)
- Dawn Stouffer (cast as Dr. Grace Holloway in The TV Movie)
- Tom Stourton (cast in 2 episodes, e.g. Lofty in The Girl Who Died)
- Anouska Strahnz (cast as Ulrika Ehrlich in The Waters of Mars)
- Zofia Strahnz (cast as Lisette Ehrlich in The Waters of Mars)
- Bill Straiton (cast in 6 episodes, e.g. Technician (Fury from the Deep) in Fury From the Deep: Episode 1)
- Mark Straker (cast as Second Trooper in Earthshock: Part One)
- Peter Straker (cast in 4 episodes, e.g. Commander Sharrel in Destiny of the Daleks: Episode One)
- Sylvia Strand (cast as (extra) in The Unquiet Dead)
- Bill Strange (cast as Alien Guard in The War Games: Episode Five)
- Daniel Strange (cast as Press Journalist in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Darren Strange (cast as Kendrick in Big Finish: The First Doctor Volume 01: The Sleeping Blood)
- Robert Strange (cast as Wrarth Warrior in The Star Beast)
- Donald Stratford (cast as (extra) in Robot: Part Three)
- Tina Stratford (cast in 3 episodes, e.g. Audience in The Sound of Drums)
- Jonathan Stratt (cast as Taxi Driver in Partners in Crime)
- John Stratton (cast in 3 episodes, e.g. Shockeye in The Two Doctors: Part One)
- Sonia Stratton (cast as Complex Personnel in The Hand Of Fear: Part Two)
- John Street (cast as Stunts in The Giggle)
- Judith Street (cast as Marcia in Fugitive of the Judoon)
- Roy Street (cast in 9 episodes, e.g. Stunt Motorcyclist in The Ambassadors of Death: Episode 2)
- Cameron Strefford (cast as Walter in The Snowmen)
- Charlotte Strevens (cast as Naras in Big Finish: Memories of a Tyrant)
- Mark Strickson (cast in 70 episodes, e.g. Turlough in Mawdryn Undead: Part One)
- Sebastian Stride (cast in 2 episodes, e.g. Crewman in Nightmare of Eden: Part Three)
- Paul Strike (cast as Servant in Tooth and Claw)
- David Strong (cast as Driver in Shada: Part One)
- James Strong (cast in 7 episodes, e.g. Self in Factual: You've Got the Look)
- Jordan Struel (cast as White Kid in The Idiot's Lantern)
- Sain Struel (cast as Crowd in The Age of Steel)
- Anthony Stuart-Hicks (cast as Management / Bert in Big Finish: Cold Vengeance)
- John Michael Stuart (cast as Guest in Voyage of the Damned)
- John Stuart (cast as Robed Figure in The Rescue: Desperate Measures)
- Ryan Stuart (cast as Stunts in Nightmare in Silver)
- Imogen Stubbs (cast in 4 episodes, e.g. Isabella Clerkwell in Big Finish: Diary of River Song: Series 1: The Boundless Sea)
- Una Stubbs (cast as Flo in Big Finish: Horror of Glam Rock)
- Amy Stuckey (cast in 2 episodes, e.g. Victorian Android Alien in Deep Breath)
- Neil Stuke (cast in 2 episodes, e.g. The Crooked Man in Big Finish: The Crooked Man)
- Andy Sturgess (cast as Cast in Factual: Comedy Sketches: The Corridor Sketch)
- Gareth Sturgess (cast as Panciking/Irate Person in Aliens of London)
- Vilma Stuttle (cast in 2 episodes, e.g. Townsfolk in The Gunfighters: Don't Shoot the Pianist)
- Gordon Styles (cast in 4 episodes, e.g. Public in Human Nature)
- Martha Stylianou (cast in 4 episodes, e.g. Red Kang in Paradise Towers: Part One)
- Dorothy Su (cast in 6 episodes, e.g. Crew of Wheel in The Wheel In Space: Episode 1)
- Bart Suavek (cast as Pavel in Knock Knock)
- David Suchet CBE (cast as The Landlord in Knock Knock)
- Lord Sugar (cast as Self in The Power Of Three)
- Alan Sugar (cast as Himself in The Power Of Three)
- Deana Suhanski (cast as Child in The Caretaker)
- Alan Sula (cast in 2 episodes, e.g. Doctor in The Empty Child)
- John Sulivan (cast as Bridge Crew in Voyage of the Damned)
- David Sulkin (cast in 2 episodes, e.g. Vogan in Revenge of the Cybermen: Part Two)
- Gregg Sulkin (cast in 2 episodes, e.g. Adam in The Sarah Jane Adventures: The Mad Woman in the Attic: Episode One)
- Gwynne Sullivan (cast in 2 episodes, e.g. Man at Arms (Court of King John) in The King's Demons: Part One)
- Hollie Sullivan (cast as Olivia York in Big Finish: The Middle)
- Kevin Sullivan (cast in 2 episodes, e.g. Chimney Sweep in The Talons of Weng-Chiang: Part One)
- Noel Sullivan (cast in 2 episodes, e.g. Jason in Big Finish: Beyond the Ultimate Adventure)
- Owain Sullivan (cast as Youth in School Reunion)
- Amita Suman (cast as Umbreen in Demons Of The Punjab)
- Ray Sumby (cast in 3 episodes, e.g. Citizen in Full Circle: Part One)
- Ben Summer (cast as Various in Big Finish: The Natural History of Fear)
- Lyn Summer (cast in 2 episodes, e.g. Body in Pallet in The Ark In Space: Part Three)
- Michael Summerfield (cast in 4 episodes, e.g. Hyperion Crew in The Trial of a Time Lord (Terror of the Vervoids): Part Twelve)
- Barry Summerford (cast in 31 episodes, e.g. Shada Prisoner in Shada: Part Five)
- Harvey Summers (cast as Radio Announcer in Big Finish: Whispers of Terror)
- Jon Summers (cast as Adipose Worker in Partners in Crime)
- Levi Summers (cast as Prisoner in Evolution of the Daleks)
- Lindsay Summers (cast as Pedestrian in The Runaway Bride)
- Ronan Summers (cast in 5 episodes, e.g. Hollisen Grier in Big Finish: The Third Doctor Adventures Volume 04: The Rise of the New Humans)
- Michael Summerton (cast in 4 episodes, e.g. Dalek Operator in The Daleks: The Survivors)
- David Sumner (cast in 2 episodes, e.g. Terileptil in The Visitation: Part Three)
- Donald Sumpter (cast in 12 episodes, e.g. Commander Ridgeway in The Sea Devils: Episode Three)
- Holly Surman (cast as Crowd in The Age of Steel)
- George Surrey (cast as Stunts in The Star Beast)
- Frank Sussman (cast as Rabble in The Romans: Inferno)
- Liz Sutherland-Lim (cast in 17 episodes, e.g. Daphne in Big Finish: Instant Karma)
- Leona Sutherland (cast in 2 episodes, e.g. (extra) in Night Terrors)
- Liz Sutherland (cast in 3 episodes, e.g. Alison Speers in Big Finish: Winter for the Adept)
- Sally Sutherland (cast as Woman Tourist in The Chase: Flight Through Eternity)
- Derek Suthern (cast in 22 episodes, e.g. Krarg in Shada: Part Four)
- Chris Sutton (cast as Chamberlain Man in The Shakespeare Code)
- Dom Sutton (cast as Technician in Into the Dalek)
- Phil Sutton (cast in 8 episodes, e.g. Patient in The Empty Child)
- Sarah Sutton (cast in 146 episodes, e.g. Nyssa in The Keeper of Traken: Part One)
- Simon Sutton (cast in 5 episodes, e.g. Lookout in Planet of Fire: Part One)
- Tim Sutton (cast in 3 episodes, e.g. Colville in Big Finish: The Girl Who Never Was)
- Timothy Sutton (cast as Mate/Sailor/Pirate in Big Finish: Doctor Who and the Pirates)
- Christian Svensson (cast as Chauffeur in Torchwood: Escape to L.A.)
- Carina Swaby (cast as Guest in The End of Time: Part Two)
- Melisa Swaby (cast as Guest in The End of Time: Part Two)
- Darren Swain (cast in 7 episodes, e.g. Dalek Operator in Asylum of the Daleks)
- Annie Swainson (cast in 2 episodes, e.g. Wedding Guest (Church) in Father's Day)
- Genevieve Swallow (cast as Susan in Big Finish: Deadline)
- Karen Swan (cast as Party Guests in The Idiot's Lantern)
- Chris Swann (cast in 2 episodes, e.g. Pedestrian in The Runaway Bride)
- Flik Swann (cast as Myrna in Daleks in Manhattan)
- Glynn Swee (cast as Harcross The Ever-Patient/Pheen-Tu/Flunkey in Big Finish: The Widow's Assassin)
- Faizal Sweeney (cast in 2 episodes, e.g. ISA Worker in Dinosaurs on a Spaceship)
- Ged Sweeney (cast as Self in Related Items: Doctor Who Mastermind)
- Jim Sweeney (cast in 3 episodes, e.g. Sergio in Doctor Who (Miscellaneous): The Ghosts of N Space: Episode Three)
- Sam Sweeney (cast as Sam in Class: The Lost)
- Adam Sweet (cast in 31 episodes, e.g. Scarecrow in Human Nature)
- Andrew Sweet (cast in 3 episodes, e.g. Doctor Simeon in The Snowmen)
- Andy Sweet (cast in 3 episodes, e.g. Doctor Simeon in The Name of the Doctor)
- Glynn Sweet (cast in 6 episodes, e.g. Paul Dessay in Big Finish: Wirrn Isle)
- Matthew Sweet (cast in 4 episodes, e.g. Self in Factual: Me, You and Doctor Who: a Culture Show Special)
- Kristi Swensson (cast as Woman in Torchwood: Rendition)
- Chloe Swift (cast in 2 episodes, e.g. Worker in The Long Game)
- Clive Swift (cast in 3 episodes, e.g. Bayldon Copper in Voyage of the Damned)
- Gavin Swift (cast in 12 episodes, e.g. Boris in Big Finish: Class - Volume One: Gifted)
- Genevieve Swift (cast in 3 episodes, e.g. Journo in The Christmas Invasion)
- Gerry Swift (cast as Paramedic in Silence in the Library)
- Harry Swift (cast as Private Robins in Doctor Who And The Silurians: Episode 5)
- Henry Swift (cast as Highlander in The Highlanders: Episode 3)
- Margaret Swift (cast as Crone in The Next Doctor)
- Rhys Swinburn (cast as John Tucker in Torchwood: Everything Changes)
- Steve Swinscoe (cast as Sniper in The Happiness Patrol: Part Two)
- Meera Syal (cast in 2 episodes, e.g. Nasreen Chaudhry in The Hungry Earth)
- Daisy Sydenham (cast in 2 episodes, e.g. Blonde Child in Rose)
- Julie Sydenham (cast as Mother in The End Of The World)
- Derek Sydney (cast in 4 episodes, e.g. Sevcheria in The Romans: The Slave Traders)
- Tom Sye (cast in 2 episodes, e.g. Passer By in The Massacre: War of God)
- Adam Sykes (cast as UNIT Soldier in The Power Of Three)
- John Sylvan (cast in 3 episodes, e.g. Rebel in State of Decay: Part One)
- Cleo Sylvestre (cast as Concubine in The Crusade: The Warlords)
- Pete Symmonds (cast in 4 episodes, e.g. Cyberman in Army of Ghosts)
- Joanne Symon (cast in 3 episodes, e.g. Shopper in The Christmas Invasion)
- Don Symonds (cast in 2 episodes, e.g. Slave/Prisoner in mine in The Dalek Invasion of Earth: The Waking Ally)
- Mandi Symonds (cast in 18 episodes, e.g. Lily Finnegan in Big Finish: Afterlife)
- Pete Symonds (cast in 8 episodes, e.g. Scarecrow in Human Nature)
- Peter Symonds (cast in 5 episodes, e.g. Soldier in Terror of the Zygons: Part Three)
- Dennis Symons (cast as Pirate in The Smugglers: Episode 1)
- Sylvia Syms (cast in 3 episodes, e.g. Mrs Pritchard in Ghost Light: Part One)
- Daisy Synenham (cast as Crowd Children in Fear Her)
- Danny Szam (cast as Surveillance Guy in Torchwood: The Gathering)