Doctor Who
Cast Roles: A
- A/B Girton (Rex Rowland in The Sea Devils: Episode Five)
- Aaron (5 episodes, e.g. Daniel Adegboyega in Resolution)
- Aaron Copley (Alan Dale in Torchwood: Reset)
- Aaron Keep (Paul Thornley in Big Finish: Absence)
- Abasi (Ivanno Jeremiah in Big Finish: Philip Hinchcliffe Presents: The Ghosts of Gralstead)
- Abatan (Kim Durham in Big Finish: The Ultimate Evil)
- Abbess, The (2 episodes, e.g. Audrey Ardington in The Sarah Jane Adventures: Eye of the Gorgon: Part One)
- Abbot Absolute (Art Malik in Big Finish: The Skull of Sobek)
- Abbot of Amboise (3 episodes, e.g. William Hartnell in The Massacre: The Sea Beggar)
- Abbot Thelonious (Graeme Garden in Big Finish: The Book of Kells)
- Abbotly (Brian Miller in Big Finish: Ghost Town)
- Abbott (David Purcell in The Hand Of Fear: Part One)
- Abbott, The (James Greene in The Bells of Saint John)
- Abby (13 episodes, e.g. Ciara Janson in Big Finish: Graceless I: The Sphere)
- Abby (4 episodes, e.g. Mimi Ndiweni in Oxygen)
- Abdul (2 episodes, e.g. Hemi Yeroham in The Church On Ruby Road)
- Abi Lerner (Vinette Robinson in 42)
- Abigail (Michelle Tate in The Crimson Horror)
- Abigail Holt (Lisa Bowerman in Big Finish: The First Doctor Volume 01: The Founding Fathers)
- Abigail Naismith (2 episodes, e.g. Tracy Ifeachor in The End of Time: Part One)
- Abigail Pettigrew (Katherine Jenkins in A Christmas Carol)
- Abigail Woburn (4 episodes, e.g. Elizabeth Counsell in Big Finish: Jago & Litefoot Series 04: Jago in Love)
- Able Seaman (2 episodes, e.g. Noel Fitzpatrick in Rise of the Cybermen)
- Able Seaman Phillips (4 episodes, e.g. Phil Mulryne in Big Finish: The Churchill Years (Volume One): The Oncoming Storm)
- Ablemarch (Everton Lawrence in Torchwood: Immortal Sins)
- Ablif (3 episodes, e.g. Ray Callaghan in The Invasion of Time: Part Three)
- Aboresh (Robert Glenister in Big Finish: Absolution)
- Aboriginal Dancer (8 episodes, e.g. Abi Couhard in Four To Doomsday: Part Two)
- Abraham (Alex Mallinson in Big Finish: A Thousand Tiny Wings)
- Abraham (Garrick Hagon in A Town Called Mercy)
- Abraham Lincoln (Robert Marsden in The Chase: The Executioners)
- Abramal (Rob Jarvis in The Time of the Doctor)
- Abraxis Security Voice (Becky Trotman in A Town Called Mercy)
- Abu (Terence Brown in The Krotons: Episode One)
- Academic (Claudia Blondeau in World War Three)
- Acanthus (4 episodes, e.g. John Montgomery in Big Finish: Epoch: The Kraken's Lament)
- Accra Reporter (Nana Amoo-Gottfried in In The Forest Of The Night)
- Ace (125 episodes, e.g. Sophie Aldred in Dragonfire: Part One)
- Acheron (Sam Kelly in Big Finish: Return to the Web Planet)
- Achilles (Cavan Kendall in The Myth Makers: Temple of Secrets)
- Acolyte (10 episodes, e.g. Peter Baldock in The Face of Evil: Part Four)
- Acolyte Farnsworth (Tom Webster in Big Finish: The Unbound Universe: The Library In The Body)
- Acomat (3 episodes, e.g. Philip Voss in Marco Polo: Five Hundred Eyes)
- Acting Chancellor Valyes (Steven Wickham in Big Finish: Insurgency)
- Ada (Rachael Stirling in The Crimson Horror)
- Ada Lovelace (5 episodes, e.g. Finty Williams in Big Finish: Fourth Doctor - The Syndicate Masterplan: Volume 1: The Sinestran Kill)
- Adam (2 episodes, e.g. Gregg Sulkin in The Sarah Jane Adventures: The Mad Woman in the Attic: Episode One)
- Adam (Stuart Piper in Big Finish: Sympathy for the Devil)
- Adam (Edmond Moulton in The Almost People)
- Adam (3 episodes, e.g. Brian Badcoe in Invasion of the Dinosaurs: Part Four)
- Adam (Christopher Allen in Big Finish: Many Happy Returns)
- Adam Colby (4 episodes, e.g. Edward Arthur in Image of the Fendahl: Part One)
- Adam Davies Sheenan (Adam Davies in The Snowmen)
- Adam Mitchell (6 episodes, e.g. Bruno Langley in Dalek)
- Adam Rigg (2 episodes, e.g. Iain Batchelor in Big Finish: The Third Doctor Adventures Volume 03: The Conquest of Far)
- Adam Smith (Bryan Dick in Torchwood: Adam)
- Adam's Mum (Judy Holt in The Long Game)
- Addams (2 episodes, e.g. Sinead Keenan in The End of Time: Part One)
- Additional Dialogue (17 episodes, e.g. Paul Sparrowham in Rose)
- Additional Voices (Harry Smith in Big Finish: Kingdom Of Lies)
- Adelaide (3 episodes, e.g. Annette Woollett in Horror of Fang Rock: Part Two)
- Adelaide Brooke (3 episodes, e.g. Lindsay Duncan in The Waters of Mars)
- Adelaide's Father (Charlie De'Ath in The Waters of Mars)
- Adelaine Dutemps (4 episodes, e.g. Rachael Stirling in Big Finish: Dark Eyes: 4: A Life in the Day)
- Adella (4 episodes, e.g. Camilla Power in Big Finish: Jago & Litefoot Series 10: The Case of the Missing Gasogene)
- Adella Franz Therian (4 episodes, e.g. Emily Woodward in Big Finish: Diary of River Song: Series 5: The Bekdel Test)
- Adeola (Freema Agyeman in Army of Ghosts)
- Adherent (Jamie Edgell in The End Of The World)
- Adherent (5 episodes, e.g. Michael Humphries in The End Of The World)
- Adipose Guard (Toby Sperring in Partners in Crime)
- Adipose Security Guard (Alex Lucas in Partners in Crime)
- Adipose Worker (31 episodes, e.g. Stephen Wright in Partners in Crime)
- Adjudicator/Vitali Semyonovitch Wolshkin/Glarva (Nigel Lamber in Big Finish: Thin Ice)
- Adjutant Commander Klath/Stettimer (John Banks in Big Finish: Terror of the Sontarans)
- Adlon (2 episodes, e.g. Leslie Meadows in Delta and the Bannermen: Part One)
- Administrator (Geoffrey Palmer in The Mutants: Episode One)
- Administrator David Isherwood (6 episodes, e.g. Christopher Scott in Doctor Who (Miscellaneous): Real Time: Episode Six)
- Administrator Isherwood (Christopher Scott in Big Finish: Real Time)
- Admiral Cheviat/Ed Byers/Roboman (Ian Brooker in Big Finish: Invasion of the Daleks)
- Admiral de Coligny (3 episodes, e.g. Leonard Sachs in The Massacre: The Sea Beggar)
- Admiral Dolne (Tim McInnern in Big Finish: The Well-Mannered War)
- Admiral Eno (4 episodes, e.g. Sasha Behar in Big Finish: Diary of River Song: Series 5: The Bekdel Test)
- Adolphus Caesar (2 episodes, e.g. Luke Franks in Big Finish: The Comic Strip Adaptations Volume 01: Doctor Who and the Iron Legion)
- Adonia/Lysistrata (Emily Tucke in Big Finish: Mask of Tragedy)
- ADR (328 episodes, e.g. Duncan Bett in The Unquiet Dead)
- Adrasta (4 episodes, e.g. Myra Frances in The Creature from the Pit: Part One)
- Adrian (10 episodes, e.g. Edward Harrison in The Caretaker)
- Adrian Wall (10 episodes, e.g. Harry Myers in Big Finish: The Stone's Lament)
- Adriana (2 episodes, e.g. Edyta Budnik in The Sarah Jane Adventures: The Man Who Never Was: Episode One)
- Adriana Jarsdel (4 episodes, e.g. Claire Wyatt in Big Finish: The Ninth Doctor Chronicles: The Bleeding Heart)
- Adric (61 episodes, e.g. Matthew Waterhouse in Full Circle: Part One)
- Adult Choir Member (3 episodes, e.g. Dominic Neville in The End of Time: Part One)
- Adult Civilian (26 episodes, e.g. Caroline Gill in The Day of The Doctor)
- Adult Dummy (2 episodes, e.g. Rachel Chambers in Rose)
- Advertising VO / Todd / Maran (4 episodes, e.g. Glen McCready in Big Finish: Shadow of the Daleks 2: Castle Hydra)
- Advisor (9 episodes, e.g. Ken Nazarin in The Mutants: Episode Six)
- Advisor Geoffrey Baxter (Ian Hilditch in The Christmas Invasion)
- Aeronwen (4 episodes, e.g. Natalie Gumede in Big Finish: The Time War - Series 3: State of Bliss)
- Aesino (5 episodes, e.g. Lisa Bowerman in Big Finish: Fractures)
- Aether Beauregarde (3 episodes, e.g. Anna Barry in )
- African King Customer (Charles Afele in Time Heist)
- African King Wives Entourage (2 episodes, e.g. Cynthia Newman in Time Heist)
- African Maid (2 episodes, e.g. Maxine Green in The Shakespeare Code)
- African Man Customer (Maurice Spring in Time Heist)
- Afrid (Dominic Thornburn in Big Finish: We Are The Daleks)
- Agamemnon (3 episodes, e.g. Francis de Wolff in The Myth Makers: Temple of Secrets)
- Agatha (4 episodes, e.g. Nancy Carroll in Big Finish: Jago & Litefoot Series 06: The Skeleton Quay)
- Agatha / Teuthis / Margareta (4 episodes, e.g. Kate Harbour in )
- Agatha Christie (2 episodes, e.g. Fenella Woolgar in The Unicorn and the Wasp)
- Agella (4 episodes, e.g. Suzanne Danielle in Destiny of the Daleks: Episode One)
- Agent (4 episodes, e.g. Gemma Page in )
- Agent Cara (4 episodes, e.g. Abi Hayes in Big Finish: Jago & Litefoot Series 13: Too Much Reality)
- Agent Green/Lambton/Sebastian/Captain Strasser (Duncan Wisbey in Big Finish: Secret Origins)
- Aggedor (7 episodes, e.g. Nick Hobbs in The Monster of Peladon: Part Two)
- Aggressive Miner (12 episodes, e.g. Ernie Goodyear in The Mark of the Rani: Part One)
- Aglae (Gemma Bissix in Big Finish: The Fires of Vulcan)
- Agnes / Legend-F (4 episodes, e.g. Amaka Okafor in Big Finish: Ravenous 3: Deeptime Frontier)
- Agnes Bates (Serena Evans in Big Finish: The Witch from the Well)
- Agnes Landen (4 episodes, e.g. Maureen O'Brien in Big Finish: The Fearless Part 1)
- Agorax (Dominic Burgess in Bad Wolf)
- Ahmed (Vic Tablian in Pyramids of Mars: Part One)
- Ahmed’s Senior Military (4 episodes, e.g. Patricia Dichler in Death in Heaven)
- Aid Worker / Shopkeeper (4 episodes, e.g. Andrew Fettes in Big Finish: The Time War - Series 3: State of Bliss)
- Aide (Glen Whitter in Day of the Daleks: Episode Four)
- Ainu (4 episodes, e.g. Tim Munro in The Creature from the Pit: Part One)
- Air Raid Warden (Colin Prockter in Victory of the Daleks)
- Airport Passenger (Barry Noble in The Faceless Ones: Episode 2)
- Airport Personnel (7 episodes, e.g. Anthony Lang in The Faceless Ones: Episode 1)
- Airport Police Sergeant (Peter Roy in The Faceless Ones: Episode 1)
- Airport Policeman guarding Meadows (Robin Dawson in The Faceless Ones: Episode 6)
- Airport Policeman in Car Park (Roy Pearce in The Faceless Ones: Episode 6)
- Airport security cop (Antonio D. Charity in Torchwood: Rendition)
- Airport Sergeant (Peter Roy in The Faceless Ones: Episode 5)
- Airport Traveller (Spyfall) (Guillaume Rivaud in Spyfall: Part One)
- Airport Worker (Tom Ashley in Spyfall: Part Two)
- Airzone Lab Technician (Bill Baggs in Other Productions: The Airzone Solution)
- Aisha Akhta (6 episodes, e.g. Amina Zia in Big Finish: Stranded 1: Lost Property)
- Aiyaruc / Hanna (2 episodes, e.g. Orion Ben in Big Finish: The First Doctor Adventures Volume 03: The Phoenicians)
- Akunin, Sergei (Harry Myers in Big Finish: Aquitaine)
- Al (Matt Bardock in Flatline)
- Al Dunbar (Peter Davison in Other Productions: The Airzone Solution)
- Aladra (4 episodes, e.g. Jessica Hayles in Big Finish: Time War 2: Havoc)
- Alam/Hilsee (Kieran Hodgson in Big Finish: The Isos Network)
- Alan (Stewart Wright in The Lie Of The Land)
- Alan (Reece Pockney in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Alan (Marvyn Williams in The Christmas Invasion)
- Alan Ellis (Sam Beazley in Torchwood: Out of Time)
- Alan Fitzgerald (Nicholas Briggs in Big Finish: The Gathering)
- Alan Jackson (9 episodes, e.g. Joseph Millson in The Sarah Jane Adventures: Invasion of the Bane)
- Alan Weir (Brian McCardie in Big Finish: Masters of Earth)
- Alan-a-Dale (Ian Hallard in Robot Of Sherwood)
- Alaric (Derek Carlyle in Big Finish: The Elite)
- Alastair Fergus (David Simeon in The Dæmons: Episode One)
- Alaya (2 episodes, e.g. Neve McIntosh in The Hungry Earth)
- Albert (3 episodes, e.g. Andrew Ryan in Big Finish: The Mutant Phase)
- Albert Bootle (Alistair Lock in Big Finish: Dust Breeding)
- Albert C Richardson (Dennis Chinnery in The Chase: Flight Through Eternity)
- Albert Dumfries (Nicholas Gecks in The Sound of Drums)
- Albert Potter (Chris Simmons in Big Finish: Pier Pressure)
- Albertson/Barman (8 episodes, e.g. Scott Handcock in Big Finish: Wildthyme Reloaded: Comeback of the Scorchies)
- Albino Model Customer (Charlotte Williams in Time Heist)
- Albino Servant (3 episodes, e.g. Amy Beth Hayes in The Stolen Earth)
- Albino’s Assistant (Christina Qvam in Time Heist)
- Albis (Matt Addis in Big Finish: The Children of Seth)
- Alby Brook (8 episodes, e.g. Mark McDonnell in Big Finish: Invasion of the Daleks)
- Aldebrath (Lizzie Hopley in Big Finish: The Goddess Quandary)
- Aldin/Roboman (4 episodes, e.g. John Dorney in Big Finish: Dark Eyes: 2: The Traitor)
- Aldo (4 episodes, e.g. Freddie Earlle in Warriors' Gate: Part One)
- Aldo Deluca (4 episodes, e.g. Enzo Squillino Jnr in Big Finish: Doom Coalition: 2: Beachhead)
- Aldo Rega (William Ellis in Big Finish: Emissary of the Daleks)
- Alec Leeson (John Tordoff in Colony In Space: Episode Four)
- Alec Palmer (Dougray Scott in Hide)
- Aleister Portillon/Squire Claude Portillon (Andrew Havill in Big Finish: The Witch from the Well)
- Alejandro (Wilf Scolding in Big Finish: Goodbye Piccadilly)
- Alek Zenos (Angus Wright in Big Finish: We Are The Daleks)
- Alesha (Janine Carrington in Torchwood: Out of Time)
- Alex (2 episodes, e.g. Daniel Mays in Night Terrors)
- Alex (4 episodes, e.g. Christian Edwards in Big Finish: New Counter-Measures: Series One: Nothing to See Here)
- Alex (Naomi McDonald in Big Finish: Moving Target)
- Alex (3 episodes, e.g. David Ames in Big Finish: Iris Wildthyme Series 4: Whatever Happened to Iris Wildthyme?)
- Alex / Lehena (4 episodes, e.g. Becky Wright in Big Finish: Susan's War: Sphere of Influence)
- Alex Arwyn (Daniel Llewelyn-Williams in Torchwood: They Keep Killing Suzie)
- Alex Campbell (4 episodes, e.g. Jake McGann in Big Finish: Relative Dimensions)
- Alex Hopkins (Julian Lewis Jones in Big Finish: The Torchwood Archive)
- Alex Klein (Adam Garcia in The Christmas Invasion)
- Alex Marlowe (Nigel Planer in Big Finish: Hothouse)
- Alexander (William Dysart in The Highlanders: Episode 1)
- Alexander Marfleet (2 episodes, e.g. Nicholas Khan in )
- Alexander Peterssen (2 episodes, e.g. Brian Guest in Torchwood: The New World)
- Alexandra (Anna Andresen in The Power of the Doctor)
- Alexei (2 episodes, e.g. Dan Li in The Bells of Saint John)
- Alexi Korolev (Oleg Mirochnikov in Big Finish: Singularity)
- Alexis Linfoot (Richenda Carey in Big Finish: Plague of the Daleks)
- Alexsandr Karadjic (Jack Galagher in Big Finish: The Fearmonger)
- Aleyna (4 episodes, e.g. Abbie Andrews in Big Finish: Missy - Series One: A Spoonful of Mayhem)
- Alf (Tony Way in Deep Breath)
- Alf (2 episodes, e.g. Brandon Miller in The Empty Child)
- Alfie (George Caple in Survivors of the Flux: Flux: Chapter Five)
- Alfie (7 episodes, e.g. Isabelle James in Closing Time)
- Alfonso (Stavros Demetraki in The Witchfinders)
- Alfred Stahlbaum (Christian Brassington in Big Finish: The Silver Turk)
- Alfredo (Scott Handcock in Big Finish: The Claws of Santa)
- Algy (2 episodes, e.g. Robert Hands in The Empty Child)
- Ali (Emily Pithon in Big Finish: Echoes of Grey)
- Alice (Regina Reagan in Big Finish: Renaissance of the Daleks)
- Alice (Liz White in The Snowmen)
- Alice (4 episodes, e.g. Abigail Hollick in Big Finish: Jago & Litefoot Series 03: Dead Men’s Tales)
- Alice (Georgia Moffett in Big Finish: City of Spires)
- Alice Carter (5 episodes, e.g. Lucy Cohu in Torchwood: Children Of Earth: Day One)
- Alice Cassini (Bridget Turner in Gridlock)
- Alice Coltrane (Natalie Walter in Turn Left)
- Alice Donelly (4 episodes, e.g. Lucy Fleming in Big Finish: UNIT: Encounters: The Dalek Transaction)
- Alice Elbaum (Lizzie Hopley in Big Finish: The Devil in Ms Wildthyme)
- Alice Flowers (Lizzie Hopley in Games: The Gunpowder Plot)
- Alice Guppy (2 episodes, e.g. Amy Manson in Torchwood: Fragments)
- Alice Lloyd (Ony Uhiara in Big Finish: The Sixth Doctor: The Last Adventure: The End of the Line)
- Alice Pritchard (4 episodes, e.g. Katherine Pearce in Big Finish: Rage of the Time Lords: The Survivor)
- Alice Withers (Susan Brown in Big Finish: The Eternal Summer)
- Alicia Dowan (Mimi Ndiweni in Big Finish: Subterfuge)
- Alicia Mulholland (Jane Goddard in Big Finish: The Maltese Penguin)
- Alicia Yan (3 episodes, e.g. Liz Sutherland-Lim in Big Finish: Class - Volume One: Gifted)
- Alien (Jimmy Vee in Aliens of London)
- Alien (2 episodes, e.g. Tom Guerrier in Big Finish: The Lost Museum)
- Alien Delegate (Neil Corry in Big Finish: The Apocalypse Element)
- Alien Guard (12 episodes, e.g. John Atterbury in The War Games: Episode Four)
- Alien Juror/Announcer (Nicholas Pegg in Big Finish: Bang-Bang-a-Boom!)
- Alien Priest (2 episodes, e.g. Roy Heymann in Colony In Space: Episode Four)
- Alien Psychiatrist/Balladeer (Christopher Luscombe in Big Finish: 1001 Nights)
- Alien Space Captain (2 episodes, e.g. Peter Noel Cook in The Ambassadors of Death: Episode 6)
- Alien Student (7 episodes, e.g. Phil Lundgren in The War Games: Episode Four)
- Alien Technician (13 episodes, e.g. Charles Pemberton in The War Games: Episode Five)
- Alien Voice (2 episodes, e.g. Jonathan Hart in The Girl in the Fireplace)
- Alien Voice (2 episodes, e.g. Peter Halliday in The Ambassadors of Death: Episode 6)
- Alien Voices (Silas Carson in The End Of The World)
- Alien Woman (Angela Clerkin in Face The Raven)
- Aliens (RichardUnwin in Big Finish: The Kingdom of the Blind)
- Aliona (Kirsty Besterman in Big Finish: The Shadow Heart)
- Alison (4 episodes, e.g. Lucy Heath in Big Finish: Diary of River Song: Series 5: The Bekdel Test)
- Alison (India Ria Amarteifio in The Magician's Apprentice)
- Alison Cheney (6 episodes, e.g. Sophie Okonedo in Doctor Who (Miscellaneous): Scream of the Shalka: Episode One)
- Alison Docherty (Ellie Haddington in Last of the Time Lords)
- Alison Speers (Liz Sutherland in Big Finish: Winter for the Adept)
- Alistair (Simon Dutton in The Time of Angels)
- Alit (Briana Shann in The Doctor Falls)
- Alitha/Inspector Jill Sveinsbottir (4 episodes, e.g. Mandi Symonds in Big Finish: The Memory Bank)
- Alitta (4 episodes, e.g. Sara Houghton in Big Finish: Jenny - The Doctor's Daughter: Stolen Goods)
- All Ears Alan (Michael Beglay in Fugitive of the Judoon)
- Allen (2 episodes, e.g. Stanley McGeagh in Colony In Space: Episode Three)
- Allenby (Mark Donovan in Big Finish: Chapter Three)
- Allie (4 episodes, e.g. David Warner in Big Finish: The First Doctor Volume 03: E is For...)
- Allis & Ballis (James Campbell in Big Finish: The Wormery)
- Allison (4 episodes, e.g. Karen Gledhill in Remembrance of the Daleks: Part One)
- Allison Williams (36 episodes, e.g. Karen Gledhill in Big Finish: 1963: The Assassination Games)
- Allora (Maggie Ollerenshaw in Big Finish: Gallifrey VI: Extermination)
- Almak (2 episodes, e.g. Barbara Fadden in Demons Of The Punjab)
- Alonso/Caliban/Gonzalo (Andrew Hall in Big Finish: Maker Of Demons)
- Alozza (Diveen Henry in Big Finish: The Triumph of Sutekh: The Vaults of Osiris)
- Alpha Centauri (22 episodes, e.g. Ysanne Churchman in The Monster of Peladon: Part One)
- Alpha Wheeler (4 episodes, e.g. Janine Duvitski in Big Finish: Seventh Doctor New Adventures: Volume 1: The Trial of a Time Machine)
- Alphan Servant (David Rogue in The Trial of a Time Lord (The Mysterious Planet): Part One)
- Alphan Woman (36 episodes, e.g. Jackie Noble in The Trial of a Time Lord (Mindwarp): Part Eight)
- Alphonse (Chris Lew Kum Hoi in The Husbands of River Song)
- Althya (Beth Chalmers in Big Finish: Leviathan)
- Altos (5 episodes, e.g. Robin Phillips in The Keys of Marinus: The Velvet Web)
- Altus (Derek Hutchinson in Big Finish: The Burning Prince)
- Alvis (Anthony Gardner in The Macra Terror: Episode 1)
- Alydon (6 episodes, e.g. John Lee in The Daleks: The Ambush)
- Alydon (2 episodes, e.g. Barrie Ingham in Aaru Movies: Dr Who and the Daleks)
- Alydon and Gus (Sean Connolly in Big Finish: The Davros Mission)
- Alys (Gemma Wardle in Big Finish: Point of Entry)
- Alyx (Naomi McDonald in Big Finish: The Triumph of Sutekh: The Tears of Isis)
- Amala Vost (Shvorne Marks in Big Finish: The Dalek Occupation of Winter)
- Amanda (3 episodes, e.g. Ayesha Antoine in Big Finish: Iris Wildthyme Series 4: Whatever Happened to Iris Wildthyme?)
- Amanda Latimer (4 episodes, e.g. Deirdre Mullins in Big Finish: The Sixth Doctor and Peri Volume 01: The Headless Ones)
- Amazonia (Wendy Danvers in The Curse of Peladon: Episode Four)
- Ambassador Faye Davis (Ursula Burton in Big Finish: The Game)
- Ambassador, Ranius (Ronnie Corbett in The Sarah Jane Adventures: From Raxacoricofallapatorius with Love)
- Ambassadors (12 episodes, e.g. Toby Hunt in The End Of The World)
- Amber Dent / Car Computer (Rebecca Jenkins in Big Finish: Whispers of Terror)
- Ambril (4 episodes, e.g. John Carson in Snakedance: Part One)
- Ambril's Attendent (3 episodes, e.g. Chris Holmes in Snakedance: Part Two)
- Ambrose (3 episodes, e.g. Nia Roberts in The Hungry Earth)
- Ambulance Driver (2 episodes, e.g. B Cox in The Time Monster: Episode Three)
- Ambulance Lady (Sylvia De La Mare in The Time Monster: Episode Three)
- Ambulance Man (Donald Sinclair in The Faceless Ones: Episode 6)
- Ambulance Man (3 episodes, e.g. Andrew Wincott in Doctor Who (Miscellaneous): The Paradise Of Death: Episode Two)
- Ambulanceman (2 episodes, e.g. Derek Matt in Castrovalva: Part One)
- Ambulanceman (Dave Carter in Doctor Who And The Silurians: Episode 6)
- Amelia (Harriet Thorpe in Big Finish: Kingdom Of Lies)
- Amelia Doory (Holly De Jong in Big Finish: Project: Twilight)
- Amelia Ducat (3 episodes, e.g. Sylvia Coleridge in The Seeds of Doom: Part Three)
- American Aide (Emmett Hennessy in Day of the Daleks: Episode Four)
- American Diplomat (Charles Adey-Grey in Day of the Daleks: Episode Four)
- American Passenger (2 episodes, e.g. Jack Horton in Time-Flight: Part One)
- American Sergeant (John Brandon in The Tenth Planet: Episode 1)
- American Soldier (Jim Delaney in The War Games: Episode Eight)
- American Student (4 episodes, e.g. Carl Tracey in Last of the Time Lords)
- American Tourist (2 episodes, e.g. Dave Whitlam in The Bells of Saint John)
- Amita Burman (4 episodes, e.g. Vineeta Rishi in Big Finish: Diary of River Song: Series 5: The Bekdel Test)
- Ammar Elkady (Arian Nik in Big Finish: Absolute Power)
- Amos (Graham Turner in The Crimson Horror)
- Ampz (Shvorne Marls in Big Finish: The Unbound Universe: The Emporium At The End)
- Amur (6 episodes, e.g. Claudia Elmhirst in Big Finish: The Exterminators)
- Amy (4 episodes, e.g. Annie Firbank in Big Finish: Graceless IV: The Bomb)
- Amy (Naomi Paxton in Big Finish: Cryptobiosis)
- Amy (3 episodes, e.g. Ciara Janson in Big Finish: The Key 2 Time - Judgement of Isskar)
- Amy Carysfort (Joanna Griffiths in Torchwood: Dead Man Walking)
- Amy Doll (Ruth Webb in Night Terrors)
- Amyand (4 episodes, e.g. James Bate in Planet of Fire: Part One)
- Amyra (Daisy Ashford in Big Finish: Domain of the Voord)
- Ana (Kate Kennedy in Big Finish: Quicksilver)
- Ana Janze (Hannah Genesius in Big Finish: The Genesis Chamber)
- Anahita (Honor Blackman in Big Finish: The Children of Seth)
- Anahson (Letitia Wright in Face The Raven)
- Anarkali/Melissa/Isra Tech #2 (Tania Rodrigues in Big Finish: Scavenger)
- Anastasia Romanov (2 episodes, e.g. Alex Tregear in Big Finish: The First Doctor Adventures Volume 04: Return to Skaro)
- Anat (4 episodes, e.g. Anna Barry in Day of the Daleks: Episode One)
- Anatta (Anna Wing in Kinda: Part One)
- Ancelyn (4 episodes, e.g. Marcus Gilbert in Battlefield: Part One)
- Ancient Haemovore (Raymond Trickett in The Curse of Fenric: Part Four)
- Ancient Nun/Brenda (Jane Slavin in Big Finish: The Cloisters of Terror)
- Anders (Sebastian Armesto in Big Finish: Grand Theft Cosmos)
- Anderson (3 episodes, e.g. Ian Mackenzie in Dragonfire: Part One)
- Andinio (Phyllis Logan in The Battle of Ranskoor Av Kolos)
- Andor (2 episodes, e.g. Victor Lucas in The Face of Evil: Part One)
- Andrea (4 episodes, e.g. Ellie Heydon in Big Finish: Aliens Among Us - Part 2: Love Rat)
- Andrea Davenport (4 episodes, e.g. Rakie Ayola in Big Finish: God Among Us - Part 2: Flight 405)
- Andrea Winnington (2 episodes, e.g. Sara Carver in Big Finish: The Longest Night)
- Andrea Yates (SJA) (4 episodes, e.g. Jane Asher in The Sarah Jane Adventures: Whatever Happened to Sarah Jane?: Part One)
- Andred (8 episodes, e.g. Christopher Tranchell in The Invasion of Time: Part One)
- Andree (Nicola Weeks in Big Finish: The Mind's Eye)
- Andrew (Jamie Sandford in Big Finish: Circular Time: Autumn)
- Andrew (Anthony Taylor in Can You Hear Me?)
- Andrew Verney (Frederick Hall in The Awakening: Part Two)
- Andrews (Peter Cellier in Time-Flight: Part One)
- Andro (Nasi Voutsas in The Name of the Doctor)
- Androgar (Peter De Jersey in The Day of The Doctor)
- Android (6 episodes, e.g. Peter van Dissell in The Visitation: Part One)
- Android (4 episodes, e.g. John Dorney in Big Finish: Dark Eyes: 4: A Life in the Day)
- Android (3 episodes, e.g. Dean Hollingsworth in Timelash: Part One)
- Android Mechanic (9 episodes, e.g. Derek Hunt in The Android Invasion: Part One)
- Android/Nav Comp/Liam's Comp/Refugee) and Nicholas Briggs (Cy (Samantha Sanns in Big Finish: Fear)
- Andromeda (Lois Meleri Jones in Big Finish: Believe)
- Androvax (4 episodes, e.g. Mark Goldthorp in The Sarah Jane Adventures: The Vault of Secrets: Episode One)
- Andy (James Thackeray in The Woman Who Fell to Earth)
- Andy Clover / Sergeant Webster (Scott Chambers in Big Finish: Static)
- Andy Davidson (18 episodes, e.g. Tom Price in Torchwood: The New World)
- Andy Stone (Alan Ruscoe in The Waters of Mars)
- Anethan Corpse (3 episodes, e.g. Debbi Thomson in The Horns of Nimon: Part Four)
- Anethan sacrifices (20 episodes, e.g. Daniel Tabori in The Horns of Nimon: Part One)
- Ange (Kate Eaton in Survival: Part One)
- Angel (3 episodes, e.g. Aga Blonska in Blink)
- Angela (Hannah Maddox in Big Finish: Corpse Day)
- Angela (Victoria Alcock in Planet of the Dead)
- Angela Clifford (3 episodes, e.g. Judith Byfield in Time-Flight: Part One)
- Angela Connolly (2 episodes, e.g. Golda Rosheuvel in Torchwood: Dead Man Walking)
- Angelina (2 episodes, e.g. Molly Griffiths in The Caretaker)
- Angelo (Daniele Favilli in Torchwood: Immortal Sins)
- Angelo (Troy Glasgow in The Time of Angels)
- Angelo, Cardinal (Corrado Invernizzi in Extremis)
- Angie (6 episodes, e.g. Eve De Leon Allen in Nightmare in Silver)
- Angie Glazebrook (4 episodes, e.g. Arabella Weir in Big Finish: Jenny - The Doctor's Daughter: Stolen Goods)
- Angry Boy (4 episodes, e.g. Harry Heap in Big Finish: God Among Us - Part 3: A Mother's Son)
- Angry Man (4 episodes, e.g. Gabin Kongolo in Big Finish: God Among Us - Part 3: A Mother's Son)
- Angry nurse (Lauri Hendler in Torchwood: The New World)
- Angstrom (Susan Lynch in The Ghost Monument)
- Angus (2 episodes, e.g. Angus Lennie in Terror of the Zygons: Part One)
- Angus Selwyn (4 episodes, e.g. Ian Puleston-Davies in Big Finish: Doom Coalition: 3: Absent Friends)
- Angvia (Patricia Quinn in Big Finish: Bang-Bang-a-Boom!)
- Anicca (Roger Milner in Kinda: Part One)
- Anima (Sunny Ormonde in Big Finish: Circular Time: Winter)
- Animus Voice (4 episodes, e.g. Catherine Fleming in The Web Planet: The Zarbi)
- Anita (Amy Cudden in Let's Kill Hitler)
- Anita (3 episodes, e.g. Carmen Gomez in The Two Doctors: Part One)
- Anita (2 episodes, e.g. Jessika Williams in Silence in the Library)
- Anita Kereki (Anjella Mackintosh in Big Finish: The Labyrinth of Buda Castle)
- Anita Shadow (Louise Harrison in Forest of the Dead)
- Anita Suit Creature (Ellen Thomas in Forest of the Dead)
- Anithon (Hugh Hayes in Time-Flight: Part Three)
- Anitra / Coetzee (Amanda Shodeko in Big Finish: Return of the Cybermen)
- Anjlis (2 episodes, e.g. Lauren Cornelius in )
- Ankh (2 episodes, e.g. Frank Jarvis in Underworld: Part Three)
- Anla Jessik (2 episodes, e.g. Sarah Woodward in )
- Ann (2 episodes, e.g. Sarah Sutton in Black Orchid: Part One)
- Ann Davidson (6 episodes, e.g. Gilly Fraser in The Faceless Ones: Episode 2)
- Ann-the-Van/Story Speaker/Webster (Harriet Kershaw in Big Finish: A Death in the Family)
- Ann/Darl (Clare Buckfield in Big Finish: The Warehouse)
- Anna / Commander of Phobos Mission (Genevieve Gaunt in Big Finish: Red Planets)
- Anna Campbell (3 episodes, e.g. Caroline Guthrie in Big Finish: The Paternoster Gang: Heritage 2: Dining with Death)
- Anna Frobisher (5 episodes, e.g. Hilary Maclean in Torchwood: Children Of Earth: Day One)
- Anna Volokova (Ella Garlan in Big Finish: Zone 10)
- Anna Zhou (Elizabeth Tan in Journey's End)
- Anna/Radio Announcer/Quizmaster (4 episodes, e.g. Beth Chalmers in Big Finish: UNIT: Shutdown: Power Cell)
- Annabel (Eloise Barnes in In The Forest Of The Night)
- Annabel (4 episodes, e.g. Elaine Fellows in Big Finish: Seventh Doctor New Adventures: Volume 1: The Trial of a Time Machine)
- Annabel Morden (Deborah Thomas in Big Finish: The Helliax Rift)
- Annalise (2 episodes, e.g. Kimmi Richards in Smith and Jones)
- Anne (4 episodes, e.g. Annette Holland in Big Finish: UNIT: Assembled: Call to Arms)
- Anne (4 episodes, e.g. Annette Robertson in The Massacre: War of God)
- Anne (3 episodes, e.g. Barbara Flynn in Big Finish: Torchwood One - Latter Days: Retirement Plan)
- Anne Boleyn (Laura Molyneux in Big Finish: Recorded Time)
- Anne Droid (4 episodes, e.g. Anne Robinson in Bad Wolf)
- Anne Harney (Alix Dunmore in Big Finish: Philip Hinchcliffe Presents: The Devil's Armada)
- Anne Travers (6 episodes, e.g. Tina Packer in The Web of Fear: Episode 1)
- Anneke Wills (Ellie Spicer in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Anni (Jane MacFarlane in Big Finish: Snake Head)
- Annie (2 episodes, e.g. Bethan Walker in Torchwood: Cyberwoman)
- Annie (4 episodes, e.g. Petra Markham in Big Finish: Graceless IV: The Bomb)
- Annie Carpenter (Holly King in Big Finish: The Shadow of the Scourge)
- Annos (5 episodes, e.g. Dickon Tolson in Big Finish: Fractures)
- Announcer (Beth Chalmers in Big Finish: The Seeds of War)
- Announcer (Mark Gatiss in Big Finish: Storm Warning)
- Announcer (3 episodes, e.g. Lynn Gardner in Dragonfire: Part One)
- Announcer (Brigit Paul in The Faceless Ones: Episode 2)
- Announcer/Computer/PA (Sean Connolly in Big Finish: The Fearless Part 4)
- Annoying Delegate/Robot Waiter (Nicholas Briggs in Big Finish: ...ish)
- Anona (Romy Tennant in Big Finish: Primeval)
- Answerphone Message (Justin Richard in Big Finish: Whispers of Terror)
- Ant-Person (Claudia Kelly in Stageshows: The Ultimate Adventure)
- Antan/Taker (Aneurin Barnard in Big Finish: The Whispering Forest)
- Antarctica Marine (2 episodes, e.g. Patrick Milber in The Seeds of Doom: Part Three)
- Anthony (4 episodes, e.g. Aaron Anthony in Big Finish: God Among Us - Part 3: A Mother's Son)
- Anthony Chambers (Stuart Milligan in Big Finish: The Reaping)
- Anthony Fettisplace (Nicholas Deal in Big Finish: A Storm of Angels)
- Anthony Stanwick (Sylvester McCoy in Other Productions: The Airzone Solution)
- Anti-matter monster (6 episodes, e.g. Mike Lee Lane in Planet of Evil: Part One)
- Antodus (John Bown in Aaru Movies: Dr Who and the Daleks)
- Antodus (4 episodes, e.g. Marcus Hammond in The Daleks: The Ambush)
- Anton (Jeremy James in Big Finish: Circular Time: Autumn)
- Anton (Henry Stamper in The Enemy of the World: Episode 1)
- Anton Falcao (John Cummins in Big Finish: The Jupiter Conjunction)
- Anton Lichfuss (David Hankinson in Big Finish: Loups-Garoux)
- Antonia Bailey/Jane (Diana Morrison in Big Finish: The Condemned)
- Antonio Ferrando/Control Unit (Owen Aaronovitch in Big Finish: Fiesta Of The Damned)
- Antonio Tulloch (Sean Biggerstaff in Big Finish: New Frontiers: The Curse of Fenman)
- Antranak (Jonathan Owen in Big Finish: The Eye of the Scorpion)
- Anulf/Taker (Lennox Greaves in Big Finish: The Whispering Forest)
- Anvar (4 episodes, e.g. Robert Daws in Big Finish: Only the Good: Beneath the Viscoid)
- Anvil Jackson/Technician Gyte (Jon Edgley Bond in Big Finish: Terror of the Sontarans)
- Anya (4 episodes, e.g. Susannah Harker in Big Finish: Dark Eyes: 4: A Life in the Day)
- Anya Kingdom (Jane Slavin in )
- Anzor (Malcolm Renni in Big Finish: Mission to Magnus)
- Aoife (2 episodes, e.g. Sinead Keenan in )
- Apolena (4 episodes, e.g. Kasia Koleczek in Big Finish: Doom Coalition: 3: Absent Friends)
- April (8 episodes, e.g. Sophie Hopkins in Class: For Tonight We Might Die)
- April MacLean (6 episodes, e.g. Sophie Hopkins in Big Finish: Class - Volume One: Gifted)
- Ara (4 episodes, e.g. Catherine Howe in The Underwater Menace: Episode 1)
- Arab King (Mohammed Yassen in Time Heist)
- Arab King Entourage (Mohamed Soliman in Time Heist)
- Arab Sheikh (David James in The Daleks' Master Plan: The Feast of Steven)
- Arabella Hendricks (3 episodes, e.g. Lara Lemon in )
- Aragon (Stewart Alexander in Big Finish: The Plague Herds of Excelis)
- Arak (2 episodes, e.g. Stephen Yardley in Vengeance on Varos: Part One)
- Arak (4 episodes, e.g. Gareth Hunt in Planet of the Spiders: Part Three)
- Arak Varren (3 episodes, e.g. Eric Carte in Big Finish: The Robots Volume One: The Robots of Life)
- Arakssor (Nicholas Briggs in Big Finish: Frozen Time)
- Aram (Christine Kavanagh in Timelash: Part One)
- Aramatz (Aaron Neil in Big Finish: The Unbound Universe: The Very Dark Thing)
- Aramu (Thapelo Maropefela in Praxeus)
- Arana, Doña (Aimée Delamain in The Two Doctors: Part One)
- Aranda (Bethan Walker in Big Finish: White Ghosts)
- Arbitan (George Coulouris in The Keys of Marinus: The Sea of Death)
- Arbitan's Double (John Beorbohn in The Keys of Marinus: The Sea of Death)
- Arbuckle (4 episodes, e.g. Silas Carson in Big Finish: Seventh Doctor New Adventures: Volume 1: The Trial of a Time Machine)
- Arcantis (Michael Hobbs in Big Finish: Time In Office)
- Archer (4 episodes, e.g. Richard Allen in Robot Of Sherwood)
- Archibald (3 episodes, e.g. John Rayment in )
- Archibald Spool (Keith Drinkle in Big Finish: Timeless Passages)
- Archie (3 episodes, e.g. Rab Affleck in The Name of the Doctor)
- Archie Ferrers (4 episodes, e.g. Oliver Dimsdale in Big Finish: Diary of River Song: Series 1: The Boundless Sea)
- Archie Flowers (3 episodes, e.g. Alex Lowe in Big Finish: The Paternoster Gang: Heritage 1: The Cars That Ate London!)
- Archie/Anna (2 episodes, e.g. Carly Day in )
- Archimandrite (3 episodes, e.g. Cyril Shaps in The Androids of Tara: Part Two)
- Architect (Trevor Shewring in The Invasion: Episode Six)
- Archive (2 episodes, e.g. Lisa Bowerman in Big Finish: Graceless III: The Battle)
- Archivist (Trevor Littledale in Big Finish: The Inquiry)
- Archivist (Van Epperson in Torchwood: The New World)
- Archivist (Daphne Oxenford in Dragonfire: Part Two)
- Archivist/Computer/Elder (4 episodes, e.g. Ian Brooker in Big Finish: The Memory Bank)
- Arcking 12 Computer (4 episodes, e.g. Jacob Dudman in Big Finish: Only the Good: Beneath the Viscoid)
- Arcturus (3 episodes, e.g. Murphy Grumbar in The Curse of Peladon: Episode One)
- Arden (3 episodes, e.g. George Waring in The Ice Warriors: One)
- Ardith (Bunny Reed in Big Finish: Kingdom of Silver)
- Areta (2 episodes, e.g. Geraldine Alexander in Vengeance on Varos: Part One)
- Arfor (4 episodes, e.g. Vikash Bhai in Big Finish: Anti-Genesis: From the Flames)
- Argolin (27 episodes, e.g. Andy Hopkinson in Doctor Who (Miscellaneous): Dimensions In Time: Part One)
- Argot (Neville Watchurst in Big Finish: Memory Lane)
- Arianda (2 episodes, e.g. Robin Weaver in Big Finish: The Third Doctor Adventures Volume 03: The Conquest of Far)
- Aridian (Brian Proudfoot in The Chase: The Death of Time)
- Arin/Dennis (Kieran Hodgson in Big Finish: The Sixth Doctor: The Last Adventure: The Red House)
- Arioch (4 episodes, e.g. Ian Burford in Big Finish: Jago & Litefoot Series 08: Encore of the Scorchies)
- Aris (4 episodes, e.g. Adrian Mills in Kinda: Part One)
- Aristophanes (Samuel West in Big Finish: Mask of Tragedy)
- Arius (Steve Kynman in Big Finish: The Council of Nicaea)
- Arkadian (7 episodes, e.g. Hugo Myatt in Big Finish: Weapon of Choice)
- Arkallax (Nick Ellsworth in Big Finish: The Dispossessed)
- Arken (Arthur Bostrom in Big Finish: Scaredy Cat)
- Arlo, Kira (Claudia Jessie in Kerblam!)
- Arm Under Bed (Amy Stuckey in Listen)
- Armand Barbier (2 episodes, e.g. Phillipe Bosher in )
- Armand Vallance (5 episodes, e.g. Derrick Gilbert in The Wheel In Space: Episode 2)
- Armed Police (12 episodes, e.g. Bryan Williams in The Sound of Drums)
- Armed Police Driver (John Shepherd in Planet of the Dead)
- Armen (Nathan Armarkwei-Laryea in Revolution of the Daleks)
- Armhost, Deputy Marshal (Joe Sims in The Power of the Doctor)
- Armitage (2 episodes, e.g. David Dobson in Big Finish: The Third Doctor Adventures Volume 05: Primord)
- Armourer (Derek Chafer in The Masque of Mandragora: Part Four)
- Armstrong (Andrew Wisher in Big Finish: The Nowhere Place)
- Armstrong (Peter Heenan in Big Finish: Interstitial)
- Army Captain (Julia Busby in The Christmas Invasion)
- Army Soldier (4 episodes, e.g. Leslie Bates in Invasion of the Dinosaurs: Part Five)
- Arn (4 episodes, e.g. Rosie Day in Big Finish: Lost in Translation: Have I Told You Lately?)
- Arnheim (Chris MacDonnell in Dragonfire: Part Two)
- Arnie Davies (Colin Baker in Other Productions: The Airzone Solution)
- Arnie McAllister (Joe Jameson in Big Finish: Recorded Time and Other Stories: Question Marks)
- Arnold Baynes (Bernard Horsfall in Big Finish: Davros)
- Arnold Keeler (4 episodes, e.g. Mark Jones in The Seeds of Doom: Part One)
- Arnold Korns (Bernard Cribbins in Big Finish: Horror of Glam Rock)
- Arnulf (Bruce Mann in Big Finish: The Holy Terror)
- ARP Warden (William Hazell in Stageshows: Doctor Who Live)
- Arran/Shift (Tom Bell in Big Finish: The Age of Endurance)
- Arrex (2 episodes, e.g. Richard Mitchley in Delta and the Bannermen: Part Two)
- Art Gallery Visitor (2 episodes, e.g. Eleanor Bron in City of Death: Part Four)
- Arthley (Gareth Armstrong in Big Finish: The Evil One)
- Arthur (Henry Wood in A Good Man Goes to War)
- Arthur (Morgan Deare in Rosa)
- Arthur (Charlie Kemp in Doctor Who (Miscellaneous): An Adventure In Space And Time)
- Arthur Conan Doyle/Soldier (4 episodes, e.g. Steven Miller in Big Finish: Jago & Litefoot Series 07: The Monstrous Menagerie)
- Arthur Kettleson (Kieran Bew in Big Finish: The Lady of Mercia)
- Arthur Lloyd (2 episodes, e.g. Damian Samuels in The Empty Child)
- Arthur Terrall (3 episodes, e.g. Gary Watson in The Evil of the Daleks: Episode 3)
- Artie (5 episodes, e.g. Kassius Carey Johnson in The Bells of Saint John)
- Artist in cafe (James Charlton in City of Death: Part One)
- Artron / Cadrin (6 episodes, e.g. Robert Whitelock in Big Finish: Ravenous 4: Whisper)
- Arturo Villar (3 episodes, e.g. Michael Napier-Brown in The War Games: Episode Eight)
- Arverton (3 episodes, e.g. Barnaby Edwards in Big Finish: Only the Monstrous: The Innocent)
- Arvin (4 episodes, e.g. Joe Jameson in )
- Arwell, Cyril (2 episodes, e.g. Maurice Cole in The Doctor, The Widow and the Wardrobe)
- Arwell, Lily (5 episodes, e.g. Holly Earl in The Doctor, The Widow and the Wardrobe)
- Arwell, Madge (2 episodes, e.g. Claire Skinner in The Doctor, The Widow and the Wardrobe)
- Arwell, Reg (Alexander Armstrong in The Doctor, The Widow and the Wardrobe)
- Asam (Callum Witney Mills in Big Finish: Mission to Magnus)
- Ascaris (2 episodes, e.g. Barry Jackson in The Romans: The Slave Traders)
- Ash/ Stall Owner/ Shop Keeper/ Barge Captain/ Dupree (4 episodes, e.g. Barnaby Edwards in Big Finish: Fourth Doctor - Series 7: Volume 2: The Shadow of London)
- Asha (2 episodes, e.g. Hayley Atwell in Big Finish: Blood of the Daleks)
- Asha Qureshi (Shelley Conn in Big Finish: Situation Vacant)
- Ashad (4 episodes, e.g. Patrick O'Kane in The Haunting Of Villa Diodati)
- Ashe (6 episodes, e.g. John Ringham in Colony In Space: Episode One)
- Ashildr (5 episodes, e.g. Maisie Williams in The Girl Who Died)
- Ashley Carter (Natalie Gumede in Last Christmas)
- Ashman (Gus Brown in Big Finish: The Rocket Men)
- Ashton (Patrick O'Connell in The Dalek Invasion of Earth: The End of Tomorrow)
- Aslor/Risor/The Ice Warriors (Nicholas Briggs in Big Finish: Lords of the Red Planet)
- Assassin (4 episodes, e.g. Joseph Tweedale in Big Finish: Aliens Among Us - Part 3: Poker Face)
- Assassin (Tom Sye in The Massacre: Priest of Death)
- Assassin (Nicholas Briggs in Big Finish: The 100 Days of the Doctor)
- Assembler 1 (Adam Buxton in Big Finish: The One Doctor)
- Assessor / Mistress Spinner (3 episodes, e.g. Victoria Jeffrey in )
- Assistant (Chrissie Marie Fit in Torchwood: Rendition)
- Assistant Analyst Jonias (David Menkin in Big Finish: Gallifrey V: Evolution)
- Assistant Coach Carroll (David McGranaghan in Class: The Coach with the Dragon Tattoo)
- Assistant Director (Conrad Monk in The Daleks' Master Plan: The Feast of Steven)
- Assistant Monitor Ensac (James Campbell in Big Finish: The Apocalypse Element)
- Association Man (6 episodes, e.g. Len Bond in Remembrance of the Daleks: Part One)
- Asta (Olivia Hallinan in Big Finish: Order)
- Astorius (Sean Brosnan in Big Finish: Hexagora)
- Astos (Brett Goldstein in The Tsuranga Conundrum)
- Astrid (6 episodes, e.g. Mary Peach in The Enemy of the World: Episode 1)
- Astrid Peth (2 episodes, e.g. Kylie Minogue in Voyage of the Damned)
- Astronaut (10 episodes, e.g. Steve Peters in The Ambassadors of Death: Episode 3)
- ATC Technician (5 episodes, e.g. Roy Curtis in The Faceless Ones: Episode 2)
- Athanasius (Martin Parsons in Big Finish: The Council of Nicaea)
- Athena (4 episodes, e.g. Sakuntala Ramanee in )
- Athenian Women (Sharon Gosling in Big Finish: The Oracle of Delphi)
- Athrid (Chook Sibtain in Big Finish: The Acheron Pulse)
- Atkins (Tom Keller in The Day of The Doctor)
- Atlantean Child (2 episodes, e.g. Gary O'Brien in The Underwater Menace: Episode 4)
- Atlantean Child Priest (4 episodes, e.g. Anthony Kemp in The Underwater Menace: Episode 3)
- Atlantean Guard (13 episodes, e.g. Michael Earl in The Underwater Menace: Episode 3)
- Atlantean Priest (19 episodes, e.g. Reg Cranfield in The Underwater Menace: Episode 1)
- Atlantean Refugee (7 episodes, e.g. Marguerite Young in The Underwater Menace: Episode 3)
- ATMOS Voice (Elizabeth Rider in The Sontaran Stratagem)
- ATO Technician (9 episodes, e.g. Roy Curtis in The Faceless Ones: Episode 4)
- Atomon/Sperovore Banker/Steward (Harry Myrers in Big Finish: A Life of Crime)
- Atraxi Voice (David de Keyser in The Eleventh Hour)
- Atriss / Bill Parker / Captain Weaver (Wayne Forester in Big Finish: Hour Of The Cybermen)
- Attendant (Edmund Bailey in Spearhead From Space: Episode 4)
- Attendant (7 episodes, e.g. Tom Lawrence in Revelation of the Daleks: Part One)
- Attendant at 2nd Way Inn (O Ikeda in Marco Polo: Mighty Kublai Khan)
- Attendant at Wang Lo's Inn (3 episodes, e.g. Suk Hee S'Hng in Marco Polo: The Roof of the World)
- Attendant to the Empress (2 episodes, e.g. Doreen Tang in Marco Polo: Assassin at Peking)
- Attendent (6 episodes, e.g. Anthony Wellington in Vengeance on Varos: Part One)
- Attendent on Ping-Cho (4 episodes, e.g. Zohra Sehgal in Marco Polo: Rider From Shang-Tu)
- Atza (4 episodes, e.g. Sam Howard in The Trial of a Time Lord (Terror of the Vervoids): Part Nine)
- Aubrey (13 episodes, e.g. Jamie Newall in Big Finish: Jago & Litefoot Series 05: The Age of Revolution)
- Aubrey Khan (3 episodes, e.g. Joe Shire in Big Finish: Class - Volume One: Gifted)
- Aubron (Joe Coen in Big Finish: The Elite)
- Audience (97 episodes, e.g. Colin Calton in The Shakespeare Code)
- Audience (29 episodes, e.g. Nick Madge in Evolution of the Daleks)
- Audience (11 episodes, e.g. Tina Stratford in The Sound of Drums)
- Auditor-General Otak Lame / Reyn (3 episodes, e.g. Glen McCready in Big Finish: The Paternoster Gang: Heritage 2: Dining with Death)
- Audrey (Beth Chalmers in Big Finish: Forty-Five: Casualties of War)
- Audrey (Nadine Beaton in Torchwood: Captain Jack Harkness)
- Audrey McShane (Maggie Ollerenshaw in Big Finish: Love and War)
- Audrey Newman (Sara Powell in Big Finish: An Ordinary Life)
- Audrey/Harriet Dodd (Lizzie Hopley in Big Finish: Land of Wonder)
- Auga (Nigel Lambert in Big Finish: The Guardians of Prophecy)
- Augustus Pond (Halcro Johnston in The Big Bang)
- Augustus Scullop (Julian Wadham in Big Finish: The Fourth Wall)
- Aukon (4 episodes, e.g. Emrys James in State of Decay: Part One)
- Aunt Betty (Jean Challis in The Idiot's Lantern)
- Aunt Sharon (Susan Vidler in The Big Bang)
- Aunt Vanessa (2 episodes, e.g. Dolore Whiteman in Logopolis: Part One)
- Auntie (2 episodes, e.g. Elizabeth Berrington in The Doctor's Wife)
- Aunty (2 episodes, e.g. Susanna John in Human Nature)
- Aunty Pat (2 episodes, e.g. Lynsey Hardwick in Big Finish: The Zygon Who Fell to Earth)
- Aurelia (Lucy Paterson in Big Finish: 100 BC)
- Aurelius (Roger Parrott in Big Finish: Babblesphere)
- Autloc (4 episodes, e.g. Keith Pyott in The Aztecs: The Temple of Evil)
- Autocorrect (4 episodes, e.g. Barnaby Edwards in Big Finish: Diary of River Song: Series 2: The Unknown)
- Auton (30 episodes, e.g. Alan Ruscoe in Rose)
- Auton Leader (2 episodes, e.g. Pat Gorman in Terror of the Autons: Episode Four)
- Auton Policeman (2 episodes, e.g. Terry Walsh in Terror of the Autons: Episode Three)
- Auton Voice (2 episodes, e.g. Haydn Jones in Terror of the Autons: Episode Four)
- Autumn Tace (Sophie Wu in Big Finish: The Star Men)
- Avers (2 episodes, e.g. David Dobson in Big Finish: The Fearless Part 2: The Fearless Part 1)
- Avery (2 episodes, e.g. Jot Davies in Big Finish: Who Killed Toby Kinsella?)
- Avery, Henry (2 episodes, e.g. Hugh Bonneville in The Curse of the Black Spot)
- Avery, Toby (2 episodes, e.g. Oscar Lloyd in The Curse of the Black Spot)
- Avolaski (Jeremia K Fredrick in The Doctor's Daughter)
- Avon (2 episodes, e.g. Robert Sidaway in The Savages: Episode 1)
- Avril Fenman (Georgia Moffett in Big Finish: New Frontiers: The Curse of Fenman)
- Awsok (Barbara Flynn in Once, Upon Time: Flux: Chapter Three)
- Axel/2nd Security Guard (Alex Lowe in Big Finish: The Song of Megaptera)
- Axon (3 episodes, e.g. Geoff Brighty in The Claws of Axos: Episode Three)
- Axon Boy (John Hicks in The Claws of Axos: Episode One)
- Axon Girl (Debbie Lee London in The Claws of Axos: Episode One)
- Axon Glob (13 episodes, e.g. Clinton Morris in The Claws of Axos: Episode One)
- Axon Man (10 episodes, e.g. Bernard Holley in The Claws of Axos: Episode One)
- Axon Monster (Clinton Morris in The Claws of Axos: Episode Three)
- Axon Woman (3 episodes, e.g. Patricia Gordino in The Claws of Axos: Episode One)
- Axus (3 episodes, e.g. Richard Ireson in The Krotons: Episode One)
- Aydan (Martin Cort in The Keys of Marinus: Sentence of Death)
- Ayfer (Nicola Lloyd in Big Finish: Son of the Dragon)
- Ayl-San/Faber/Nurse (Alison Thea-Skot in Big Finish: A Death in the Family)
- Ayrton Valencia / Engineer (4 episodes, e.g. Himesh Patel in Big Finish: Diary of River Song: Series 5: The Bekdel Test)
- Aytrax (Jack Galagher in Big Finish: Return of the Daleks)
- Azagrazar (Paul Chahidi in Big Finish: BFThe End of the World)
- Azal (2 episodes, e.g. Stephen Thorne in The Dæmons: Episode Five)
- Azaxyr (3 episodes, e.g. Alan Bennion in The Monster of Peladon: Part Four)
- Aztec (9 episodes, e.g. Alice Greenwood in The Aztecs: The Temple of Evil)
- Aztec Captain (4 episodes, e.g. David Anderson in The Aztecs: The Temple of Evil)
- Aztec Warrior (25 episodes, e.g. Paul Duval in The Aztecs: The Temple of Evil)
- Azure (5 episodes, e.g. Rochenda Sandall in War of The Sontarans: Flux: Chapter Two)
- Azure / Anna (Rochenda Sandall in The Halloween Apocalypse: Flux: Chapter One)
- £10 Lady (Lorraine Joseph in The Runaway Bride)
- ‘C’/ ’G’/ Drarn (4 episodes, e.g. Francesca Hunt in Big Finish: Fourth Doctor - The Syndicate Masterplan: Volume 2: Time's Assassin)
- ‘M’/ ’S’ /Trooper (4 episodes, e.g. Christopher Naylor in Big Finish: Fourth Doctor - The Syndicate Masterplan: Volume 2: Time's Assassin)
- ‘T’/ ’B’ (4 episodes, e.g. Timothy Speyer in Big Finish: Fourth Doctor - The Syndicate Masterplan: Volume 2: Time's Assassin)