This list does not include stand-ins, stunt men, most actors featured in sketch comedies and send-ups or Doctors who have appeared in fan films, amateur stage shows or audios.
| Name | Tenure | First appearance | Last appearance | Other appearances |
| William Hartnell (The First Doctor) | 23 November 1963 to 29 October 1966 | An Unearthly Child Episode 1 | The Tenth Planet Episode 4 |
|
| Patrick Troughton (The Second Doctor) | 29 October 1966 to 21 June 1969 | The Tenth Planet Episode 4 | The War Games Episode Ten |
|
| Jon Pertwee (The Third Doctor) | 3 January 1970 to 8 June 1974 | Spearhead from Space Episode 1 | Planet of the Spiders Part Six |
|
| Tom Baker (The Fourth Doctor) | 8 June 1974 to 21 March 1981 | Planet of the Spiders Part Six | Logopolis Part Four |
|
| Peter Davison (The Fifth Doctor) | 21 March 1981 to 16 March 1984 | Logopolis Part Four | The Caves of Androzani Part Four |
|
| Colin Baker (The Sixth Doctor) | 16 March 1984 to 6 December 1986 | The Caves of Androzani Part Four | The Trial of a Time Lord Part Fourteen (The Ultimate Foe Episode 2) (not played by Colin Baker for regeneration in Time and the Rani; Sylvester McCoy played the part for this scene) |
|
| Sylvester McCoy (The Seventh Doctor) | 7 September 1987 to 6 December 1989 27 May 1996 in the Doctor Who television movie | Time and the Rani Part One | Doctor Who: The Movie |
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| Paul McGann (The Eighth Doctor) | 27 May 1996 in the Doctor Who television movie | Doctor Who: The Movie | Doctor Who: The Movie |
|
| Christopher Eccleston (The Ninth Doctor) | 26 March to 18 June 2005 | Rose | The Parting of the Ways |
|
| David Tennant (The Tenth Doctor) | 18 June 2005 to Present | The Parting of the Ways |
|
| Actor | Medium | Title | Dates | Role |
|---|---|---|---|---|
| Peter Cushing | Film | Dr. Who and the Daleks | 25 June 1965 | Dr. Who |
| Film | Daleks - Invasion Earth 2150 AD | 22 July 1966 | Dr. Who | |
| Trevor Martin | Stage | Doctor Who and the Daleks in the Seven Keys to Doomsday | 16 December 1974 to January 1975 | The Fourth Doctor (shown on stage to be regenerated from the Jon Pertwee Third Doctor) |
| Audio | October 2008 | The Fourth Doctor | ||
| Adrian Gibbs | Television | Logopolis | 28 February 1981 to 21 March 1981 | The Watcher (Nyssa comments, "he was the Doctor all the time.") |
| Richard Hurndall | Television | The Five Doctors | 23 November 1983 | The First Doctor (standing in for the late William Hartnell) |
| Sylvester McCoy | Television | Time and the Rani | 7 September 1987 | The Sixth Doctor (standing in for Colin Baker during the regeneration scene) |
| Michael Jayston | Television | The Trial of a Time Lord | 6 September to 6 December 1986 | The Valeyard (said to be an evil version of the Doctor, existing somewhere between his twelfth and final incarnations) |
| Audio | He Jests at Scars... | September 2003 | The Valeyard | |
| David Banks | Stage | Doctor Who - The Ultimate Adventure | 29 April 1989 | The Doctor (understudy for Jon Pertwee; performed as the Doctor for two performances when Pertwee fell ill) |
| Nick Scovell | Stage | The Planet of Storms | 1996 | The Doctor |
| Stage | The Web of Fear | June 2000 | The Second Doctor | |
| Stage | Fury From the Deep | 27 to 30 March 2002 | The Second Doctor | |
| Stage | Evil of the Daleks | 25 to 28 October 2006 | The Second Doctor | |
| Stage | The Dalek Masterplan | 24 to 27 October 2007 | The First Doctor | |
| Rowan Atkinson | Television | Doctor Who and the Curse of Fatal Death | 12 March 1999 | The Ninth Doctor (spoof version... modelled on the style of the then-current Paul McGann's Doctor) |
| Richard E. Grant | Television | Doctor Who and the Curse of Fatal Death | 12 March 1999 | The Tenth Doctor (spoof version) |
| Webcast | Scream of the Shalka | 13 November to 18 December 2003 | The unofficial Ninth Doctor | |
| Jim Broadbent | Television | Doctor Who and the Curse of Fatal Death | 12 March 1999 | The Eleventh Doctor (spoof version) |
| Hugh Grant | Television | Doctor Who and the Curse of Fatal Death | 12 March 1999 | The Twelfth Doctor (spoof version) |
| Joanna Lumley | Television | Doctor Who and the Curse of Fatal Death | 12 March 1999 | The Thirteenth Doctor (spoof version) |
| Mark Gatiss | Television | The Web of Caves | 13 November 1999 | The Doctor (spoof version) |
| Geoffrey Bayldon | Audio | Auld Mortality | May 2003 | Alternative Doctor (possibly first) |
| Audio | A Storm of Angels | January 2005 | Alternative Doctor (possibly first) | |
| David Warner | Audio | Sympathy for the Devil | June 2003 | Alternative Doctor (possibly third) |
| Audio | Masters of War | December 2008 | Alternative Doctor (possibly third) | |
| David Collings | Audio | Full Fathom Five | August 2003 | Alternative Doctor |
| Ian Brooker | Audio | Full Fathom Five | August 2003 | Alternative Doctor (uncredited) |
| Derek Jacobi | Audio | Deadline | September 2003 | A possibly delusional writer who believes he is the Doctor |
| Nicholas Briggs | Audio | Exile | September 2003 | The previous incarnation of Arabella Weir's Doctor (possibly second) |
| Arabella Weir | Audio | Exile | September 2003 | Alternative Doctor (possibly third) |
| Jon Culshaw | Audio | The Kingmaker | April 2006 | The Fourth Doctor |
| David Tennant | Television | Journey's End | 5 July 2008 | A part-human, part-Time Lord version of the Tenth Doctor. |
| Catherine Tate | Television | Journey's End | 5 July 2008 | Companion Donna Noble became the part-Time Lord "DoctorDonna" when her mind was infused with the knowledge and memories of the Doctor. |