|First Doctor||William Hartnell||23 Nov 1963||29 Oct 1966|
- William Hartnell was the original and 1st Doctor Who.
- The first Doctor companions are Susan Foreman (Carole Ann Ford), Barbara Wright (Jacqueline Hill), Ian Chesterton (William Russell), Vicki (Maureen O’Brien), Steven Taylor (Peter Purves), Katarina (Adrienne Hill), Sara Kingdom (Jean Marsh), Dodo Chaplet (Jackie Lane), Polly (Anneke Wills) and Ben Jackson (Michael Craze).
|Second Doctor||Patrick Troughton||29 Oct 1966||21 Jun 1969|
- Patrick Troughton was the 2nd Doctor Who.
- The second Doctor companions are Polly (Anneke Wills), Ben Jackson (Michael Craze), Jamie McCrimmon (Frazer Hines and Hamish Wilson), Victoria Waterfield (Deborah Watling), Zoe Heriot (Wendy Padbury) and Brigadier Lethbridge-Stewart (Nicholas Courtney).
|Third Doctor||Jon Pertwee||3 Jan 1970||8 Jun 1974|
- Jon Pertwee was the 3rd Doctor Who.
- The third Doctor companions are Liz Shaw (Caroline John), Jo Grant (Katy Manning) and Sarah Jane Smith (Elisabeth Sladen).
|Fourth Doctor||Tom Baker||8 Jun 1974||21 Mar 1981|
- Tom Baker was the 4th Doctor Who.
- The fourth Doctor companions are Sarah Jane Smith (Elisabeth Sladen), Harry Sullivan (Ian Marter), Leela (Louise Jameson), K-9 Mark 1 (voice of John Leeson), K-9 Mark 2 (voices of John Leeson and David Brierley), Romana (Mary Tamm then Lalla Ward), Adric (Matthew Waterhouse), Tegan Jovanka (Janet Fielding) and Nyssa (Sarah Sutton).
|Fifth Doctor||Peter Davison||21 Mar 1981||16 Mar 1984|
- Peter Davison was the 5th Doctor Who.
- The fifth Doctor companions are Adric (Matthew Waterhouse), Tegan Jovanka (Janet Fielding), Nyssa (Sarah Sutton), Vislor Turlough (Mark Strickson), Kamelion (voice of Gerald Flood) and Peri Brown (Nicola Bryant).
|Sixth Doctor||Colin Baker||16 Mar 1984||6 Dec 1986|
- Colin Baker was the 6th Doctor Who.
- The sixth Doctor companions are Peri Brown (Nicola Bryant) and Mel Bush (Bonnie Langford).
|Seventh Doctor||Sylvester McCoy||7 Sep 1987||6 Dec 1989|
- Sylvester McCoy was the 7th Doctor Who.
- The seventh Doctor companions are Mel Bush (Bonnie Langford) and Ace (Sophie Aldred).
|Eighth Doctor||Paul McGann||27 May 1996|
- Paul McGann was the 8th Doctor Who.
- The eighth Doctor’s companion is Grace Holloway (Daphne Ashbrook).
|Ninth Doctor||Christopher Eccleston||6 Mar 2005||18 Jun 2005|
- Christopher Eccleston was the 9th Doctor Who
- The Ninth Doctor companions are Rose Tyler (Billie Piper), Adam Mitchell (Bruno Langley) and Jack Harkness (John Barrowman).
|Tenth Doctor||David Tennant||18 Jun 2005||1 Jan 2010|
- David Tennant was the 10th Doctor Who.
- The tenth Doctor companions are Rose Tyler (Billie Piper), Mickey Smith (Noel Clarke), Donna Noble (Catherine Tate), Martha Jones (Freema Agyeman), Captain Jack Harkness (John Barrowman), Astrid Peth (Kylie Minogue), Sarah Jane Smith (Elisabeth Sladen), Jackson Lake (David Morrissey), Lady Christina de Souza (Michelle Ryan), Adelaide Brooke (Lindsay Duncan) and Wilfred Mott (Bernard Cribbins).
|Eleventh Doctor||Matt Smith||1 Jan 2010||25 Dec 2013|
- Matt Smith was the 11th Doctor Who
- The eleventh Doctor companions are Amy Pond (Karen Gillan), Rory Williams (Arthur Darvill), River Song (Alex Kingston), Craig Owens (James Corden) and Clara Oswald (Jenna Coleman).
|Twelfth Doctor||Peter Capaldi||25 Dec 2013||2017|
- Peter Capaldi is the current and 12th Doctor.
- The twelfth Doctor companions are Clara Oswald (Jenna Coleman), River Song (Alex Kingston), Nardole (Matt Lucas) and Bill Potts (Pearl Mackie).
|Thirteenth Doctor||Jodie Whittaker||2017|
- Jodie Whittaker is the first female Doctor Who, the 13th Doctor Who and the current Doctor Who.
- Jodie Whittaker made her debut in the 2017 Dr Who “Twice Upon a Time” Christmas special.
- Jodie Whittaker’s first full series as the Doctor was broadcast by the BBC and premiered in the UK in October 2018.
- The thirteenth Doctor companions are Graham O’Brien (Bradley Walsh), Yasmin Khan (Mandip Gill) and Ryan Sinclair (Tosin Cole).