An incomplete selection of actors who have appeared in Doctor Who, in reverse order by date of birth.
An incomplete selection of actors who have appeared in Doctor Who, in reverse order by date of birth.
| Blue: Mainly 20th century | Red: Mainly 21st century |
| Born | Doctor | Companion | Other | Appearances | Died |
| 2004-06-19 | Millie Gibson (Ruby) | 2023– | |||
| 2002-07-18 | Sydney Wade (Melody) | 2011 | |||
| 2000-06-23 | Caitlin Blackwood (Amelia) | 2010–2011 | |||
| 1997-04-15 | Maisie Williams (Ashildr/Me) | 2015 | |||
| 1992-10-15 | Ncuti Gatwa #15 | 2023– | |||
| 1992-07-23 | Tosin Cole (Ryan) | 2018–2021 | |||
| 1988-01-29 | Catrin Stewart (Jenny Flint) | 2011–2014 | |||
| 1988-01-05 | Mandip Gill (Yasmin) | 2018–2022 | |||
| 1987-11-28 | Karen Gillan (Amy) | 2010–2013 | |||
| 1987-05-29 | Pearl Mackie (Bill) | 2017 | |||
| 1986-04-27 | Jenna Coleman (Clara) | 2012–2015, 2017 | |||
| 1985-10 | Nina Toussaint-White (Mels) | 2011 | |||
| 1984-12-25 | Georgia Moffett (Jenny) | 2008 | |||
| 1984-05-01 | Sacha Dhawan (Master #9) | 2020 | |||
| 1982-10-28 | Matt Smith #11 | 2010–2014 | |||
| 1982-09-22 | Billie Piper (Rose) | 2005–2006, 2008, 2010, 2013 | |||
| 1982-06-17 | Arthur Darvill (Rory) | 2010–2012 | |||
| 1982-06-17 | Jodie Whittaker #13 | 2017–2022 | |||
| 1980-09-15 | Jo Martin #0 (Fugitive) | 2020–2021 | |||
| 1979-03-20 | Freema Agyeman (Martha) | 2007–2008, 2010 | |||
| 1975-12-06 | Noel Clarke (Mickey) | 2005–2010 | |||
| 1974-03-05 | Matt Lucas (Nardole) | 2015–2017 | |||
| 1972-04-09 | Neve McIntosh (Mme Vastra) | 2011–2014 | |||
| 1971-04-18 | David Tennant #10, #14 | 2005–2010, 2013, 2023 | |||
| 1970-07-10 | John Simm (Master #7) | 2007, 2009–2010, 2017 | |||
| 1969-12-05 | Catherine Tate (Donna) | 2006, 2008–2010 | |||
| 1967-03-11 | John Barrowman (Jack) | 2005, 2007–2008, 2010, 2020–2021 | |||
| 1966-11-30 | John Bishop (Dan) | 2021–2022 | |||
| 1966-11-23 | Michelle Gomez (Missy, Master #8) | 2014–2017 | |||
| 1964-07-22 | Bonnie Langford (Mel) | 1986–1987 | |||
| 1964-02-16 | Christopher Eccleston #9 | 2005 | |||
| 1965-04-18 | Camille Coduri (Jackie Tyler) | 2005–2010 | |||
| 1965-01-14 | Jemma Redgrave (Kate Stewart) | 2012–2015, 2021 | |||
| 1963-03-11 | Alex Kingston (River) | 2008–2015 | |||
| 1962-08-20 | Sophie Aldred (Ace) | 1987–1989 | |||
| 1961-12-19 | Matthew Waterhouse (Adric) | 1980–1982 | |||
| 1961-12-12 | Sarah Sutton (Nyssa) | 1981–1983 | |||
| 1960-10-11 | Nicola Bryant (Peri) | 1984–1986 | |||
| 1960-06-04 | Bradley Walsh (Graham) | 2018–2021 | |||
| 1959-04-06 | Mark Strickson (V. Turlough) | 1983–1984 | |||
| 1959-11-14 | Paul McGann #8 | 1996, 2013 | |||
| 1958-04-14 | Peter Capaldi #12 | 2013–2017 | |||
| 1956-04-18 | Eric Roberts (Master #5) | 1996 | |||
| 1953-09-09 | Janet Fielding (Tegan) | 1981–1984 | |||
| 1951-06-28 | Lalla Ward (Romana 2) | 1979–1981 | |||
| 1951-04-20 | Louise Jameson (Leela) | 1977–1978 | |||
| 1951-04-13 | Peter Davison #5 | 1981–1984, 2007 | |||
| 1950-03-22 | Mary Tamm (Romana 1) | 1978–1979 | 2012-07-26 | ||
| 1948-01-02 | Deborah Watling (Victoria) | 1967–1968 | 2017-07-21 | ||
| 1947-12-07 | Wendy Padbury (Zoe) | 1968–1969, 1983 | |||
| 1946-10-14 | Katy Manning (Jo) | 1971–1973 | |||
| 1946-06-03 | Penelope Wilton (Harriet Jones) | 2005, 2008 | |||
| 1946-02-01 | Elisabeth Sladen (Sarah) | 1973-1976, 1983, 2006, 2008, 2009 | 2011-04-19 | ||
| 1944-09-22 | Frazer Hines (Jamie) | 1966–1969, 1983, 1985 | |||
| 1943-08-20 | Sylvester McCoy #7 | 1987–1989, 1996 | |||
| 1943-06-29 | Maureen O'Brien (Vicki) | 1965 | |||
| 1943-06-08 | Colin Baker #6 | 1984–1986 | |||
| 1942-11-29 | Michael Craze (Ben) | 1966– 1967 | 1998-12-08 | ||
| 1942-04-17 | David Bradley #1c | 2017 | |||
| 1941-12-24 | John Levene (J. Benton) | 1968–1975 | |||
| 1941-10-20 | Anneke Wills (Polly) | 1966–1967 | |||
| 1941-07-10 | Jackie Lane (Dodo) | 1966 | 2021-06-23 | ||
| 1941-01-15 | Geoffrey Beevers (Master #3) | 1981 | |||
| 1940-09-19 | Caroline John (Liz) | 1970, 1983 | 2012-06-05 | ||
| 1940-06-16 | Carole Ann Ford (Susan) | 1963–1964, 1983 | |||
| 1940-01-22 | John Hurt #8½ (War) | 2013 | 2017-01-25 | ||
| 1939-02-10 | Peter Purves (Steven) | 1965–1966 | |||
| 1938-10-22 | Derek Jacobi (Master #6) | 2007 | |||
| 1936-01-15 | Richard Franklin (M. Yates) | 1971–1974, 1983 | |||
| 1934-01-20 | Tom Baker #4 | 1974–1981 | |||
| 1932-08-20 | Anthony Ainley (Master #4) | 1981–1989 | 2004-05-03 | ||
| 1929-12-17 | Jacqueline Hill (Barbara) | 1963–1965 | 1993-02-18 | ||
| 1929-12-16 | Nicholas Courtney (A.G. Lethbridge-Stewart) | 1965–1989 | 2011-02-22 | ||
| 1928-12-29 | Bernard Cribbins (Wilfred) | 2007–2010 | 2022-07-27 | ||
| 1924-11-19 | William Russell (Ian) | 1963–1965 | |||
| 1923-03-21 | Peter Pratt (Master #2) | 1976 | 1995-01-11 | ||
| 1920-03-25 | Patrick Troughton #2 | 1966–1969, 1972–1973, 1983, 1985 | 1987-03-28 | ||
| 1919-07-07 | Jon Pertwee #3 | 1970–1974, 1983 | 1996-05-20 | ||
| 1918-03-01 | Roger Delgado (Master #1) | 1971–1973 | 1973-06-18 | ||
| 1913-05-26 | Peter Cushing (films) | 1965–1966 | 1994-08-11 | ||
| 1910-11-03 | Richard Hurndall #1b | 1983 | 1984-04-13 | ||
| 1908-01-08 | William Hartnell #1a | 1963–1966, 1972–1973 | 1975-04-23 |