1920

January

 * 20 - Toshiko Sato's grandfather was born in Japan. (TW: Captain Jack Harkness)

December

 * 5 - Kathy Nightingale, having been touched by the Weeping Angels in 2007, was transported to Hull on this date. Stranded, she established a new life for herself, eventually marrying Ben Wainwright and raising a family. (DW: Blink)

January

 * 3 - Peter Stephens (Cyril and the Knave of Hearts in DW: The Celestial Toymaker and Lolem in DW: The Underwater Menace) was born.
 * 11 - Derek Sydney, who played Sevcheria in DW: The Romans, was born in Whitechapel, London.
 * 23 - Steven Scott, who played Kebble in DW: The Power of the Daleks, was born.

February

 * 6 - Reginald Jessup (the Servant in DW: The Massacre of St Bartholomew's Eve and Savar in DW: The Invasion of Time) was born.

March

 * 14 - Pamela Stirling, who played a guide in the Louvre in DW: City of Death, was born.
 * 25 - Patrick Troughton, who portrayed the Second Doctor, was born at Mill Hill, London.
 * 27 - Bernard Wilkie was born.

April

 * 17 - Arnold Yarrow (Bellal in DW: Death to the Daleks) was born.

June

 * 6 - Aubrey Richards (Professor Parry in DW: The Tomb of the Cybermen) was born.
 * 17 - Beryl Reid (Briggs in DW: Earthshock) was born.

August

 * 9 - Graham Leaman, who appeared in six different roles in Doctor Who, was born.

September

 * 17 - Dinah Sheridan (Flavia in DW: The Five Doctors) was born.

October

 * 7 - Will Stampe was born.
 * 16 - John Dearth, who voiced BOSS in DW: The Green Death and played Lupton in DW: Planet of the Spiders, was born.

November

 * 14 - Tom Bowman, who played a sentry in DW: The Highlanders, was born.
 * 22 - Paul Erickson, who wrote DW: The Ark with Lesley Scott, as well as its novelisation, was born.

December

 * 1 - Eric Dodson, who played the Headman in DW: The Visitation, was born.
 * 7 - Hayden Jones (Lenny Vosper in DW: The Mind of Evil) was born.

Unknown date

 * Robert Jewell, who operated Daleks in several episodes of Doctor Who and both of the Dalek films starring Peter Cushing, was born.