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 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.

March

 * 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 was born.
 * 17 - Beryl Reid was born.

September

 * 17 - Dinah Sheridan 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.

Unknown date

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