On 23 April, a number of people important to the production of Doctor Who and its spin-offs either died or were born.
- 1904 - Actor Leslie French was born.
- 1921 - Actor Gerald Campion was born.
- 1922 - Actor Jack May was born.
- 1955 - Actor Fumi Hirano was born.
- 1961 - Penciller Art Wetherell was born.
- 1968 - Actor Ricky Groves was born.
- 1974 - Actor Verona Joseph was born.
- 1975 - Actor William Hartnell died.
- 1998 - Actor Denis Goacher died.
- 2010 - Actor Eiji Kusuhara died.
- 2013 - Actor Norman Jones died.