4 November 1971: birth of Robyn Moore who plays Jorjie's mother June Turner in K9 (2009-2010).
4 November 1998: birth of Bear McCausland, who played Jack's ill-fated grandson Steven in Torchwood: Children of Earth (2009). I doubt if I will note any more recent birth than his.
ii) broadcast anniversaries
4 November 1967: broadcast of sixth episode of The Abominable Snowmen. The Doctor and friends destroy the Yeti controls, and Padmasambhava dies cutting the Intelligence's link to earth. Travers spots a real Yeti.
4 November 1978: broadcast of second episode of The Stones of Blood. The stones attack Boscombe Hall, and Vivien Fay attacks Romana, who disappears into thin air.