Trivia

Mother-in-law of David Tennant.

Sandra Dickinson modeled for master effects creator Ray Harryhausen, her head and face providing the basic cast used to develop Medusa's severed head in 'Clash of the Titans'(1981).

Mother, with Peter Davison, of actress Georgia Tennant.

In a bizarre twist, plays Tricia McMillan (the alter ego of Trillian) in the new "Quandary Phase" episodes of "The Hitch Hiker's Guide To The Galaxy" BBC4 radio series, from book 4 of the late Douglas Adams' "Hitch Hiker's Trilogy", "So Long, and Thanks For All The Fish". Dickinson played Trillian/Tricia in The Hitch Hiker's Guide to the Galaxy (1981), but Susan Sheridan, who originated the role on radio, continues to play Trillian in the new episodes. (May 2005)

Her grandson, Tyler Peter Moffett, was born in May 2002.

Graduated 1966 from Walter Johnson Senior High School, Bethesda, MD

Trained at the Central School of Speach and Drama.