Sandra Dickinson (born 20 October 1948) is an American actress and the mother of Georgia Moffett, the former wife of Peter Davison and the mother-in-law of David Tennant. In 1996, she appeared as Maggie in the audio serial The Ghosts of N-Space, and appeared as Trillian in the TV series adaptation of The Hitchhiker's Guide to the Galaxy.
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