Sandra Dickinson is an American-British actress. She trained at the Central School of Speech and Drama in London. First known for the Birds Eye Beefburger TV advertisements, directed by Alan Parker, in the early 1970s she memorably played Trillian in the 1981 television adaptation of The Hitchhiker’s Guide to the Galaxy. Sandra also appeared in Superman III, Supergirl, and more recently has been seen in Thunderbirds Are Go! TV series and the film Ready Player One.