Sandra Dickinson (née Searles) is an American-British actress. She trained at the Central School of Speech and Drama in London. She has often played characters within the trope of a dumb blonde with a high-pitched voice. Early life Dickinson was born in Washington, D.C. and grew up in Maryland with her younger brother. Her father, Harold F. Searles, was a psychoanalyst. Her mother, Sulvii "Sylvia" Manninen, of Finnish descent, was a nurse. Career She made her acting debut as a waitress in the 1973 British film The Final Programme. She is perhaps most well-known for her role of Trillian in the TV series of Douglas Adams's The Hitchhiker's Guide to the Galaxy. She has appeared in films including Superman III, Supergirl, StagKnight, Ready Player One and The Batman. She has provided the American voice of Jemima Puddle-Duck in the British animated children's television series The World of Peter Rabbit and Friends, the Voice Trumpets in the US dub of Teletubbies, Bitchin' Betty in the 1996 film Space Truckers, and Chico in Counterfeit Cat. She has made guest appearances on shows, such as Philip Marlowe, Private Eye, Casualty, New Tricks, Holby City, Uncle, Doctors and White Van Man. Personal life Dickinson married actor Peter Davison on December 26, 1978, and they were divorced in 1994. Together they composed and performed the theme tune to the 1980s children's programme Button Moon. They have a daughter, Georgia Tennant, who is also an actress. Dickinson married her third husband, another British actor and singer, Mark Osmond, on August 16, 2009. The wedding was filmed for Four Weddings, a reality TV show where four couples compete to have theirs voted the best wedding; hers came third. Osmond is the lead singer of the band Bigger Than Mary, who played at the wedding. Her grandson gave her away. The wedding took place in Shepperton, where the couple lived at the time. Dickinson became a British citizen the same year. With her husband, she runs the Shepperton-based stage school Close Up Theatre School. She was also an occasional guest panellist on the BBC quiz show Blankety Blank in the early 1980s. Filmography TV Film Her film and TV roles include: Birds Eye Beefburger TV advertisements, directed by Alan Parker, in the early 1970s. Emily in A Man for Emily in The Tomorrow People (1975). Her future husband Peter Davison played her on-screen brother. Trillian in the 1981