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In page Sandy Duncan:

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In 1972, an animated version of Duncan (who contributed her own voice) appeared in the "Sandy Duncan's Jekyll and Hyde" episode of the CBS Saturday-morning cartoon The New Scooby-Doo Movies; forty-eight years later, she reprised her guest star appearance in "The Dreaded Remake of Jekyll & Hyde!" episode of Scooby-Doo and Guess Who?. In 1976, she guest-starred on The Six Million Dollar Man and The Bionic Woman playing the role of Gillian in "The Return of Bigfoot" episodes. In 1978, Duncan starred in Disney's The Cat from Outer Space. From the mid-1970s through the 1980s, Duncan was the commercial spokesperson for Nabisco's Wheat Thins crackers.[citation needed]