James Gilmore Jim Backus was an American radio, television, film, and voice actor. Among his most famous roles are the voice of nearsighted cartoon character Mr. Magoo, the rich Hubert Updike III on the radio version of The Alan Young Show, Joan Davis's character's husband on TV's I Married Joan, James Dean's character's father in Rebel Without a Cause and Thurston Howell, III on the 1960s sitcom Gilligan's Island. He also starred in his own show of one season, The Jim Backus Show, also known as...
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