Related Information for Jim Backus & Friend James Gilmore Backus (February 25, 1913 – July 3, 1989) was a radio, television, film actor, character actor, and voice actor. Among his most famous roles are the voice of “Mr. Magoo,” the rich “Hubert Updike, III,” of the Alan Young radio show, Joan Davis’ husband (a domestic court judge) on TV’s I Married Joan, James Dean’s father in Rebel Without a Cause and “Thurston Howell, III” on the 1960s hit sitcom Gilligan’s Island. He also starred in his own show of one season, T.. read more