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Buddy Ebsen was originally cast as the Tin Man in The Wizard of Oz, but was replaced when the paint used to make him appear metallic caused him to get very sick and put him in the hospital. Louis B. Mayer swore him to secrecy, though the casting was eventually made public on a Wizard of Oz television special.
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Marlon Brando originally wanted to portray Jor-El as a toaster, theorizing that since he was an alien, viewers wouldn't know what he looked like. Director Richard Donner eventually brought him to his senses.
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Long before the Studio Tour at Universal had an actor portraying Norman Bates on the backlot, a group of tourists were shocked when a crazed knife wielding lunatic ran out and menaced the tram to the shock of the tour guide. Had a killer somehow made his way onto the lot? No, it was Jim Carrey, who was blowing off some steam between scenes. The delighted tourists were treated to one of a kind pictures and autographs from the Canadian funny man.
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