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Dave Barry as Cary Grant / Clark Gable / Bing Crosby / Lewis Stone / Ned Sparks / Groucho Marx (voice) (uncredited) |
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Sara Berner as Greta Garbo / Coat Check Girl / Henry Fonda's Mother / Dorothy Lamour (voice) (uncredited) |
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Mel Blanc as Jerry Colonna / Peter Lorre (voice) (uncredited) |
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Kent Rogers as Jimmy Stewart / Mickey Rooney / Henry Fonda (voice) (uncredited) |
| Writing | Melvin Millar | Story |
| Sound | Carl W. Stalling | Original Music Composer |
| Production | Leon Schlesinger | Producer |
| Visual Effects | Robert McKimson | Animation |
| Editing | Treg Brown | Editor |
| Visual Effects | Virgil Ross | Animation |
| Visual Effects | Rod Scribner | Animation |
| Directing | Tex Avery | Director |
| Sound | Treg Brown | Sound Effects Editor |
