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Tex Avery as Fight Referee (voice) (uncredited) |
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Mel Blanc as Record Boxing Coach / Old Mailman / Fighter's Yell (voice) (uncredited) |
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Cliff Nazarro as Egghead (voice) (uncredited) |
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Dave Weber as Various (voice) (uncredited) |
| Writing | Melvin Millar | Story |
| Visual Effects | Rod Scribner | Animation |
| Editing | Treg Brown | Editor |
| Directing | Ben Hardaway | Director |
| Production | Leon Schlesinger | Producer |
| Sound | Carl W. Stalling | Original Music Composer |
| Directing | Cal Dalton | Director |
| Visual Effects | Herman Cohen | Animation |
