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William Hanna as Tom's Devil / Tom / Meathead's Yelps (voice) (uncredited) |
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Clarence Nash as Tom's and Meathead's Meows and Screeches (voice) (uncredited) |
| Directing | William Hanna | Director |
| Directing | Joseph Barbera | Director |
| Production | Fred Quimby | Producer |
| Sound | Scott Bradley | Original Music Composer |
| Visual Effects | Kenneth Muse | Animation |
| Visual Effects | George Gordon | Animation |
| Visual Effects | Jack Zander | Animation |
| Visual Effects | Pete Burness | Animation |
