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Tex Avery as Ed. G. Robemsome as Killer Diller (voice) |
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Mel Blanc as Tattle-Tale Bank Clerk / Annoyed Mobster / Secret Agents / Man in Audience (voice) |
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John Deering as F.H.A. Sherlock Homes as Flat-Foot Flanigan with a Floy Floy (voice) |
| Production | Leon Schlesinger | Producer |
| Production | Henry Binder | Producer |
| Directing | Tex Avery | Director |
| Sound | Treg Brown | Sound Effects Editor |
| Sound | Carl W. Stalling | Original Music Composer |
| Visual Effects | Sidney Sutherland | Animation |
| Writing | Dave Monahan | Writer |
| Editing | Treg Brown | Editor |
