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Mel Blanc as Tweety / Sylvester/ House Detective / Dog / Mouse (voice) |
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Bea Benaderet as Granny (voice) (uncredited) |
| Production | Edward Selzer | Producer |
| Editing | Treg Brown | Editor |
| Sound | Treg Brown | Sound Effects Editor |
| Visual Effects | Virgil Ross | Animation |
| Directing | Friz Freleng | Director |
| Sound | Eugene Poddany | Original Music Composer |
| Visual Effects | Ken Champin | Animation |
| Art | Hawley Pratt | Background Designer |
| Visual Effects | Arthur Davis | Animation |
| Writing | Warren Foster | Story |
| Writing | Tedd Pierce | Story |
| Visual Effects | Manuel Perez | Animation |
| Visual Effects | Paul Julian | Layout Supervisor |
