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Mel Blanc as Speedy Gonzales / Sylvester / Mice (voice) |
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Tom Holland as Mice (voice) (uncredited) |
| Directing | Robert McKimson | Director |
| Production | John W. Burton | Producer |
| Visual Effects | Tom Ray | Animation |
| Editing | Treg Brown | Editor |
| Visual Effects | Warren Batchelder | Animation |
| Visual Effects | Ted Bonnicksen | Animation |
| Visual Effects | George Grandpré | Animation |
| Sound | Milt Franklyn | Original Music Composer |
