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Mel Blanc as John Jones / Mouse / Cat / Doctors / Concert Audience Members (voice) |
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Norman Nesbitt as Narrator / Concert Audience Member / Doctor (voice) |
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Marian Richman as Mrs. Vy Jones (voice) |
| Production | Edward Selzer | Producer |
| Sound | Milt Franklyn | Original Music Composer |
| Writing | Warren Foster | Story |
| Directing | Friz Freleng | Director |
| Art | Richard H. Thomas | Background Designer |
| Visual Effects | Manuel Perez | Animation |
| Sound | Treg Brown | Sound Effects Editor |
| Visual Effects | Virgil Ross | Animation |
| Editing | Treg Brown | Editor |
| Visual Effects | Hawley Pratt | Layout Supervisor |
