Paramutual Pictures wants to know where all the money is going so they hire Morty to be their spy. Morty works for Mr. Sneak and gets a job in the mail room so that he can have access to the lot. But all that Morty ever finds is that he can cause havoc no matter what he does.
| Writing | Bill Richmond | Writer |
| Directing | Jerry Lewis | Director |
| Writing | Jerry Lewis | Writer |
| Directing | Ralph Axness | Assistant Director |
| Camera | W. Wallace Kelley | Director of Photography |
| Costume & Make-Up | Edith Head | Costume Design |
| Costume & Make-Up | Sy Devore | Wardrobe Designer |
| Art | Arthur Lonergan | Art Direction |
| Art | James W. Payne | Set Decoration |
| Sound | Charles Grenzbach | Sound Recordist |
| Sound | Walter Scharf | Original Music Composer |
| Sound | Phil Boutelje | Music Coordinator |
| Crew | Marvin Weldon | Dialogue Coach |
| Directing | Eleanor H. Donahoe | Script Supervisor |
| Costume & Make-Up | Nellie Manley | Hair Supervisor |
| Art | Hal Pereira | Art Direction |
| Art | Sam Comer | Set Decoration |
| Production | Arthur P. Schmidt | Associate Producer |
| Editing | Stanley E. Johnson | Editor |
| Sound | Hugo Grenzbach | Sound Recordist |
| Production | Ernest D. Glucksman | Producer |
| Costume & Make-Up | Wally Westmore | Makeup Supervisor |
| Production | Marshall Katz | Producer's Assistant |
| Sound | Leo Shuken | Orchestrator |
| Production | William Davidson | Production Manager |
| Sound | Jack Hayes | Orchestrator |
