An artist has an opportunity to go to Paris and wants to bring his fiancee along. However, she's a psychiatrist who currently has three female patients who don't like men. So, he guises himself as three different men to gauge their trust and hopefully cure them so that his fiancee can go with him.
| Directing | Jerry Lewis | Director |
| Writing | Bob Ross | Screenplay |
| Writing | Samuel A. Taylor | Screenplay |
| Writing | Arne Sultan | Story |
| Writing | Marvin Worth | Story |
| Costume & Make-Up | Sy Devore | Wardrobe Designer |
| Costume & Make-Up | Joyce Morrison | Hairstylist |
| Directing | Rusty Meek | Assistant Director |
| Production | Howard Pine | Unit Production Manager |
| Directing | Hal Bell | Second Assistant Director |
| Directing | Richard Chaffee | Script Supervisor |
| Sound | Charles J. Rice | Sound Supervisor |
| Costume & Make-Up | Ben Lane | Makeup Supervisor |
| Sound | Walter Goss | Sound |
| Art | Leo K. Kuter | Art Direction |
| Costume & Make-Up | Jack Stone | Makeup Artist |
| Editing | Joe Luciano | Assistant Editor |
| Camera | Dick Johnson | Camera Operator |
| Costume & Make-Up | Virginia Jones | Hair Designer |
| Editing | Russel Wiles | Editor |
| Production | Joe E. Stabile | Associate Producer |
| Art | Howard Bristol | Set Decoration |
| Costume & Make-Up | Moss Mabry | Costume Design |
| Camera | W. Wallace Kelley | Director of Photography |
| Production | Jerry Lewis | Producer |
| Crew | Eddie Ryder | Dialogue Coach |
| Crew | Gene LeBell | Stunts |
