After stealing a diamond from Mylène Demongeot, Richard hides it inside a guitar. But on returning to the music shop he discovers that the precious instrument has just been sold! The problem is complicated by the fact that five stars all bought the same model that morning...
| Directing | Michel Boisrond | Director |
| Writing | Annette Wademant | Adaptation |
| Writing | Richard Balducci | Scenario Writer |
| Art | Jacques Gut | Production Design |
| Production | Mario Chabert | Producer |
| Camera | Raymond Lemoigne | Director of Photography |
| Editing | Geneviève Vaury | Editor |
| Sound | Georges Garvarentz | Original Music Composer |
| Costume & Make-Up | Louis Bonnemaison | Key Makeup Artist |
| Sound | Julien Coutelier | Sound |