Superintendent Thomas is investigating a cabaret owner with suspicious actions.
| Directing | René Jayet | Director |
| Writing | Jacques Chabannes | Screenplay |
| Production | Claude Dolbert | Producer |
| Sound | Vincent Scotto | Original Music Composer |
| Camera | Alphonse Lucas | Director of Photography |
| Editing | Renée Guérin | Editor |
| Art | Aimé Bazin | Production Design |
| Sound | René Longuet | Sound |