Paris, France, December 1946. Jenny Lamour, an ambitious cabaret singer, and Maurice, her extremely jealous pianist husband, become involved in the thorough investigation of the murder of a shady businessman, led by Antoine, a peculiar and methodical police inspector.
| Directing | Henri-Georges Clouzot | Director |
| Writing | Henri-Georges Clouzot | Dialogue |
| Writing | Stanislas-André Steeman | Novel |
| Sound | Francis Lopez | Original Music Composer |
| Writing | Jean Ferry | Screenplay |
| Production | Roger de Venloo | Producer |
| Writing | Henri-Georges Clouzot | Screenplay |
| Camera | Armand Thirard | Director of Photography |
| Editing | Charles Bretoneiche | Editor |
| Directing | Serge Vallin | Assistant Director |
| Writing | Jean Ferry | Dialogue |
| Writing | André Hornez | Lyricist |
| Art | Max Douy | Production Design |
| Costume & Make-Up | Jacques Fath | Costume Designer |
| Production | Lucien Lippens | Unit Manager |
| Camera | Louis Née | Camera Operator |
| Sound | William Robert Sivel | Sound Engineer |
| Sound | Albert Lasry | Music Director |
| Production | Louis Wipf | Production Director |
| Crew | Henri Sorbets | Technical Advisor |
