A man and a woman arrive in a cafe-hotel near the Belgian frontier. The customers recognize the man from the police's description: his name is Amedee Lange, and he murdered somebody in Paris. Lange was an employee in a printing works. His boss was a real bastard, swindling every one, seducing female workers... One day he fled to avoid facing his creditors, and the workers set up a cooperative to go on working. What then made Lange a killer?
| Writing | Jacques Prévert | Dialogue |
| Writing | Jacques Prévert | Adaptation |
| Production | André Halley des Fontaines | Producer |
| Art | Marcel Blondeau | Art Direction |
| Camera | Jean Bachelet | Director of Photography |
| Editing | Marthe Huguet | Editor |
| Editing | Marguerite Renoir | Editor |
| Writing | Jean Renoir | Screenplay |
| Directing | Jean Renoir | Director |
| Costume & Make-Up | Joseph Mejinsky | Makeup Artist |
| Writing | Jean Castanier | Story |
| Sound | Joseph Kosma | Original Music Composer |
| Sound | Jean Wiener | Original Music Composer |
| Sound | Roger Desormière | Conductor |
