A small-time con man on the run from the gangster-husband of his girlfriend hides out in a strange, brooding mansion run by two mysterious women, where he finds himself trapped in deception between the two women.
| Writing | Pascal Jardin | Screenplay |
| Editing | Fedora Zincone | Editor |
| Sound | Lalo Schifrin | Original Music Composer |
| Writing | Pascal Jardin | Dialogue |
| Writing | Day Keene | Novel |
| Production | Jacques Bar | Producer |
| Writing | Charles Williams | Screenplay |
| Directing | René Clément | Director |
| Camera | Henri Decaë | Director of Photography |
| Art | Jean André | Production Design |
| Costume & Make-Up | Pierre Balmain | Costume Design |
| Costume & Make-Up | Aïda Carange | Makeup Artist |
| Directing | Costa-Gavras | Assistant Director |
| Sound | Antoine Bonfanti | Sound Designer |
| Writing | René Clément | Screenplay |
| Writing | Charles Williams | Dialogue |
| Costume & Make-Up | Alex Archambault | Hairstylist |
| Costume & Make-Up | Jacques Dessange | Hairstylist |
