An ambitious mobster plans an elaborate diamond heist while seducing the daughter-in-law of a ruthless mob patriarch as a determined police commissioner closes in on all of them.
| Directing | Henri Verneuil | Director |
| Writing | Henri Verneuil | Screenplay |
| Writing | José Giovanni | Screenplay |
| Camera | Henri Decaë | Director of Photography |
| Sound | Ennio Morricone | Original Music Composer |
| Writing | Auguste Le Breton | Novel |
| Writing | Pierre Pelegri | Screenplay |
| Editing | Pierre Gillette | Editor |
| Art | Jacques Saulnier | Production Design |
| Costume & Make-Up | Hélène Nourry | Costume Design |
| Production | Jacques-Eric Strauss | Executive Producer |
| Sound | Jean Rieul | Sound Engineer |
| Writing | José Giovanni | Dialogue |
| Sound | Marcel Corvaisier | Assistant Sound Engineer |
| Sound | Vartan Karakeusian | Assistant Sound Engineer |
| Camera | Charles-Henri Montel | Camera Operator |
| Camera | François Lauliac | Assistant Camera |
| Camera | Jean-Paul Cornu | Assistant Camera |
| Directing | Marc Grunebaum | Assistant Director |
| Directing | Bernard Stora | Assistant Director |
| Art | Georges Glon | Assistant Production Design |
| Art | Jean-Jacques Caziot | Assistant Production Design |
| Art | Gérard Viard | Assistant Production Design |
| Costume & Make-Up | Michel Deruelle | Makeup Artist |
| Costume & Make-Up | Georges Bouban | Makeup Artist |
| Costume & Make-Up | Yvonne Gasperina | Makeup Artist |
| Costume & Make-Up | Fernande Hugi | Makeup Artist |
| Costume & Make-Up | Simone Knapp | Hairstylist |
| Production | Gérard Crosnier | Unit Manager |
| Production | Evelyne Janic | Casting |
| Art | Charles Merangel | Set Decoration |
| Art | René Albouze | Property Master |
| Camera | Victor Rodrigue | Still Photographer |
| Editing | Annie Vital | Assistant Editor |
| Editing | Florence Eymon | Assistant Editor |
| Sound | Bruno Nicolai | Conductor |
| Production | Jacques Juranville | Production Manager |
| Production | Henri Verneuil | Producer |
