| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alain Delon | Crew | Production | Producer |
 Duccio Tessari | Crew | Directing | Director |
 Enrico Sasso | Crew | Camera | Camera Operator |
Franco Verucci | Crew | Writing | Story, Screenplay |
Gianni Ferrio | Crew | Sound | Original Music Composer |
Lorenzo Baraldi | Crew | Art | Production Design |
 Luciano Martino | Crew | Production | Producer |
Mario Morra | Crew | Editing | Editor |
 Raymond Danon | Crew | Production | Producer |
Roberto Gandus | Crew | Writing | Screenplay |
Silvano Ippoliti | Crew | Camera | Director of Photography |
Ugo Liberatore | Crew | Writing | Screenplay |
Alain Delon | Cast | Actor | Tony Arzenta |
 Alberto Farnese | Cast | Actor | The Man who meets Carré in the nightclub |
 Anton Diffring | Cast | Actor | Hans Grunwald (uncredited) |
 Carla Calò | Cast | Actress | Arzenta's Mother |
 Carla Gravina | Cast | Actress | Sandra |
 Claudio Ruffini | Cast | Actor | Carre's Bodyguard (uncredited) |
 Corrado Gaipa | Cast | Actor | Arzenta's Father |
 Erika Blanc | Cast | Actress | The Prostitute as a decoy |
 Ettore Manni | Cast | Actor | Gesmundo |
Giancarlo Sbragia | Cast | Actor | Luca Dennino |
 Guido Alberti | Cast | Actor | Don Mariano |
 Lino Troisi | Cast | Actor | Rocco Cutitta |
 Loredana Nusciak | Cast | Actress | Gesmundo's Lover |
Luis Suárez | Cast | ||
 Marc Porel | Cast | Actor | Domenico Maggio |
 Maria Pia Conte | Cast | Actress | Carre's Secretary in the Nightclub (uncredited) |
 Nicoletta Machiavelli | Cast | Actress | Anna |
 Richard Conte | Cast | Actor | Nick Gusto |
 Roger Hanin | Cast | Actor | Carré |
 Rosalba Neri | Cast | Actress | Cutitta's Wife |
 Silvano Tranquilli | Cast | Actor | Montani, the Interpol officer |
 Umberto Orsini | Cast | Actor | Isnello, Gusto's right-hand man |
Francesco Bonetti | Cast | ||
| Person | Type | Job | Role(s) |
