| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bino Cicogna | Crew | Production | Producer |
Emilio Baldelli | Crew | Art | Art Direction |
Ennio Michettoni | Crew | Art | Set Decoration |
 Ennio Morricone | Crew | Sound | Original Music Composer |
Enrico Sabbatini | Crew | Costume & Make-Up | Costume Design |
Erico Menczer | Crew | Camera | Director of Photography |
Fabrizio Gianni | Crew | Directing | Assistant Director |
 Flavio Mogherini | Crew | Art | Production Design, Set Decoration |
Franco Fraticelli | Crew | Editing | Editor |
Giancarlo De Leonardis | Crew | Costume & Make-Up | Hairstylist |
 Giuliano Montaldo | Crew | Directing | Director, Writer |
Marco Vicario | Crew | Production | Producer |
Mino Roli | Crew | Writing | Writer |
Ovid Demaris | Crew | Writing | Novel |
Romano Cardarelli | Crew | Production | Production Manager |
Michele Trimarchi | Crew | Costume & Make-Up | Makeup Artist |
Roberto Velocchio | Crew | Art | Art Direction |
Agostino Pascatti | Crew | Production | Production Manager |
Annabella Andreoli | Cast | Assunta Esposito (uncredited) | |
 Britt Ekland | Cast | Actress | Irene Tucker |
 Carla Brait | Cast | Actress | Nightclub Singer (uncredited) |
 Claudio Biava | Cast | Actor | Barclay |
Dennis Sallas | Cast | Fred Tecosky (uncredited) | |
Euplio Moscusu | Cast | ||
 Florinda Bolkan | Cast | Actress | Joni Adamo |
 Gabriele Ferzetti | Cast | Actor | Don Francesco DeMarco |
Gaetano Imbró | Cast | Actor | |
 Gena Rowlands | Cast | Actress | Rosemary Scott |
Jack Ackerman | Cast | Britten (uncredited) | |
 John Cassavetes | Cast | Actor | Hank McCain |
 Luigi Pistilli | Cast | Actor | Duke Mazzanga |
 Margherita Guzzinati | Cast | Actress | Margaret DeMarco |
Maria Mizar | Cast | ||
 Mirella Pamphili | Cast | Actress | |
 Peter Falk | Cast | Actor | Charlie Adamo |
Pierluigi Aprà | Cast | Actor | Jack McCain |
Raffaele Triggia | Cast | ||
 Salvo Randone | Cast | Actor | Don Salvatore |
 Silvana Bacci | Cast | Actress | |
 Steffen Zacharias | Cast | Actor | Abe Stilberman |
 Tony Kendall | Cast | Actor | Pete Zacari |
 Val Avery | Cast | Actor | Chuck Regan (uncredited) |
James Morrison | Cast | Joby Cuda | |
Werner Hasselmann | Cast | Actor | Sheriff (uncredited) |
Dan Gregory | Cast | Actor | The Baby Faced Killer (uncredited) |
Franco Riti | Cast | ||
| Person | Type | Job | Role(s) |
