| Person | Type | Job | Role(s) |
|---|---|---|---|
 Claudio Cinini | Crew | Art | Art Direction |
 Ennio Morricone | Crew | Sound | Original Music Composer |
Fiorenzo Senese | Crew | Costume & Make-Up | Costume Design |
Francisco Canet | Crew | Art | Art Direction |
Franco Bucceri | Crew | Writing | Screenplay, Story |
Franco Fraticelli | Crew | Editing | Editor |
Manuel Rojas | Crew | Camera | Director of Photography |
 Roberto Leoni | Crew | Writing | Story, Screenplay |
 Tonino Valerii | Crew | Directing | Director |
Vittorio Biseo | Crew | Costume & Make-Up | Makeup Artist |
 Alfredo Mayo | Cast | Actor | Beniamino |
 Andrea Scotti | Cast | Actor | Witness in post office |
 Annamaria Chio | Cast | Actress | Woman witness in post office |
Antonio Spaccatini | Cast | Actor | Silvestri |
 Corrado Gaipa | Cast | Actor | Head of Insurance Company |
 Dana Ghia | Cast | Actress | Eleonora Moroni |
 Dante Maggio | Cast | Actor | Mattia Guardapelle |
 Elisa Mainardi | Cast | Actress | Servant at Moroni's home |
 Enzo Fiermonte | Cast | Actor | Jib crane owner |
Francesco Di Federico | Cast | Actor | Vincenzo Paradisi |
 George Hilton | Cast | Actor | Inspector Luca Peretti |
 Giuseppe Marrocco | Cast | Actor | Policeman in the Ansuini Crime Scene (uncredited) |
 Guerrino Crivello | Cast | Actor | Barman at Bar Latteria |
 Helga Liné | Cast | Actress | Mrs. Paradisi |
Jean-Pierre Clarain | Cast | Driver in Moroni's Home (uncredited) | |
 Lara Wendel | Cast | Actress | Stefania Moroni (as Daniela Rachele Barnes) |
 Lola Gaos | Cast | Actress | Adele Rudigiani |
 Luigi Antonio Guerra | Cast | Actor | Postman witness |
 Manuel Zarzo | Cast | Actor | Brigadier Bozzi (as Manolo Zarzo) |
 Marilù Tolo | Cast | Actress | Dr. Anna Borgese |
 Mónica Randall | Cast | Actress | Carla Moroni |
 Patty Shepard | Cast | Actress | Paola Rossi, the teacher |
 Piero Lulli | Cast | Actor | Alessandro Moroni |
 Pietro Ceccarelli | Cast | Actor | Giorgio Canavese's Bodyguard (uncredited) |
 Remo De Angelis | Cast | Actor | Mario Ansuini (uncredited) |
 Salvo Randone | Cast | Actor | Chief Marò |
 Sergio Mendizábal | Cast | Actor | Rag. Civitelli |
 Sergio Testori | Cast | Actor | Kidnapper (uncredited) |
 Sofia Dionisio | Cast | Actress | Servant at Moroni's home |
Tullio Valli | Cast | Actor | Oliviero Moroni |
 William Berger | Cast | Actor | Giorgio Canavese |
| Person | Type | Job | Role(s) |
