| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albino Cocco | Crew | Directing | First Assistant Director |
 Alejandro Ulloa | Crew | Camera | Director of Photography |
 Alessandro Alessandroni | Crew | Sound | Musician |
Antonio Benetti | Crew | Camera | Still Photographer |
Edmondo Amati | Crew | Production | Producer |
Giovanni Bergamini | Crew | Camera | Camera Operator |
 Gray Frederickson | Crew | Production | Production Assistant |
Iole Cecchini | Crew | Costume & Make-Up | Hairstylist |
José Luis Martínez Mollá | Crew | Writing | Screenplay |
Lucia Mirisola | Crew | Costume & Make-Up | Costume Design |
 Lucio Fulci | Crew | Directing | Director, Story, Screenplay |
Luis Méndez | Crew | Production | Production Manager |
Mario Ligobbi | Crew | Sound | Sound |
Massimo Castellani | Crew | Directing | First Assistant Director |
Massimo Manasse | Crew | Production | Unit Manager |
Nedo Azzini | Crew | Art | Production Design |
Ornella Micheli | Crew | Editing | Editor |
Paolo Vandini | Crew | Production | Production Secretary |
Pier Luigi Basile | Crew | Art | Set Decoration |
 Raffaele Mottola | Crew | Crew | Dialogue Coach |
Renato Jaboni | Crew | Production | Line Producer |
 Riz Ortolani | Crew | Sound | Original Music Composer |
Roberto Gianviti | Crew | Writing | Story, Screenplay |
Román Calatayud | Crew | Art | Production Design |
Giuseppe Banchelli | Crew | Costume & Make-Up | Makeup Artist |
Vittoria Vigorelli | Crew | Directing | Script Supervisor |
Alessandro De Santis | Crew | Art | Assistant Production Design |
Giovanni Bonivento | Crew | Camera | Assistant Camera |
Francisco J. Tudela | Crew | Production | Unit Manager |
Concetta Pacini | Crew | Editing | Assistant Editor |
Nino Culasso | Crew | Sound | Musician |
Gino Marinacci | Crew | Sound | Musician |
 Alberto de Mendoza | Cast | Actor | Henry Dumurrier |
Bill Vanders | Cast | Actor | Insurance Agent |
 Bobby Rhodes | Cast | Actor | Prison Guard |
 Elsa Martinelli | Cast | Actress | Jane Bleeker |
 Faith Domergue | Cast | Actress | Marta |
 Franco Balducci | Cast | Actor | Officer Loveday |
 Félix Dafauce | Cast | Actor | Royal Insurance Official |
 Geoffrey Copleston | Cast | Actor | District Attorney |
 George Rigaud | Cast | Actor | Arthur Mitchell |
 Giuseppe Addobbati | Cast | Actor | Brent |
 Jean Sobieski | Cast | Actor | Larry |
 Jean Sorel | Cast | Actor | Dr. George Dumurrier |
 Jesús Puente | Cast | Actor | Sergeant Rodriguez |
 John Ireland | Cast | Actor | Inspector Wald |
Lucio Fulci | Cast | Actor | Graphologist |
 Malisa Longo | Cast | Actress | Elizabeth O'Neill |
 Marisa Mell | Cast | Actress | Susan Dumurrier / Monica Weston |
Raffaele Mottola | Cast | Actor | Governor |
 Riccardo Cucciolla | Cast | Actor | Benjamin Wormser |
| Person | Type | Job | Role(s) |
