| Person | Type | Job | Role(s) |
|---|---|---|---|
 Dario Argento | Crew | Production | Producer, Writer |
 Franco Fraticelli | Crew | Editing | Editor |
 Gianni Romoli | Crew | Writing | Writer |
 Iolanda Angelucci | Crew | Costume & Make-Up | Hairstylist |
 Mario Cecchi Gori | Crew | Production | Producer |
 Massimo Anzellotti | Crew | Sound | Sound Effects Editor |
Massimo Cristofanelli | Crew | Crew | Special Effects |
 Michele Soavi | Crew | Directing | Director, Writer |
 Nicola Pecorini | Crew | Camera | Steadicam Operator |
 Pino Donaggio | Crew | Sound | Music, Original Music Composer |
 Raffaele Mertes | Crew | Camera | Director of Photography |
Rosario Prestopino | Crew | Costume & Make-Up | Makeup Artist, Special Effects |
Sandro De Pascalis | Crew | Camera | Steadicam Operator |
 Sergio Stivaletti | Crew | Crew | Animatronic and Prosthetic Effects |
 Vittorio Cecchi Gori | Crew | Production | Producer |
 Massimo Antonello Geleng | Crew | Art | Production Design |
Franco Vitale | Crew | Camera | Still Photographer |
Camillo Sabatini | Crew | Camera | Camera Operator |
Mario Bagnato | Crew | Camera | Underwater Camera |
Vera Cozzolino | Crew | Costume & Make-Up | Costume Design |
Adriana Benedetti | Crew | Editing | First Assistant Editor |
Mirella Pedetti | Crew | Costume & Make-Up | Seamstress |
Giovanni Gebbia | Crew | Camera | Steadicam Operator |
Marco Lippi | Crew | Sound | Foley |
 Angelika Maria Boeck | Cast | Actress | Claire Henri |
 Carla Cassola | Cast | Actress | Dr. Pernath |
 Donald O'Brien | Cast | Actor | Justice Jonathan Ford |
 Giovanni Lombardo Radice | Cast | Actor | Martin Romero |
 Herbert Lom | Cast | Actor | Moebius Kelly |
 Mariangela Giordano | Cast | Actress | Kathryn |
Michel Adatte | Cast | Frank | |
Michele Soavi | Cast | Actor | Magician on TV (uncredited) |
Niels Gullov | Cast | Mr. Henri | |
 Richard Sammel | Cast | Actor | Truck Driver |
 Tomas Arana | Cast | Actor | Damon |
 Kelly Curtis | Cast | Actress | Miriam Kreisl |
Dario Casalini | Cast | Actor | Mark |
 Stefania Possamai | Cast | Actress | Teacher (uncredited) |
| Person | Type | Job | Role(s) |
