| Person | Type | Job | Role(s) |
|---|---|---|---|
 Agostino Marangolo | Crew | Sound | Original Music Composer |
Claudio Argento | Crew | Production | Producer |
 Claudio Simonetti | Crew | Sound | Original Music Composer |
Corrado Volpicelli | Crew | Sound | Boom Operator |
 Daria Nicolodi | Crew | Writing | Screenplay |
 Dario Argento | Crew | Directing | Director, Screenplay, Original Music Composer |
Davide Bassan | Crew | Art | Assistant Art Director |
Fabio Pignatelli | Crew | Sound | Original Music Composer |
 Franco Fraticelli | Crew | Editing | Editor |
Germano Natali | Crew | Crew | Special Effects |
Giuseppe Bassan | Crew | Art | Production Design |
Giuseppe Tinelli | Crew | Camera | Assistant Camera |
Idelmo Simonelli | Crew | Camera | Camera Operator |
 Luciano Tovoli | Crew | Camera | Director of Photography |
Maria Teresa Corridoni | Crew | Costume & Make-Up | Hairstylist |
Massimo Anzellotti | Crew | Sound | Sound Editor |
Massimo Morante | Crew | Sound | Original Music Composer |
Maurizio Garrone | Crew | Art | Assistant Art Director |
Pierantonio Mecacci | Crew | Costume & Make-Up | Makeup Supervisor |
Salvatore Argento | Crew | Production | Executive Producer |
Thomas De Quincey | Crew | Writing | Novel |
Alberto Altibrandi | Crew | Lighting | Gaffer |
Pierangelo Cicoletti | Crew | Costume & Make-Up | Costume Design |
Bertilla Silvestrin | Crew | Costume & Make-Up | Seamstress |
Nick Alexander | Crew | Sound | ADR & Dubbing |
Federico Savina | Crew | Sound | Sound Designer |
Francesco Bellomo | Crew | Camera | Still Photographer |
Mario Dallimonti | Crew | Crew | Sound Recordist |
Luciano Anzellotti | Crew | Sound | Sound Effects |
Enrico Fontana | Crew | Camera | Assistant Camera |
Mario Moreschini | Crew | Camera | Key Grip |
 Alida Valli | Cast | Actress | Miss Tanner |
 Barbara Magnolfi | Cast | Actress | Olga |
Daria Nicolodi | Cast | Actress | Woman at Airport (uncredited) |
Dario Argento | Cast | Actor | Narrator (voice) (uncredited) |
 Eva Axén | Cast | Actress | Pat Hingle |
 Flavio Bucci | Cast | Actor | Daniel |
 Franca Scagnetti | Cast | Actress | Cook |
 Fulvio Mingozzi | Cast | Actor | Taxi Driver |
 Jessica Harper | Cast | Actress | Suzy Bannion |
 Joan Bennett | Cast | Actress | Madame Blanc |
 Margherita Horowitz | Cast | Actress | Teacher |
 Marina Pierro | Cast | Actress | Figurant (uncredited) |
 Miguel Bosé | Cast | Actor | Mark |
 Renata Zamengo | Cast | Actress | Caroline |
 Renato Scarpa | Cast | Actor | Prof. Verdegast |
 Rudolf Schündler | Cast | Actor | Prof. Milius |
 Stefania Casini | Cast | Actress | Sara |
 Susanna Javicoli | Cast | Actress | Sonia |
 Udo Kier | Cast | Actor | Dr. Frank Mandel |
Claudia Zaccari | Cast | Dancer | |
Jacopo Mariani | Cast | Albert | |
Serafina Scorceletti | Cast | 2nd Cook | |
 Giuseppe Transocchi | Cast | Actor | Pavlo |
Alessandra Capozzi | Cast | Dancer | |
Salvatore Capozzi | Cast | Dancer | |
Diana Ferrara | Cast | Dancer | |
Cristina Latini | Cast | Dancer | |
Alfredo Raino | Cast | Dancer | |
 Lela Svasta | Cast | Actress | Helena Markos (uncredited) |
Giovanni di Bernardo | Cast | Police Inspector (uncredited) | |
| Person | Type | Job | Role(s) |
