Trailer
Images
 | Anthony Franciosa as Peter Neal |
 | John Saxon as Bullmer |
 | Daria Nicolodi as Anne |
 | Giuliano Gemma as Detective Germani |
 | Christian Borromeo as Gianni |
 | Mirella D'Angelo as Tilde |
 | Veronica Lario as Jane McKerrow |
 | Ania Pieroni as Elsa Manni |
 | Eva Robin's as Girl on Beach |
 | Carola Stagnaro as Detective Altieri |
 | John Steiner as Christiano Berti |
 | Lara Wendel as Maria Alboretto |
 | Isabella Amadeo as Bullmer's secretary |
 | Mirella Banti as Marion |
 | Ennio Girolami as Department Store Manager |
| Monica Maisani |
 | Marino Masé as John |
 | Fulvio Mingozzi as Alboretto |
 | Giampaolo Saccarola as Coroner |
 | Ippolita Santarelli as Prostitute |
 | Francesca Viscardi |
 | Dario Argento as Narrator / Murderer's Hands (voice) (uncredited) |
 | Lamberto Bava as Elevator Repairman #1 (uncredited) |
 | Michele Soavi as Maria's Boyfriend / Man with Girl on Beach (uncredited) |
| Art | |
| Giuseppe Bassan | Production Design |
Directing | |
| Michele Soavi | Second Assistant Director |
Sound | |
| Massimo Anzellotti | Sound Effects |
Art | |
| Cesare Piccini | Assistant Property Master |
Costume & Make-Up | |
| Diego Della Valle | Shoe Design |
Art | |
| Antonella Caputo | Assistant Production Design |
Production | |
| Carlo Du Bois | Production Accountant |
Editing | |
| Piero Bozza | Assistant Editor |
Crew | |
| Giovanni Corridori | Special Effects |
Costume & Make-Up | |
| Patrizia Corridoni | Key Hair Stylist |
Art | |
| Maurizio Garrone | Set Decoration |
Writing | |
| Dario Argento | Story |
Crew | |
| Enrico Lucherini | Unit Publicist |
Camera | |
| Roberto Marsigli | Assistant Camera |
Sound | |
| Giancarlo Laurenzi | Boom Operator |
Production | |
| Cesare Jacolucci | Production Manager |
Camera | |
| Maurizio Piano | Assistant Camera |
Lighting | |
| Francesco Giulivi | Gaffer |
Sound | |
| Claudio Simonetti | Original Music Composer |
Production | |
| Saverio Mangogna | Production Secretary |
Editing | |
| Roberto Priori | Assistant Editor |
Sound | |
| Romano Pampaloni | Sound Mixer |
Art | |
| Aldo Taloni | Set Dresser |
Production | |
| Cesare Jacolucci | Production Supervisor |
Art | |
| Giuseppe Pagnotta | Property Master |
Production | |
| Giuseppe Mangogna | Production Manager |
| Ferdinando Caputo | Production Accountant |
Editing | |
| David Block | Colorist |
Costume & Make-Up | |
| Vanda Caprioli | Other |
Camera | |
| Francesco Bellomo | Still Photographer |
Costume & Make-Up | |
| Franco Tomei | Costume Designer |
Production | |
| Claudio Argento | Producer |
Art | |
| Osvaldo Monaco | Property Master |
Directing | |
| Lamberto Bava | First Assistant Director |
Editing | |
| Franco Fraticelli | Editor |
Sound | |
| Mario Dallimonti | Sound |
Costume & Make-Up | |
| Pierangelo Cicoletti | Costume Designer |
Directing | |
| Dario Argento | Director |
Costume & Make-Up | |
| Pierantonio Mecacci | Makeup Artist |
Camera | |
| Mario Moreschini | Key Grip |
Sound | |
| Luciano Anzellotti | Sound Effects |
Art | |
| Tommaso Barbi | Set Decoration |
Production | |
| Salvatore Argento | Executive Producer |
Sound | |
| Fabio Pignatelli | Original Music Composer |
| Massimo Morante | Original Music Composer |
Writing | |
| Dario Argento | Screenplay |
Directing | |
| Francesca Roberti | Script Supervisor |
Art | |
| Massimo Garrone | Assistant Set Decoration |
Costume & Make-Up | |
| Barbara Canevari | Assistant Costume Designer |
Camera | |
| Giuseppe Tinelli | Camera Operator |
| Remo Cartocci | Grip |
| Luciano Tovoli | Director of Photography |
Production | |
| Angelo Iacono | General Manager |
