| Person | Type | Job | Role(s) |
|---|---|---|---|
 Dario Argento | Crew | Production | Producer, Story |
 Fulvio Lucisano | Crew | Production | Producer |
 Gaston Leroux | Crew | Writing | Novel |
 Giuseppe Colombo | Crew | Production | Producer |
 Lucio Fulci | Crew | Writing | Screenplay, Story |
 Maurizio Abeni | Crew | Sound | Original Music Composer |
 Sergio Salvati | Crew | Camera | Director of Photography |
 Sergio Stivaletti | Crew | Directing | Director, Special Effects, Visual Effects |
Daniele Stroppa | Crew | Writing | Story, Screenplay |
 Aldo Massasso | Cast | Actor | Inspector Lanvin |
 Elisabetta Rocchetti | Cast | Actress | Madame's Girl |
 Gabriella Giorgelli | Cast | Actress | Francesca |
 Gianni Franco | Cast | Actor | Inspector Palazzi |
 Goffredo Unger | Cast | Actor | Puppeteer |
 Massimo Vanni | Cast | Actor | Victor |
 Omero Capanna | Cast | Actor | (uncredited) |
 Riccardo Serventi Longhi | Cast | Actor | Andrea Conversi |
 Robert Hossein | Cast | Actor | Boris Volkoff |
 Romina Mondello | Cast | Actress | Sonia Lafont |
 Rosa Pianeta | Cast | Actress | Anna's Mother |
Sergio Stivaletti | Cast | Actor | Brothel patron (uncredited) |
 Sonia Topazio | Cast | Actress | Nurse |
Umberto Balli | Cast | Actor | Alex |
 Valery Valmond | Cast | Actress | Giorgina |
 Elena Marchesini | Cast | Actress | Madame's Girl |
 Daniel Auber | Cast | Actor | Luca |
 Romano Iannelli | Cast | Actor | Pathologist |
 Katy Monique Cuomo | Cast | Actress | Madame's Girl |
 Sabrina Pellegrino | Cast | Actress | Elena |
Michela Paolucci | Cast | Actress | Madame's Girl |
Maia Asiride | Cast | Actress | Madame's Girl |
Federica Leuter | Cast | Actress | Madame's Girl |
Andreina Sirena | Cast | Actress | Madame's Girl |
Antonella Sannite | Cast | Actress | Madame's Girl |
Angela D'Ambra | Cast | Actress | Madame's Girl |
Ginevra Casini | Cast | Actress | Madame's Girl |
Loretta Cester | Cast | Actress | Girl in Waiting Room |
Luca Memè | Cast | Brothel Patron | |
| Person | Type | Job | Role(s) |
