Trailer
 | Jack Hedley as Lt. Fred Williams |
 | Almanta Suska as Fay Majors (as Almanta Keller) |
 | Howard Ross as Mickey Scellenda (as Howard Ross) |
 | Andrea Occhipinti as Peter Bunch (as Andrew Painter) |
 | Alexandra Delli Colli as Jane Forrester Lodge |
 | Paolo Malco as Dr. Paul Davis |
 | Cinzia de Ponti as Rosie |
 | Cosimo Cinieri as Dr. Lodge (as Laurence Welles) |
 | Daniela Doria as Kitty |
 | Babette New as Mrs. Weissburger |
 | Zora Kerova as Eva |
 | Antone Pagan as Morales (as Anthon Kagan) |
 | Josh Cruze as Chico |
 | Rita Silva as Scellenda's Landlady |
 | Giordano Falzoni as Dr. Barry Jones, Coroner |
 | Lucio Fulci as Chief of Police |
 | Barbara Cupisti as Heather |
 | Martin Sorrentino as Police Detective |
 | Michele Soavi as Newspaper Buyer (uncredited) |
 | Ralph Nieves as Detective Pagan (uncredited) |
 | Sal Carollo as Dog Walker (uncredited) |
 | Urs Althaus as Sex Show Performer (uncredited) |
| Art | |
| Antone Pagan | Set Decoration |
Writing | |
| Lucio Fulci | Screenplay |
Directing | |
| Lucio Fulci | Director |
Camera | |
| Luigi Kuveiller | Director of Photography |
Sound | |
| Francesco De Masi | Original Music Composer |
Writing | |
| Dardano Sacchetti | Screenplay |
Art | |
| Massimo Lentini | Production Design |
Costume & Make-Up | |
| Massimo Lentini | Costume Design |
Production | |
| Fabrizio De Angelis | Producer |
Editing | |
| Vincenzo Tomassi | Editor |
Writing | |
| Gianfranco Clerici | Screenplay |
| Vincenzo Mannino | Screenplay |
Crew | |
| Rosario Prestopino | Makeup Effects |
Costume & Make-Up | |
| Franco Di Girolamo | Makeup Artist |
Crew | |
| Germano Natali | Makeup Effects |
