| Assistant Camera | Antonio Annunziata, Renato Palmieri |
| Assistant Camera: Second Unit | Aldo Marchiori, Marco Sperduti |
| Assistant Designer | Mariangela Capuano |
| Assistant Director | Roberto Giandalia |
| Assistant Director: Second Unit | Marisa Agostini |
| Assistant Editor | Massimo Cataldo, Armando Pace |
| Assistant Property Master | Antone Pagán |
| Boom Operator | Guglielmo Smeraldi |
| Camera Operator | Ubaldo Terzano |
| Cast | Jack Hedley (as Lt. Fred Williams), Almanta Suska (as Fay Majors), Howard Ross (as Mickey Scellenda), Andrea Occhipinti (as Peter Bunch), Alexandra Delli Colli (as Jane Forrester Lodge), Paolo Malco (as Dr. Paul Davis), Cinzia De Ponti (as Rosie - Ferry Victim), Cosimo Cinieri (as Dr. Lodge), Daniela Doria (as Kitty), Babette New (as Mrs. Weissburger), Zora Kerova (as Eva - Sex Show Performer), Paul E. Guskin (as Desk Sergeant), Antone Pagán (as Morales), Josh Cruze (as Chico), Marsha MacBride (as Policewoman), 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), Violetta Jean (as Hospital Nurse), Cesare Di Vito (as Telephone Tracing Technician), Elisa Cervi (as Hooker), Chiara Ferrari (as Susy Bunch), Rick Reid (as Pool Hall Hustler), Jorge Umberto Quevedo (as Pool Hall Player), Ralph Nieves (as Detective Pagán), Urs Althaus (as Sex Show Performer #2 (uncredited)), Sal Carollo (as Dogwalker (uncredited)), Tony Carrion (as Policeman (uncredited)), Rene Clemente (as Pool Hall Player (uncredited)), Michele Soavi (as Newspaper Buyer (uncredited)) |
| Chief Electrician | Sabatino Sperandeo |
| Cinematographer | Luigi Kuveiller |
| Continuity | Rita Agostini |
| Costume Design | Massimo Lentini |
| Dialogue Director: English Version | Gene Luotto (as (uncredited)) |
| Director | Lucio Fulci |
| Director Of Photography: Second Unit | Guglielmo Mancori |
| Dog Trainer | Captain Haggerty (as (uncredited)) |
| Film Editor | Vincenzo Tomassi |
| Graphic Designer | Delfin Chavez |
| Grip | Umberto Dessena |
| Hair Stylist | Rosa Luciani |
| Key Grip | Sergio Emidi |
| Location Manager | Rick Dallago |
| Make-up Artist | Luigi Rocchetti, Manlio Rocchetti, Maurizio Trani |
| Make-up Artist: Second Unit | Franco Di Girolamo |
| Make-up Assistant: Second Unit | Rosario Prestopino |
| Music | Francesco De Masi |
| New York Co-Producer | Jose De Lemos |
| New York Producer | Antone Pagán |
| Paymaster | Otello Tomassini |
| Poster Designer | Delfin Chavez |
| Producer | Fabrizio De Angelis |
| Production Accountant | Jose De Lemos |
| Production Assistant | Emilia Morale, Settimio Scacco |
| Production Designer | Massimo Lentini |
| Production Driver | Paolo Bernardini |
| Property Master | Rodolfo Ruzza |
| Set Constructor | Roberto Pace, Fabio Traversari |
| Set Decoration | Antone Pagán |
| Sound Engineer | Eros Giustini |
| Sound Mixer | Bruno Moreal |
| Special Effects Make-up Artist | Germano Natali |
| Special Thanks | Antone Pagán |
| Still Photographer | Antonio Benetti |
| Still Photographer: Second Unit | Roberto Nicosia |
| Stunt Coordinator | Nazzareno Cardinali |
| Stunt Fight Coordinator | Antone Pagán |
| Technical Advisor | Ralph Nieves |
| Unit Manager | Fabrizio De Martino, Paolo Gargano |
| Voice Dubbing: Andrea Occhipinti (US Version) | Steven Luotto (as (uncredited)) |
| Voice Dubbing: Daniela Doria (US Version) | Pat Starke (as (uncredited)) |
| Voice Dubbing: Giordano Falzoni (US Version) | Robert Spafford (as (uncredited)) |
| Voice Dubbing: Jack Hedley (US Version) | Edward Mannix (as (uncredited)) |
| Voice Dubbing: Paolo Malco (US Version) | Frank von Kuegelgen (as (uncredited)) |
| Voice Dubbing: Rita Silva (US Version) | Carolyn De Fonseca (as (uncredited)) |
| Voice Dubbing: Sal Carollo (US Version) | Gene Luotto (as (uncredited)) |
| Writer (Dialogue: English Version) | Antone Pagán (as (uncredited)), Gene Luotto (as (uncredited)) |
| Writer (Screenplay) | Gianfranco Clerici, Vincenzo Mannino, Lucio Fulci, Dardano Sacchetti |
| Writer (Story) | Gianfranco Clerici, Vincenzo Mannino, Lucio Fulci |
| Links | http://www.imdb.com/title/tt0084719/?ref_=fn_al_tt_3 |
