| Administrator | Walter Zoi |
| Assistant Camera | Enzo Frattari |
| Assistant Director | Donatella Donati |
| Assistant Editor | Bruno Micheli |
| Camera Operator | Joe D'Amato |
| Cast | Tisa Farrow (as Julie), Saverio Vallone (as Andy), Serena Grandi (as Maggie), Margaret Mazzantini (as Henriette 'Rita'), Mark Bodin (as Daniel), Bob Larson (2) (as Arnold), Rubina Rey (as Ruth Wortmann), Simone Baker (as First Victim), Mark Logan (as Second Victim), George Eastman (as Klaus Wortmann / Antropophagus), Zora Kerova (as Carol), Joe D'Amato (as Bearded Man Exiting The Cable Car (uncredited)) |
| Cinematographer | Enrico Biribicchi |
| Continuity | Daniele Tommaso |
| Costume Design | Ennio Michettoni |
| Director | Joe D'Amato |
| Distributor | Cinedaf (as (1980) (Italy) (theatrical)), Cinépix Film Properties (CFP) (as (1982) (Canada) (theatrical) (Québec)), Eurogroup (as (1982) (France) (theatrical)), Film Ventures International (FVI) (as (1981) (USA) (theatrical) (dubbed)), Filmhansa (as (1981) (West Germany) (theatrical)) |
| Executive Producer: Film Ventures International | Edward L. Montoro |
| Film Editor | Ornella Micheli |
| Make-up Artist | Pietro Tenoglio |
| Music | Marcello Giombini |
| Post-Production Manager (Restored Version) | Christian Alexander Morán |
| Producer | Joe D'Amato, George Eastman, Oscar Santaniello |
| Production Company | Filmirage, Produzioni Cinematografiche Massaccesi (PCM) International |
| Production Manager | Oscar Santaniello |
| Production Secretary | Giovanni Ferrucci |
| Production Supervisor | Tommaso Pantano |
| Set Decoration | Ennio Michettoni |
| Sound | Goffredo Salvatori |
| Special Effects | Giuseppe Ferranti (as (uncredited)) |
| Still Photographer | Antonio Benetti |
| Video Colorist | Skipper Martin (as (uncredited)) |
| Writer (Screenplay) | George Eastman |
| Writer (Story) | George Eastman, Joe D'Amato |
| Links | https://www.imdb.com/title/tt0082479/ |
