| Person | Type | Job | Role(s) |
|---|---|---|---|
 Claudio Simonetti | Crew | Sound | Original Music Composer |
 Dardano Sacchetti | Crew | Writing | Screenplay, Original Story |
 Dario Argento | Crew | Production | Producer, Screenplay |
 Davide Bassan | Crew | Production | Production Designer |
 Franco Ferrini | Crew | Writing | Screenplay |
Gianlorenzo Battaglia | Crew | Camera | Director of Photography |
 Lamberto Bava | Crew | Directing | Director, Screenplay |
 Michele Soavi | Crew | Directing | Assistant Director |
Piero Bozza | Crew | Editing | Editor |
Rosario Prestopino | Crew | Crew | Makeup Effects |
 Sergio Stivaletti | Crew | Crew | Makeup Effects |
Marina Malavasi | Crew | Costume & Make-Up | Costume Design |
Patrizia Massaia | Crew | Costume & Make-Up | Costume Design |
 Arnaldo Dell'Acqua | Cast | Actor | Cinemagoer (uncredited) |
 Bobby Rhodes | Cast | Actor | Tony |
Carlo Cattaneo | Cast | Cinemagoer (uncredited) | |
 Claudio Insegno | Cast | Actor | Cinemagoer (uncredited) |
 Claudio Spadaro | Cast | Actor | Liz's Lover |
 Eliana Miglio | Cast | Actress | Edith |
 Fabiola Toledo | Cast | Actress | Carmen |
 Fiore Argento | Cast | Actress | Hannah |
 Geretta Geretta | Cast | Actress | Rosemary |
 Giovanni Frezza | Cast | Actor | Kirk (uncredited) |
 Giuseppe Mauro Cruciano | Cast | Actor | Hot Dog |
 Goffredo Unger | Cast | Actor | Jeep Driver (uncredited) |
 Jasmine Maimone | Cast | Actress | Nancy |
 Karl Zinny | Cast | Actor | Ken |
Lamberto Bava | Cast | Actor | 1st Man Exiting Subway (uncredited) |
 Lino Salemme | Cast | Actor | Ripper |
 Marcello Modugno | Cast | Actor | Bob |
Michele Soavi | Cast | Actor | Man in Black / Jerry |
 Natasha Hovey | Cast | Actress | Cheryl |
 Nicoletta Elmi | Cast | Actress | Ingrid |
 Ottaviano Dell'Acqua | Cast | Actor | Cinemagoer (uncredited) |
 Paola Cozzo | Cast | Actress | Kathy |
 Peter Pitsch | Cast | Baby Pig | |
Sergio Stivaletti | Cast | Actor | Victim (uncredited) |
 Stelio Candelli | Cast | Actor | Frank |
 Urbano Barberini | Cast | Actor | George |
Alex Serra | Cast | Werner | |
 Eros Buttaglieri | Cast | Actor | Cinemagoer (uncredited) |
Russel Case | Cast | Ripper (voice) (uncredited) | |
 Rossana Canghiari | Cast | Actress | Cinemagoer (uncredited) |
 Bettina Ciampolini | Cast | Actress | Nina |
 Raniero Dorascenzi | Cast | Actor | Cinemagoer (uncredited) |
Gino Barbacane | Cast | Cinemagoer (uncredited) | |
Sally Day | Cast | Liz | |
Victor Beard | Cast | Tony (voice) (uncredited) | |
Enrica Maria Scrivano | Cast | Blonde Victim | |
Sami Habib Ahmed | Cast | Kathy's Baby Demon (uncredited) | |
 Paolo Corazzi | Cast | Cinemagoer (uncredited) | |
Emanuela Zicosky | Cast | June (uncredited) | |
Guido Baldi | Cast | Tommy | |
 Salvatore Francofonte | Cast | Cinemagoer (uncredited) | |
 Stefania Possamai | Cast | Actress | Cinemagoer (uncredited) |
| Person | Type | Job | Role(s) |
