David Edwin Knight
George
David Edwin Knight
George
Nancy Brilli
Hannah
Coralina Cataldi-Tassoni
Sally Day
Bobby Rhodes
Hank
Asia Argento
Ingrid Haller
Virginia Bryant
Mary the Prostitute
Anita Bartolucci
Woman with Dog
Antonio Cantafora
Ingrid's Father
Luisa Passega
Helga Haller
Davide Marotta
Demon Tommy
Marco Vivio
Tommy
Michele Mirabella
Hooker's Client
Lorenzo Gioelli
Jake
Lino Salemme
Security Guard
Maria Chiara Sasso
Ulla, partygoer with camera
Dario Casalini
Danny - Ulla's boyfriend
Eliana Miglio
Pam, girl with camera (TV Show)
Yvonne Fraschetti
Jacob's Girl
Bruno Bilotta
Jacob
Lamberto Bava
Sally's Father
Stefano Molinari
Demon on TV
Giovanna Pini
Girl in back of Jacob's car / Woman in Garage
Pascal Persiano
Joe (TV Show)
Fabio Poggiali
Muller, Bodybuilder
Lorenzo Flaherty
Partygoer
Marina Loi
Kate
Ettore Martini
Ingrid's Father (uncredited)
Lamberto Bava
Director
Dario Argento
Writer
Lamberto Bava
Writer
Franco Ferrini
Writer
Dardano Sacchetti
Writer
Dario Argento
Producer
Ferdinando Caputo
Executive Producer
Simon Boswell
Original Music Composer
Gianlorenzo Battaglia
Director of Photography
Piero Bozza
Editor
Franco Fraticelli
Editor
Davide Bassan
Art Direction
Rosario Prestopino
Makeup Effects