Anna Mari
Stefania Rocca
John Brennan
Liam Cunningham
Marta
Conchita Puglisi
Professor Terzi
Micaela Pignatelli
Pathologist
Luis Molteni
Anti-Hacker #1
Carlo Giuseppe Gabardini
Anti-Hacker #2
Alessandro Mistichelli
Anti-Hacker #3
Francesco Guzzo
Flying Squad Chief
Pier Maria Cecchini
Christine Girdler, First Victim
Jennifer Poli
Second Victim
Elisabetta Rocchetti
Friend of the second victim
Irene Quagliarella
Remo
Silvio Muccino
Third Victim
Vera Gemma
Alvaro
Ulisse Minervini
Vice Squad Chief Marini
Antonio Cantafora
Inspector Morgani
Mario Opinato
Crime Scene Investigator
Gualtiero Scola
Gustavo
Robert Madison
Slot Machine Arcade Owner
Emanuel Bevilacqua
Embassy Employee
Robert Dawson
Bunny
Adriana Fonzi Cruciani
Bunny's Sister
Carla Fonzi Cruciani
Berardelli
Cosimo Fusco
Teacher
Elena Falgheri
Young man
Michele Pellegrini
Doctor
Isabella Celani
Police Operator (uncredited)
Fiore Cosimo
C.I.D. wife (uncredited)
Lynn Swanson
Police Photographer (uncredited)
Franco Vitale
Lucia Marini
Fiore Argento
Police Commissioner
Adalberto Maria Merli
Carlo Sturni
Claudio Santamaria
Francesca
Mia Benedetta
C.I.D. Chief
Giovanni Visentin
Mario
Claudio Mazzenga
Director of Photography
Benoît Debie
Art Direction
Massimo Antonello Geleng
Production Design
Original Music Composer
Claudio Simonetti
Story
Franco Ferrini
Screenplay
Editor
Walter Fasano
Director
Dario Argento
Producer
Casting
Roy Bava
Marina Pinzuti Ansolini
Costume Design
Patrizia Chericoni
Executive Producer
Claudio Argento
Florence Emir
Dialogue
Phoebe Scholfield
Second Assistant Director
Francesco Perri
Third Assistant Director
Marco Santoro
First Assistant Director
Jay Benedict