Tráiler
Reparto
Salvatore Baccaro
Fruit Vendor (uncredited)
Mario Pascucci
Library Caretaker (uncredited)
David Hemmings
Marcus Daly
Gabriele Lavia
Carlo
Giuliana Calandra
Amanda Righetti
Fulvio Mingozzi
Agent Mingozzi
Lorenzo Piani
Fingerprint Cop
Bruno Di Luia
Concerned Man in Restroom (uncredited)
Omero Capanna
Hitman (uncredited)
Attilio Dottesio
Florist (uncredited)
Gianni Di Segni
Rabbi (uncredited)
Eros Pagni
Supt. Calcabrini
Jacopo Mariani
Young Carlo
Furio Meniconi
Rodi
Salvatore Puntillo
Police Agent
Dario Argento
Murderer's Hands (uncredited)
Daria Nicolodi
Gianna Brezzi
Clara Calamai
Marta
Liana Del Balzo
Elvira
Vittorio Fanfoni
Cop Taking Notes
Dante Fioretti
Police Photographer
Geraldine Hooper
Massimo Ricci
Marilù Tolo
Carol (archive footage) (uncredited)
Macha Méril
Helga Ulmann
Piero Vida
Fat Cop
Nicoletta Elmi
Olga
Tom Felleghy
Surgeon (uncredited)
Glauco Onorato
(uncredited)
Glauco Mauri
Prof. Giordani