Cast
Tony Musante
Sam Dalmas
Suzy Kendall
Julia
Enrico Maria Salerno
Inspector Morosini
Eva Renzi
Monica Ranieri
Umberto Raho
Alberto Ranieri
Renato Romano
Professor Carlo Dover
Giuseppe Castellano
Monti
Mario Adorf
Berto Consalvi
Pino Patti
Faiena
Gildo Di Marco
Garullo
Rosita Torosh
Victim
Omar Bonaro
Police Detective
Fulvio Mingozzi
Police Detective
Werner Peters
Antique Dealer
Carla Mancini
Girl Watching TV
Bruno Erba
Police Detective
Annamaria Spogli
Sandra Roversi (uncredited)
Giovanni Di Benedetto
Professor Rinaldi (uncredited)
Reggie Nalder
Needles (uncredited)
Maria Tedeschi
Old Lady in Fog (uncredited)
Writing
Dario Argento
Screenplay
Fredric Brown
Novel
Art
Dario Micheli
Production Design
Camera
Vittorio Storaro
Director of Photography
Enrico Umetelli
Camera Operator
Arturo Zavattini
Camera Operator
Production
Salvatore Argento
Producer
Camillo Teti
Production Manager
Artur Brauner
Producer
Umberto Sambuco
Unit Manager
Costume & Make-Up
Lidia Puglia
Hairstylist
Giuseppe Ferranti
Makeup Artist
Editing
Franco Fraticelli
Editor
Sound
Ennio Morricone
Original Music Composer
Alberto Bartolomei
Sound Mixer
Bruno Nicolai
Conductor