Cast
James Franciscus
Carlo Giordani
Karl Malden
Franco Arnò
Catherine Spaak
Anna Terzi
Pier Paolo Capponi
Police Supt. Spini
Horst Frank
Dr. Braun
Rada Rassimov
Bianca Merusi
Aldo Reggiani
Dr. Casoni
Carlo Alighiero
Dr. Calabresi
Vittorio Congia
Righetto (cameraman)
Ugo Fangareggi
Gigi the Loser
Tom Felleghy
Dr. Esson
Emilio Marchesini
Dr. Mombelli
Fulvio Mingozzi
Spimi's man
Corrado Olmi
Morsella
Pino Patti
Barber
Umberto Raho
Manuel's ex-lover
Jacques Stany
Prof. Manera
Stefano Oppedisano
Taxi driver
Ada Pometti
Telephone operator
Walter Pinelli
Sascha Helwin
Marie Louise Sinclair
Film starlet
Martial Boschero
Cinzia De Carolis
Lori
Werner Pochath
Manuel
Tino Carraro
Prof. Fulvio Terzi
Ettore Arena
Billiard Player (uncredited)
Aristide Caporale
Smoker in the Billiard Hall (uncredited)
Giovanni Di Benedetto
Chief of Police Salmi (uncredited)
Margherita Horowitz
Lori's Babysitter (uncredited)
Giuseppe Marrocco
Man at Table in the Saint Peter's Club (uncredited)
Gennarino Pappagalli
Man in the Terzi's Institute (uncredited)
Aldo Parenti
(uncredited)
Franco Ukmar
Policeman - Speaks with Morsella About Food (uncredited)
Crew
Dario Argento
Story
(Writing)
Dardano Sacchetti
Story
(Writing)
Dario Argento
Screenplay
(Writing)
Dario Argento
Director
(Directing)
Luciano Vittori
Visual Effects
(Visual Effects)
Ennio Morricone
Original Music Composer
(Sound)
Erico Menczer
Director of Photography
(Camera)
Salvatore Argento
Producer
(Production)
Carlo Du Bois
Production Accountant
(Production)
Carlo Leva
Production Design
(Art)
Bryan Edgar Wallace
Screenplay
(Writing)
Angelo Iacono
Production Manager
(Production)
Eugenio Fiori
Boom Operator
(Sound)
Roberto Pariante
Assistant Director
(Directing)
Franco Pedacchia
Assistant Production Design
(Art)
Carlo Vinciguerra
Electrician
(Lighting)
Romeo Costantini
Assistant Set Decoration
(Art)
Renato Mascagno
First Assistant Camera
(Camera)
Cesarina Casini
First Assistant Editor
(Editing)
Maurizio La Monica
Second Assistant Camera
(Camera)
Maurizio Migalizzi
Key Grip
(Camera)
Roberto Brega
Camera Operator
(Camera)
Alberico Loreti
Best Boy Electric
(Lighting)
Giovanni Migalizzi
Grip
(Camera)
Francesco Rachini
Electrician
(Lighting)
Carlo Leva
Costume Design
(Costume & Make-Up)
Pierantonio Mecacci
Makeup Artist
(Costume & Make-Up)
Giuseppe Gabrielli
Grip
(Camera)
Vincenzo Marchetti
Assistant Makeup Artist
(Costume & Make-Up)
Mario Ronchetti
Sound
(Sound)
Roberto Bertozzi
Electrician
(Lighting)
Luca Sabatelli
Costume Design
(Costume & Make-Up)
Luigi Cozzi
Story
(Writing)
Giuseppe Ferranti
Makeup Artist
(Costume & Make-Up)
Romano Pampaloni
Sound Recordist
(Sound)
Rodolfo Flibotti
Gaffer
(Lighting)
Massimo Anzellotti
Sound Effects Editor
(Sound)
Arturo de Castelterlango
First Assistant Camera
(Camera)
Ettore Migalizzi
Grip
(Camera)
Firmino Palmieri
Still Photographer
(Camera)
Maura Turchi
Hairstylist
(Costume & Make-Up)
Lamberto Verdenelli
Property Master
(Art)
Bruno Nicolai
Conductor
(Sound)
Luciano Vittori
Title Designer
(Art)
Sergio Fraticelli
Assistant Editor
(Editing)
Carlo Du Bois
Administration
(Production)
Roberta Leoni
Production Secretary
(Production)
Luciano Anzellotti
Sound Effects
(Sound)
Franco Fraticelli
Editor
(Editing)
Giuseppe Mangogna
Production Manager
(Production)