David Hemmings

Marcus Daly

Daria Nicolodi

Gianna Brezzi

Gabriele Lavia

Carlo

Macha Méril

Helga Ulmann

Eros Pagni

Supt. Calcabrini

Giuliana Calandra

Amanda Righetti

Piero Mazzinghi

Bardi

Glauco Mauri

Prof. Giordani

Clara Calamai

Marta

Aldo Bonamano

Carlo's Father

Liana Del Balzo

Elvira

Vittorio Fanfoni

Cop Taking Notes

Dante Fioretti

Police Photographer

Geraldine Hooper

Massimo Ricci

Jacopo Mariani

Young Carlo

Furio Meniconi

Rodi

Fulvio Mingozzi

Agent Mingozzi

Lorenzo Piani

Fingerprint Cop

Salvatore Puntillo

Police Agent

Piero Vida

Fat Cop

Nicoletta Elmi

Olga

Dario Argento

Murderer's Hands (uncredited)

Salvatore Baccaro

Fruit Vendor (uncredited)

Omero Capanna

Hitman (uncredited)

Bruno Di Luia

Concerned Man in Restroom (uncredited)

Attilio Dottesio

Florist (uncredited)

Tom Felleghy

Surgeon (uncredited)

Glauco Onorato

(uncredited)

Marilù Tolo

Carol (archive footage) (uncredited)

Franco Vaccaro

Pietro Valgoi (uncredited)

Gianni Di Segni

Rabbi (uncredited)

Mario Pascucci

Library Caretaker (uncredited)

Bernardino Zapponi

Screenplay

Dario Argento

Director

Dario Argento

Writer

Claudio Simonetti

Original Music Composer

Giorgio Gaslini

Original Music Composer

Claudio Argento

Executive Producer

Salvatore Argento

Producer

Armando Mannini

Set Decoration

Franco Fraticelli

Editor

Stefano Rolla

Assistant Director

Luigi Kuveiller

Director of Photography

Elena Mannini

Costume Design

Angelo Iacono

Production Manager

Nicla Palombi

Hairstylist

Giovanni Morosi

Makeup Artist

Nick Alexander

Sound Editor

Giuliano Laurenti

Makeup Supervisor

Eugenio Fiori

Boom Operator

Vivalda Vigorelli

Continuity

Ubaldo Terzano

Camera Operator

Germano Natali

Special Effects

Mario Faraoni

Sound Recordist

Angela Viglino

Seamstress

Sergio Coletta

Gaffer

Carlo Rambaldi

Special Effects

Francesco Bellomo

Still Photographer

Maurizio Garrone

Assistant Art Director

Aldo Taloni

Construction Foreman

Stefano Olivieri

Set Dresser

Giuseppe Bassan

Production Design

Carlo Cucchi

Assistant Production Manager

Massimo Anzellotti

Foley Artist

Antonio Tonti

Assistant Camera

Carlo Du Bois

Production Accountant

Sergio Emidi

Key Grip

Piero Bozza

Assistant Editor

Carlo De Marchis

Special Effects Assistant

Antonio Annunziata

Assistant Camera

Cesare Jacolucci

Production Coordinator