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

Karen Valenti

Tina

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)

Aldo Barozzi

Passerby who calls the Police (uncredited)

Ugo Mari

Mario Zandri (uncredited)

Romano Targa

Policeman (uncredited)

Dario Argento

Director

Carlo Diotallevi

Sound

Vittorio Storaro

Director of Photography

Ennio Morricone

Original Music Composer

Dario Argento

Screenplay

Artur Brauner

Producer

Bruno Nicolai

Conductor

Lida Chitarrini

Script Supervisor

Angelo Tavazza

Administration

Enrico Umetelli

Camera Operator

Dario Argento

Story

Roberto Pariante

First Assistant Director

Sergio Fraticelli

Assistant Editor

Umberto Sambuco

Unit Manager

Cesarina Casini

Assistant Editor

Luciano Anzellotti

Foley Artist

Arturo Zavattini

Camera Operator

Eugenio Fiori

Boom Operator

Salvatore Argento

Producer

Dario Micheli

Production Design

Alberto Bartolomei

Sound Mixer

Camillo Teti

Production Manager

Fredric Brown

Novel

Dario Micheli

Costume Design

Giuseppe Ferranti

Makeup Artist

Lidia Puglia

Hairstylist

Franco Fraticelli

Editor

Mauro Marchetti

Assistant Camera