Fabio Testi

Enrico Rosseni

Karin Baal

Herta Rosseni

Cristina Galbó

Elizabeth Seccles

Joachim Fuchsberger

Inspector Barth

Günther Stoll

Professor Bascombe

Claudia Butenuth

Brenda Pilchard

Camille Keaton

Solange Beauregard

Maria Monti

Mrs. Erickson

Giancarlo Badessi

Mr. Erickson

Pilar Castel

Janet Bryant

Giovanna Di Bernardo

Helen Edmonds

Vittorio Fanfoni

Enrico's Landlord

Marco Mariani

Father Webber

Antonio Casale

Mr. Newton

Emilia Wolkowicz

Ruth Holden

Daniele Micheletti

Mr. Bryant

Antonio Anelli

Father Herbert

Rainer Penkert

Mr. Leach, the Headmaster

Carla Mancini

Susan, a Student

Joe D'Amato

CID Officer w / The Daily Telegraph (uncredited)

John Gayford

Joseph Kane (uncredited)

Alfonso Giganti

Man at Church (uncredited)

Charles Howerton

Phillip Sullivan (voice) (uncredited)

Maria Michi

Brenda's Mother (uncredited)

Alfred Vohrer

Edgar Wallace (voice) (archive footage) (uncredited)

Joe Wadham

Policeman (uncredited)

Augusta Di Vincenzi

Woman in church (uncredited)

Rory MacDonald

Phillip Sullivan (uncredited)

Leo Pescarolo

Producer

Wolfgang Fritsche

Production Manager

Francesco Vernier

Sound

Edgar Wallace

Novel

Clarissa Ambach

Editor

Enzo Zocchi

Gaffer

Bruno Di Geronimo

Story

Fulvio Lucisano

Producer

Antonio Siciliano

Editor

Peter Ruddis

Sound

Massimo Dallamano

Screenplay

Giuliano Corso

Assistant Editor

Sesto Salino

Key Grip

Dante Trani

Makeup Artist

Gastone Carsetti

Art Direction

Bruno Nicolai

Music Director

Joe D'Amato

Director of Photography

Elisa Gut

Costume Designer

Giuliano Principato

Unit Manager

Horst Wendlandt

Producer

Neil Robinson

Dialogue Coach

Luciano Vittori

Film Processor

Bruno Di Geronimo

Screenplay

Peter M. Thouet

Screenplay

Ennio Morricone

Original Music Composer

Luigi Urbani

Assistant Art Director

Massimo Dallamano

Story

Massimo Dallamano

Director

Luigi Ciccarese

Camera Operator

Enrico Melonari

Production Manager