Credits
Cast
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)
Art
Gastone Carsetti
Art Direction
Luigi Urbani
Assistant Art Director
Camera
Luigi Ciccarese
Camera Operator
Joe D'Amato
Director of Photography
Sesto Salino
Key Grip
Costume & Make-Up
Elisa Gut
Costume Designer
Dante Trani
Makeup Artist
Crew
Neil Robinson
Dialogue Coach
Luciano Vittori
Film Processor
Directing
Massimo Dallamano
Director, Story, Screenplay
Editing
Giuliano Corso
Assistant Editor
Clarissa Ambach
Editor
Antonio Siciliano
Editor
Lighting
Enzo Zocchi
Gaffer
Production
Horst Wendlandt
Producer
Fulvio Lucisano
Producer
Leo Pescarolo
Producer
Enrico Melonari
Production Manager
Wolfgang Fritsche
Production Manager
Giuliano Principato
Unit Manager
Sound
Bruno Nicolai
Music Director
Ennio Morricone
Original Music Composer
Francesco Vernier
Sound
Peter Ruddis
Sound
Writing
Edgar Wallace
Novel
Peter M. Thouet
Screenplay
Bruno Di Geronimo
Story, Screenplay