Stephen Forsyth
John Harrington
Dagmar Lassander
Helen Wood
Laura Betti
Mildred Harrington
Jesús Puente
Inspector Russell (as Jesus Puente)
Femi Benussi
Alice Norton
Antonia Mas
Louise
Luciano Pigozzi
Vences (as Alan Collin)
Gérard Tichy
Dr. Kalleway (as Gerard Tichy)
Verónica Llimerá
Betsy Wester (as Veronica Llimera)
Pasquale Fortunato
John Harrington as a Boy (as Fortunato Pascuale)
Ignasi Abadal
Jimmy Kane (as José Ignacio Abadaz)
Silvia Lienas
Vicky
Montserrat Riba Vidal
Rosy Miller (as Monserrat Riba)
Susy Andersen
Sdenka (archive footage) (uncredited)
Guido Barlocci
Unknown (uncredited)
Bruno Boschetti
Policeman (uncredited)
Elina De Witt
Model (uncredited)
Rika Dialina
Maria (archive footage) (uncredited)
Boris Karloff
Gorca (archive footage)
Glauco Onorato
Giorgio (archive footage) (uncredited)
Mario Bava
Director of Photography
Mario Bava
Screenplay
Manuel Caño
Producer
Mario Bava
Director
Soledad López
Editor
José María Tresserra
Costume Design
Giulia Mafai
Production Design
Santiago Moncada
Screenplay
Sante Maria Romitelli
Original Music Composer
Jaime Deu Casas
Camera Operator
Laura Betti
Screenplay
Mario Musy Glori
Screenplay
Enzo Ferla
Production Assistant
Giuseppe Zaccariello
Producer
Antonio Rinaldi
Director of Photography
Hipólita López
Hairstylist
Pierantonio Mecacci
Makeup Artist
Elisa Aspachs
Makeup Artist
Emilia Zachini
Hairstylist
Graziano Fabiani
Assistant Production Manager
Enzo Ferla
Unit Production Manager
Jaime Fernandez
Production Manager
José Pedro Villanueva
Assistant Production Manager
Lamberto Bava
Assistant Director
Ricardo Walker
Assistant Director
Lamberto Bava
Second Unit Director
Jesús M. Herrero González
Set Designer
Giuseppe Aldrovandi
Assistant Art Director
Gianna Spirito
Assistant Decorator
Pietro Ortolani
Sound
Jose Adrian
Still Photographer
Marcello Anconetani
Assistant Camera
Gianlorenzo Battaglia
Assistant Camera
Avelino Carla
Assistant Camera
Giuseppe Parrabano
Still Photographer
Emilio Varriano
Camera Operator
Mario Bava
Camera Operator
Antonio Rinaldi
Camera Operator
Nadia Fabriani
Set Costumer
Liliana Serra
Assistant Editor
Luigi Zito
Conductor
Patrizia Zulini
Script Supervisor
Marisa Agostini
Script Supervisor
N.W. Russo
Presenter
Antonio Angrisano
Production Secretary
Mario Bava
Title Designer
Luigi Biamonte
Title Designer
Miro Grisanti
Title Designer