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

Marisa Agostini

Script Supervisor

Patrizia Zulini

Script Supervisor

Ricardo Walker

Asistente de Dirección

Lamberto Bava

Asistente de Dirección, Second Unit Director

Santiago Moncada

Guión, Guión Adaptado

Mario Bava

Guión Adaptado

Laura Betti

Guión Adaptado

Mario Musy Glori

Guión Adaptado

Mario Bava

Director de Fotografía, Camera Operator

Antonio Rinaldi

Director de Fotografía, Camera Operator

Jaime Deu Casas

Camera Operator

Emilio Varriano

Camera Operator

Jose Adrian

Still Photographer

Giuseppe Parrabano

Still Photographer

Marcello Anconetani

Assistant Camera

Gianlorenzo Battaglia

Assistant Camera

Avelino Carla

Assistant Camera

Sante Maria Romitelli

Compositor de la Música Original

Pietro Ortolani

Sound

Luigi Zito

Conductor

Manuel Caño

Productor

Giuseppe Zaccariello

Productor

Coproducción Italia-España

Compañía de Produccion

Jaime Fernandez

Production Manager

Enzo Ferla

Unidad de Producción, Production Assistant

Graziano Fabiani

Assistant Production Manager

José Pedro Villanueva

Assistant Production Manager

Antonio Angrisano

Production Secretary

Hipólita López

Estilista

Emilia Zachini

Estilista

Elisa Aspachs

Maquilladora

Pierantonio Mecacci

Maquilladora

José María Tresserra

Diseño de Vestuario

Nadia Fabriani

Set Costumer

Soledad López

Editor

Liliana Serra

Assistant Editor

Giulia Mafai

Diseño de Producción

Jesús M. Herrero González

Set Designer

Giuseppe Aldrovandi

Assistant Art Director

Mario Bava

Title Designer

Luigi Biamonte

Title Designer

Miro Grisanti

Title Designer

Gianna Spirito

Assistant Decorator

N.W. Russo

Presenter