L'Horrible Docteur Orloff

Conrado San Martín

Inspector Tanner

Diana Lorys

Wanda Bronsky / Melissa

Howard Vernon

Dr. Orloff

Perla Cristal

Arne

María Silva

Dany (as Mary Silvers)

Ricardo Valle

Morpho Lodner

Mara Laso

Irma Gold

Venancio Muro

Jean Rousseau 'Jeannot'

Félix Dafauce

Chief Inspector

Faustino Cornejo

Raymond

Manuel Vázquez

Klein

Juan Antonio Riquelme

Fernando Montes

Malou (as Fernando C. Montes)

Elena María Tejeiro

Ursula Camila

Javier de Rivera

Ángel Calero

Sandalio Hernández

Fernando Sala

María de la Riva

(as Mª de la Riva)

Laly Vicent

José Carlos Arévalo

Enrique Ferpi

Rafael Ibáñez

Carmen Porcel

Madame Gold

Rafael Hernández

Marisa Paredes

Klemp

Luis Rico

Juan García Tiendra

False Suspect

Amy Márquez

Antonio Ramos

Luis Domínguez Luna

María del Carmen Ruiz

(as Mari Carmen Ruiz)

Pedro José Mariña

Pilar Gómez Ferrer

Wanda's Dresser

Tito García

Mercedes Manero

(as Mercedes Manera)

Antonio Ramos

Juan Antonio Arévalo

(as Juan Antº Arévalo)

Jesús Franco

Pianist (uncredited)

Jesús Franco

Réalisation

Isabel Campo

Script Supervisor

Alfredo Hurtado 'Pitusín'

Assistant réalisation

Jesús Franco

Histoire, Scénario

David Khune

Roman

Leo Lax

Production

Marius Lesoeur

Production

Ángel Rosson y Rubio

Production Supervisor

Miguel Asensio

Production Assistant

Gerardo Mendiburu

Production Manager

Sergio Newman

Production exécutive

Godofredo Pacheco

Photographie

Daniel Ortiz

Still Photographer

Javier Pérez Zofio

Cadrage

Alicia Castillo

Assistant Editor

Alfonso Santacana

Montage

José Pagán

Musique

Antonio Ramírez Ángel

Musique

Antonio Simont

Décoration

Martín Sacristán

Property Master

Félix Michelena

Assistant Set Decoration

Rando

Costumer

Angelines Castro

Costumer

Adolfo Ponte

Maquillage

María Teresa Martín

Assistant Makeup Artist

Izquierdo

Costume Designer

María del Carmen Martínez Román

Costume Supervisor

Godofredo Pacheco

Cinematography

Pirax

Special Effects