Conrado San Martín
Inspector Tanner
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)
José Pagán
Original Music Composer
Antonio Ramírez Ángel
Original Music Composer
Leo Lax
Producer
Jesús Franco
Director
Marius Lesoeur
Producer
Jesús Franco
Story
David Khune
Novel
Godofredo Pacheco
Director of Photography
Pirax
Special Effects
Jesús Franco
Screenplay
Sergio Newman
Executive Producer
Ángel Rosson y Rubio
Production Supervisor
Alfonso Santacana
Editor
Alicia Castillo
Assistant Editor
María del Carmen Martínez Román
Costume Supervisor
Angelines Castro
Costumer
Daniel Ortiz
Still Photographer
Miguel Asensio
Production Assistant
Adolfo Ponte
Makeup Artist
Isabel Campo
Script Supervisor
Javier Pérez Zofio
Camera Operator
Félix Michelena
Assistant Set Decoration
Alfredo Hurtado
Assistant Director
Gerardo Mendiburu
Production Manager
María Teresa Martín
Assistant Makeup Artist
Godofredo Pacheco
Cinematography
Antonio Simont
Set Decoration
Rando
Costumer
Martín Sacristán
Property Master
Izquierdo
Costume Designer