"A woman seeks to avenge her father's death using a local dancer, with long poisonous fingernails, to do her bidding."
Mabel Karr
as Irma Zimmer
Estella Blain
as Nadja / Miss Muerte
Fernando Montes
as Dr. Phillippe Brighthouse
Howard Vernon
as Dr. Vicas
Guy Mairesse
as Hans Bergen
Antonio Jiménez Escribano
as Dr. Zimmer
Marcelo Arroita-Jáuregui
as Dr. Moroni
Cris Huerta
as Dr. Kallman
Jesús Franco
as Inspector Tanner
Daniel White
as Inspector Green
Alberto Bourbón
as Policeman
Francisco Camoiras
as Fisherman (uncredited)
Mer Casas
as Mrs. Moroni (uncredited)
Ana Castor
as Juliana (uncredited)
Rafael Hernández
as Assistant to Inspector Green (uncredited)
José María Prada
as Policeman (uncredited)
Lucía Prado
as Barbara Albert (uncredited)
Javier de Rivera
as Notary (uncredited)
Vicente Roca
as Police Doctor (uncredited)
Ángela Tamayo
as Girl at the Nightclub (uncredited)
Screenplay
Alejandro Ulloa
Director of Photography
Original Music Composer
Director
Jean-Claude Carrière
Éric Geiger
Property Master
Music
Antonio Cortés
Production Design
Marie-Louise Barberot
Editor
Henri Baum
Line Producer
Serge Silberman
Producer
Michel Safra
Raymond Ferrer
Key Makeup Artist
Arlette Lalande
Assistant Editor
Jean Feyte
Robert Demollière
Assistant Director
Set Decoration
Odette Darrigol
Production Secretary
Production Manager
Louis Hochet
Sound Engineer
Monique Teisseire
Clemente Manzano
Camera Operator
Nicole Guettard
Script Supervisor