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)
