Mabel Karr

Irma Zimmer

Estella Blain

Nadja / Miss Muerte

Howard Vernon

Dr. Vicas

Antonio Jiménez Escribano

Dr. Zimmer

Marcelo Arroita-Jáuregui

Dr. Moroni

Cris Huerta

Dr. Kallman

Jesús Franco

Inspector Tanner

Daniel White

Inspector Green

Francisco Camoiras

Fisherman (uncredited)

Ana Castor

Juliana (uncredited)

Rafael Hernández

Assistant to Inspector Green (uncredited)

José María Prada

Policeman (uncredited)

Lucía Prado

Barbara Albert (uncredited)

Javier de Rivera

Notary (uncredited)

Vicente Roca

Police Doctor (uncredited)