On screen
Cast
15 credited performers
Diana Sorel
Dr. Dora Materlick
Artwork unavailable
Nicholas Ney
Karl Von Rysselberg
Inés Morales
Veronica
Loreta Tovar
Margaret
Beatriz Elorrieta
Erica Rosenberg
Antonio Jiménez Escribano
Barón von Rysselberg
José Villasante
Otto
Rosario Royo
Housekeeper
Artwork unavailable
Rafael Vaquero
Major Christopher Roland
Susan Taff
Brenda
Artwork unavailable
María Luisa Tovar
Cyclist's Widow
Artwork unavailable
Francisco Bonmatí
Cyclist
Artwork unavailable
Jesús Alesanco
(uncredited)
Artwork unavailable
Francisco Correa
(uncredited)
Artwork unavailable
Ricardo Vázquez
Vampiro de las ruinas