Diana Sorel

Dr. Dora Materlick

Nicholas Ney

Karl Von Rysselberg

Inés Morales

Veronica (as Inés Skorpio)

Loreta Tovar

Margaret (as Loretta Martin)

Beatriz Elorrieta

Erica Rosenberg

Antonio Jiménez Escribano

Barón von Rysselberg

José Villasante

Otto

Rosario Royo

Housekeeper

Rafael Vaquero

Major Christopher Roland

Susan Taff

Brenda

María Luisa Tovar

Cyclist's Widow (as Marisa Tobar)

Francisco Bonmatí

Cyclist

Jesús Alesanco

(uncredited)

Francisco Correa

(uncredited)

Ricardo Vázquez

Vampiro de las ruinas

José María Elorrieta