Cast (13)
Howard Vernon
Coronel Daniel J. Blimp
Helena Garret
Marion Wentworth
José Llamas
Bill Sanders
Trino Trives
Tao
Ana Espejo
Madame Rita
Christian Borck
Jonathan Keats
Rafael Corés
Welbeck
Juan Soler
Byron
José Miguel García
Amoc mutant
Óscar San Juan
Unknown Character
Jesús Franco
Rose Hotel's recepcionist (uncredited)
Juana de la Morena
Dra. Carlson (uncredited)
Julia Teran
Unknown Character