On screen
Cast
13 credited performers
Howard Vernon
Coronel Daniel J. Blimp
Artwork unavailable
Helena Garret
Marion Wentworth
José Llamas
Bill Sanders
Artwork unavailable
Trino Trives
Tao
Artwork unavailable
Ana Espejo
Madame Rita
Artwork unavailable
Christian Borck
Jonathan Keats
Artwork unavailable
Rafael Corés
Welbeck
Artwork unavailable
Juan Soler
Byron
Artwork unavailable
José Miguel García
Amoc mutant
Artwork unavailable
Óscar San Juan
Character not listed
Jesús Franco
Rose Hotel's recepcionist (uncredited)
Artwork unavailable
Juana de la Morena
Dra. Carlson (uncredited)
Artwork unavailable
Julia Teran
Character not listed