Casts
Paul Naschy
Waldemar Daninsky / Irineus Daninsky / Werewolf
Mariano Vidal Molina
Roulka
Maritza Olivares
Maria Wilowa
José Manuel Martín
Bela
María Silva
Elizabeth Bathory
Eduardo Calvo
Laszlo Wilowa
Fernando Sánchez Polack
Maurice, Waldemar's valet
