Paul Naschy

as Waldemar Daninsky / Irineus Daninsky / Werewolf

Fabiola Falcón

as Kinga Wilowa

Mariano Vidal Molina

as Roulka

Maritza Olivares

as Maria Wilowa

José Manuel Martín

as Bela

María Silva

as Elizabeth Bathory

Elsa Zabala

as Gypsy Witch

Eduardo Calvo

as Laszlo Wilowa

Ana Farra

as Malitza

Fernando Sánchez Polack

as Maurice, Waldemar's valet