Wrestler vs mad-scientist with werewolf serum.
Cast
Blue Demon
Blue Demon (as Blue Demon)
Jaime Fernández
Prof. Lauro Carral
Nathanael León
Wrestler (as Nathanael León Moreno)
Mario Orea
Dr. Gruber
Fernando Osés
El Sanguinario
Carlos Suárez
Inspector
Rosa María Vázquez
Marina Gruber
Altia Michel
Waitress
Cesar Gay
Prof. Rafael
Guillermo Hernández
Ursus (as Guillermo Hernández 'Lobo Negro')
Ivonne Govea
Woman in Forest (as Ivonne Gobea)
Victor Jordan
Man in Forest
Ray Mendoza
Wrestler
Henry Pilusso
Wrestler (as Pilusso)
Margarito Luna
Matías
Joe Carson
Wrestler
