Wrestler vs mad-scientist with werewolf serum.
as Blue Demon (as Blue Demon)
as Prof. Lauro Carral
as Wrestler (as Nathanael León Moreno)
as Dr. Gruber
as El Sanguinario
as Inspector
as Marina Gruber
as Waitress
as Prof. Rafael
as Ursus (as Guillermo Hernández 'Lobo Negro')
as Woman in Forest (as Ivonne Gobea)
as Man in Forest
as Wrestler
as Wrestler (as Pilusso)
as Matías
as Wrestler
