Blue Demon: El Demonio Azul
Wrestler vs mad-scientist with werewolf serum.
Alejandro Moreno
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')
Alejandro Moreno
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')
