Overview
Wrestler vs mad-scientist with werewolf serum.
Cast
- Blue Demon as Blue Demon
- Jaime Fernández as Prof. Lauro Carral
- Nathanael León as Wrestler
- Mario Orea as Dr. Gruber
- Fernando Osés as El Sanguinario
- Carlos Suárez as Inspector
- Rosa María Vázquez as Marina Gruber
- Altia Michel as Waitress
- Cesar Gay as Prof. Rafael
- Ivonne Govea as Woman in Forest