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Blue Demon as Blue Demon (as Blue Demon) |
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Jaime Fernández as Prof. Lauro Carral |
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Nathanael León as Wrestler (as Nathanael León Moreno) |
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Mario Orea as Dr. Gruber |
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Fernando Osés as El Sanguinario |
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Carlos Suárez as Inspector |
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Rosa María Vázquez as Marina Gruber |
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Altia Michel as Waitress |
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Cesar Gay as Prof. Rafael |
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Guillermo Hernández as Ursus (as Guillermo Hernández 'Lobo Negro') |
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Ivonne Govea as Woman in Forest (as Ivonne Gobea) |
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Victor Jordan as Man in Forest |
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Ray Mendoza as Wrestler |
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Henry Pilusso as Wrestler (as Pilusso) |
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Margarito Luna as Matías |
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Joe Carson as Wrestler |
| Directing | Chano Urueta | Director |
| Writing | Rafael García Travesí | Writer |
| Writing | Fernando Osés | Writer |
| Production | Jorge García Besné | Executive Producer |
| Production | Luis Enrique Vergara | Producer |
| Editing | José Juan Munguía | Editor |
| Art | Gerardo Aguilera | Art Direction |
| Art | Gerardo Aguilera | Set Decoration |
| Sound | Jorge Pérez | Original Music Composer |
| Camera | Álex Phillips Jr. | Director of Photography |
