Mad scientist brings his dead mad scientist grandfather back to life and makes a Frankenstein-type monster out of him.
| Actor | Role |
|---|---|
 Fernando CasanovaDr. Malthus/Gonzalo Malthus | Dr. Malthus/Gonzalo Malthus |
 Sonia FurióRosa | Rosa |
 Rosa Maria GallardoÚltima raptada | Última raptada |
 Guillermo CramerInspector de policía | Inspector de policía |
 Aurora AlvaradoLuisa | Luisa |
 Juan José Martínez CasadoAlcaide | Alcaide |
 Pedro de AguillónCapellán | Capellán |
 Guillermo Bravo SosaRemigio (uncredited) | Remigio (uncredited) |
| EEdmundo EspinoAntonio (uncredited) | Antonio (uncredited) |
| AArmando VelascoTío de Rosa (uncredited) | Tío de Rosa (uncredited) |