
The Beasts of Terror (1973)
A young heiress is kidnapped by two aspiring thieves who are then captured by a mad scientist. It's up to the police, Santo, and Blue Demon to rescue them.
Actors: El Santo, Blue Demon, Víctor Junco, César del Campo, Elsa Cárdenas, Antonio de Hud, Fernando Osés, Quintín Bulnes, Alma Ferrari, María Antonia del Río
Country: Mexico