After a group of violent lepers escapes from a sanitarium, - robbing several farms, residents of the town demand the the sheriff - take action. Meanwhile, a local criminal joins forces with the lepers - to commit even more robberies. As the disfigured madmen keep the - entire town indoors with its reign of terror, the sheriff has no - choice but to call on the only man who can help--legendary wrestling - superhero, Santo!
You can now watch Santo vs. The Riders of Terror online on the following streaming providers in the United States.
| Directing | René Cardona | Director |
| Writing | René Cardona | Screenplay |
| Writing | Jesús "Murciélago" Velázquez | Screenplay |
| Writing | Jesús "Murciélago" Velázquez | Story |
| Production | Guillermo Calderón | Producer |
| Production | El Santo | Producer |
| Sound | Gustavo César Carrión | Original Music Composer |
| Camera | Raúl Martínez Solares | Director of Photography |
| Editing | Jorge Busto | Editor |
| Art | Alberto Ladrón de Guevara | Production Design |
| Art | Carlos Arjona | Set Decoration |
