Tourists visiting the pyramids in Mexico experience a string of deaths and disappearances while staying at a nearby hotel. Police investigators Fernando and Cornado are assigned to the case and attempt to solve the mystery with the help of reporter (and girlfriend of Fernando) Veronica and the wrestler Santo.
Fernando Lavalle
Santo, el Enmascarado de Plata
Prof. Corberra
Mathias
Don Armando Correa
Virginia
Conrado González (as Beto el Boticario)
Chantajista
Irene Lippert
Hija de Armando
Gloria, hija de Armando
Hija rubia de Armando (as Magda Urvisu)
Recien casada (as Olga Leticia Ortiz)
Cocinero
Jefe policía
Luchador (as Black Shadow)