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 Casanova
as Fernando Lavalle
El Santo
as Santo, el Enmascarado de Plata
Alfredo Wally Barrón
as Prof. Corberra
Augusto Benedico
as Mathias
Luis Aragón
as Don Armando Correa
Ana Bertha Lepe
as Virginia
Roberto Ramírez Garza
as Conrado González (as Beto el Boticario)
Alejandro Parodi
as Chantajista
Lucía Prado
as Irene Lippert
Yolanda Ciani
as Hija de Armando
Elvira Castillo
as Gloria, hija de Armando
Magda Urvizu
as Hija rubia de Armando (as Magda Urvisu)
