Masked Mexican wrestler and superhero Santo plays private investigator, called in by government officials to investigate the mysterious vandalism of a high profile painting. With the help of his two counterparts, he uncovers the truth behind an art collector/chemist who may be murdering female models.
El Santo
as Santo
Carlos Romero Marchent
as Paul, Agent 9004
Helga Liné
as Sara, Mann's Assistant
George Rigaud
as Dr. Robert Mann
Antonio Pica
as Peter, Mann's Nephew
Mirta Miller
as Susan / Margaret Smith
Maribel Hidalgo
as Ester, the Blonde Model
Frank Braña
as Henchman
Lorenzo Robledo
as Henchman
Eduardo Calvo
as Museum Director
Eulalia del Pino
as Sabine, the Redhead Model
Betsabé Ruiz
as Margaret Smith
