Men are turning up dead after receiving anonymous threats that include the date of their deaths. The latest person to receive one of these threats decides to call Santo the crime fighting wrestler for help. Santo must solve the mystery of the men's murders and confront a gang of Nazis operating in Mexico City.
Santo
Inspector Ponce
Yvette
Pablo
Ester
Henkel
Rocha
Man who plants bomb in Santo's car
Mario Gaos
Old Nazi
Landeros
Campos
Fisher
Santo's Opponent (as El Polaco)
Santo's Opponent (as El Nazi)
Wife of Jeweler
Jeweler
Window-cleaner Nazi