Santo fights diamond smugglers.
El Santo
Santo
Fernando Osés
Diamond Buyer
Frank Braña
Julio
María Eugenia San Martín
Wu-Li
Antonio Pica
Andres Cortez
Guillermo Galvez
Che Davila
Mara Cruz
Andres' Girlfriend
Juan Garza
Henchman
Carlos Suárez
Police official in Puerto Rico
