An adventurer and his buddies race a former Nazi and others to diamonds in the South American jungle.
Stuart Whitman
Gringo
John Ireland
Priest
Donald Pleasence
Klaus von Blantz
Bradford Dillman
Clark
Sonia Infante
Morimba
Emilio Fernández
Tacho / Paco
Pedro Armendáriz Jr.
Pablo / Zapata
Jorge Luke
Jairo / Jaime
Ann Sidney
Barbara
Hugo Stiglitz
Riverboat Captain
Clark Jarrett
Dick
