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