Two Sane Nuts (1974)

Two adventurers. Jim (Wolf Goldan) and Jeff (Alberto Dell'Acqua), find just the man they need to finance a wild excurtion: Giovanni (Rinaldo Talamonti), the son of a millionnaire, who believes and is actually obsessed with the so-called treasure of the Brazil's Amazons. Raphael (Ismael Ayala) will be their guide. But, as soon as the small party enters the jungle, they are captured by the Amazons, and subjected to all their wishes...