An expedition enters an unexplored jungle to search for a legendary ruby.
Christopher Connelly
Captain Yankee
Lee Van Cleef
Warren
Marina Costa
Maria Janez
Luciano Pigozzi
Gin Fizz
Dario Pontonutti
Mike Monty
Professor Lansky
Rene Abadeza
Alain
Cirillo Vitali
Francesco Arcuri
Protacio Dee
Tiger (uncredited)
Carolyn De Fonseca
Maria Janez (uncredited) (voice)
Edoardo Margheriti
Mercenery (uncredited)
Ronnie Patterson
Mercenary (uncredited)
