"An expedition enters an unexplored jungle to search for a legendary ruby."
Christopher Connelly
as Captain Yankee
Lee Van Cleef
as Warren
Marina Costa
as Maria Janez
Luciano Pigozzi
as Gin Fizz
Dario Pontonutti
as
Mike Monty
as Professor Lansky
Rene Abadeza
as Alain
Cirillo Vitali
Francesco Arcuri
Protacio Dee
as Tiger (uncredited)
Carolyn De Fonseca
as Maria Janez (uncredited) (voice)
Edoardo Margheriti
as Mercenery (uncredited)
Ronnie Patterson
as Mercenary (uncredited)
Antonio Margheriti
Director
Calogero Taormina
Original Music Composer
Walter Patriarca
Production Design
Luciano Appignani
Producer
Alberto Moriani
Editor
Ugo Pericoli
Costume Design
Franco Di Girolamo
Makeup Artist
Giovanni Simonelli
Story
Screenplay
Guglielmo Mancori
Director of Photography
