Marco Polo
Italian explorer rescues the daughter of the Mongol leader Kublai Khan, meets a hermit who has invented gunpowder and builds a cannon.
Starring Rory Calhoun, Yoko Tani, Camillo Pilotto, Pierre Cressoy, Michael Chow, Thien-Huong, Ernest Van-Mohr, Ada Passeri
Watch "Marco Polo" from streaming services Amazon Prime, Amazon released in 1962. It's a action & adventure movie, and has a rating of 5 out of 10 from Imdb which is fairly low for this kind of movie.