Hercules vs. the Giant Warriors
Il trionfo di Ercole (original)
Hercules defends people against a race of giant warriors.
Starring Dan Vadis, Marilù Tolo, Pierre Cressoy, Moira Orfei, Piero Lulli, Enzo Fiermonte, Howard Ross, Pietro Capanna, Jacques Stany, Nazzareno Zamperla
It's a action & adventure and fantasy movie, and has a rating of 4.4 out of 10 from Imdb which is fairly low for this kind of movie.
Watch it here
Not found streaming from Finland.