Ace High (1968)
After Cacopoulos manages to save himself from being hung on a false charge, he robs Cat Stevens and Hutch Bessy of a lot of money and steals their horses. This results in a merry chase and Stevens and Bessy become unwilling allies in Cacopoulus' revenge against the people who deserted him and framed him to get their money back.
Directed by: Giuseppe Colizzi
Starring: Eli Wallach, Terence Hill, Bud Spencer, Brock Peters, Kevin McCarthy, Livio Lorenzon
Links: IMDb, Movie posters, Movie stills