Red Sundown, directed by Jack Arnold and scripted by Martin Berkeley, features Rory Calhoun, Martha Hyer, Dean Jagger, Robert Middleton, James Millican, Lita Baron, and Grant Williams. Hans J. Salter composed the music, with William Snyder handling the cinematography. Alec Longmire, portrayed by Calhoun, resolves to keep a pledge and alter his lifestyle. Upon arriving in Durango, he quickly finds an opportunity to…