The Proud Ones (1956)

Robert Ryan plays an aging sheriff responsible for law and order in a frontier cattle town. Virginia Mayo plays his fiancee. As if handling wild cattle drovers isn't enough, a crooked casino operator from Ryan's past comes to town. An early scuffle in the casino leaves Ryan with vision problems that interfere with his duties. Jeffrey Hunter who came to town with a cattle drive encounters Ryan, who killed Hunter's father when Hunter was young. Feelings of animosity soon change as Hunter begins to sense Ryan is telling the truth about his father. What follows is a plot that continues to thicken to the inevitable showdown.