Yellow Sky (1948)

Starring Gregory Peck, Richard Widmark, Anne Baxter, Harry Morgan, John Russell, and Victor Kilian. Directed by William A. Wellman. An outlaw leader and his gang take refuge in a frontier ghost town whose only inhabitants are an elderly man and his pretty grand-daughter. The old man reveals that there's gold buried in the area, prompting a few of the gang to plot the old man's demise.