The Gay Cavalier (film)

The Gay Cavalier is a 1946 black and white Western adventure starring Gilbert Roland, Helen Gerald and Tristram Coffin. It is based on a story by the author O. Henry.
Plot.
Roland plays The Cisco Kid, who sets out on a double mission. He must prevent a girl from marrying a wealthy suitor in order to save her family's hacienda, thus forsaking her true love in doing so; and also apprehend the outlaws who robbed a stagecoach carrying gold to a local mission. He eventually finds that the wealthy suitor is behind the gold robbery, a revelation that makes his task much easier.