Untamed Heiress (1954)

Judy is the daughter of a famous opera singer who once bankrolled prospector Andrew "Cactus" Clayton. Now Clayton hopes to repay the favor, but first he must reclaim his stash of gold from the crooked Williams. Judy helps the old coot by taking on not only Williams, but duplicitous private detectives Walter Martin and Eddie Taylor, not to mention gangsters Spider Mike and Louie.