Station West (1948)

Dick Powell stars as Haven, an undercover Army investigator assigned to investigate the murders of two cavalrymen. Traveling incognito, Haven arrives in a small frontier outpost, where saloon singer Charlie controls all illegal activities. After making short work of Charlie's burly henchman, Haven gets a job in her organization biding his time and gathering evidence against the gorgeous crime boss. Cast as a philosophical hotel keeper, Burl Ives is afforded the opportunity to sing a ballad.