Customs AgentMay 18, 1950
An undercover agent (William Eythe) tracks a medicine black market from China to California.
Yellow CargoNovember 7, 1936
An investigator looks into the activities of a movie producer he believes is involved in smuggling Asians into the U.S.
Under Mexicali StarsNovember 20, 1950
Cowboy T-man, Rex Allen, and his partner, Homer Oglethorpe (Buddy Ebsen), go undercover to track down some gold smugglers.
Revenge of the DragonOctober 19, 1972
An eastern by Joseph Velasco. Two undercover agents must smash a smuggling racket that is terrorizing a small port town. One of the agents, Chin Chang, has an evil grip that can crush a skull in seconds. The thugs are killers but this agent is a killer in kung fu!