The Far Frontier

 The Far Frontier  is a 1948 American Western film starring Roy Rogers.

Plot
Tom Sharper of the border patrol stops a truck to inspect its cargo. He is knocked cold by the drivers, who report back to their boss, Bart Carroll.

Coming from a cattle drive, rancher Roy Rogers hopes to visit his old friend Tom, but he's not there. Tom's dad is a former marshal who has tangled before with store owner Willis Newcomb, who is masterminding a scheme to transport U.S. criminal fugitives from Mexico prisons across the border.

Tom has amnesia. Bart decides to frame Tom by shooting a rancher with Tom's gun. He becomes the object of a manhunt, but Roy finds him first and is able to restore Tom's memory. Together, they fight Bart and Newcomb, and after it appears Tom has been killed by going over a cliff in a barrel, Roy saves the day and discovers that Tom is safe.

Cast

 * Roy Rogers as Roy
 * Clayton Moore as Tom
 * Gail Davis as Susan
 * Andy Devine as Cookie
 * Roy Barcroft as Bart
 * Robert Strange as Newcomb