Working undercover, Allen and sidekick Mendoza are out to stop the mail train robberies. Rivers and his gang are the culprits and by joining up with them, they hope to get the evidence they need.
Tom Allen
Lopez Mendoza
Jeff Gordon (as Le Roy Mason)
Julia Webster
Lucky Webster
Sheriff Big Bill Collins
Henchman Rod
Henchman Cheyenne
Jim Rivers
Prince, Tom's Horse
Deputy
Deputy
Deputy