Bradley and sidekick Sharpe are sent west to investigate the murders of pony express riders who are being killed to prevent the Spanish Land Grant papers going to Washington for registration.
Captain Bob Bradley
Lorita Hernandez
Sergeant Andy Sharpe
Jack Sommers
Lupe
Don Ricardo Hernandez
John F. Ferguson
Bill Cody
Don Francisco Diego
Henchman Phelps
Henchman Ramon
Express Rider
Henchman
Brady
Land Commissioner
Army Captain
Pedro
Hernandez's Servant
Chief Red Cloud
Jackson, Express Rider
Jeff, Relay-Station Man
Relay-Station Man
Bud, Henchman
Postmaster General Joseph Holt
Sound
Art Direction
Music Director
Editor
Screenplay
Director
Set Dresser
Director of Photography
Story
Assistant Director
Associate Producer
Producer
