
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.

as Captain Bob Bradley

as Lorita Hernandez

as Sergeant Andy Sharpe

as Jack Sommers

as Lupe

as Don Ricardo Hernandez

as John F. Ferguson

as Bill Cody

as Don Francisco Diego

as Henchman Phelps

as Henchman Ramon

as Express Rider

as Henchman

as Brady

as Land Commissioner

as Army Captain

as Pedro

as Hernandez's Servant

as Henchman

as Chief Red Cloud

as Henchman

as Jackson, Express Rider

as Jeff, Relay-Station Man

as Relay-Station Man

as Bud, Henchman

as Postmaster General Joseph Holt