"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."
Bob Baker
as Captain Bob Bradley
Cecilia Callejo
as Lorita Hernandez
Don Barclay
as Sergeant Andy Sharpe
LeRoy Mason
as Jack Sommers
Nina Campana
as Lupe
Martín Garralaga
as Don Ricardo Hernandez
Forrest Taylor
as John F. Ferguson
Carlyle Moore Jr.
as Bill Cody
Julian Rivero
as Don Francisco Diego
Jack Kirk
as Henchman Phelps
Carleton Young
as Henchman Ramon
Ernie Adams
as Express Rider
Chuck Baldra
as Henchman
Buzz Barton
as Brady
Horace B. Carpenter
as Land Commissioner
Ed Cassidy
as Army Captain
Joe Dominguez
as Pedro
John Eberts
as Hernandez's Servant
Ray Jones
Chief Many Treaties
as Chief Red Cloud
Wilbur McCauley
Tex Palmer
as Jackson, Express Rider
Tex Phelps
as Jeff, Relay-Station Man
Jimmy Phillips
as Relay-Station Man
Bud Pope
as Bud, Henchman
Arthur Van Slyke
as Postmaster General Joseph Holt
Trem Carr
Producer
Frank Sanucci
Music Director
George Waggner
Director
Paul Malvern
Associate Producer
Charles Craft
Editor
Norton S. Parker
Story
Screenplay
Charles Carroll
Sound
Harry Neumann
Director of Photography
Edwin Wetzel
Charles Clague
Art Direction
Albert Greenwood
Set Dresser
Glenn Cook
Assistant Director