In the midst of the Civil War, Lassiter has a plan to get control of California. Working out of St. Joseph, he plans to send forged messages to the troops on the west coast via Pony Express. First he attempts to bribe Pony Express ride Roy Rogers. When Roy refuses he turns to the outlaw Johnson and his gang and this leads to trouble.
Roy Rogers
Lynne Roberts
Raymond Hatton
Edward Keane
Noble Johnson
Monte Blue
Don Dillaway
William Royle
Ethel Wales
Ernie Adams
Earl Askam
Chuck Baldra
Hank Bell
Buel Bryant
Roy Bucko
Fred Burns
Bob Card
Horace B. Carpenter
Burr Caruth
Spade Cooley
Jim Corey
Art Dillard
Oscar Gahan
Jennifer Gray
Herman Hack
Al Haskell
Charles King
Jack King
Jack Kirk
Cactus Mack
Chris-Pin Martin
Frankie Marvin
Robert McKenzie
Monte Montague
George Montgomery
Bill Nestell
Jack O'Shea
Artie Ortego
Bud Osborne
Vester Pegg
House Peters Jr.
George Plues
Matty Roubert
Rudy Sooter
Carl Stockdale
Harry Strang
Al Taylor
Fox O'Callahan