Bob Baker

Captain Bob Bradley

Cecilia Callejo

Lorita Hernandez

Don Barclay

Sergeant Andy Sharpe

LeRoy Mason

Jack Sommers

Nina Campana

Lupe

Martín Garralaga

Don Ricardo Hernandez

Forrest Taylor

John F. Ferguson

Carlyle Moore Jr.

Bill Cody

Julian Rivero

Don Francisco Diego

Jack Kirk

Henchman Phelps

Carleton Young

Henchman Ramon

Ernie Adams

Express Rider

Chuck Baldra

Henchman

Buzz Barton

Brady

Horace B. Carpenter

Land Commissioner

Ed Cassidy

Army Captain

Joe Dominguez

Pedro

John Eberts

Hernandez's Servant

Ray Jones

Henchman

Chief Many Treaties

Chief Red Cloud

Wilbur McCauley

Henchman

Tex Palmer

Jackson, Express Rider

Tex Phelps

Jeff, Relay-Station Man

Jimmy Phillips

Relay-Station Man

Bud Pope

Bud, Henchman

Arthur Van Slyke

Postmaster General Joseph Holt