- Noah Beery Jr.
- Noah Blaine
- Julie Bishop
- Ann Blaine
- Onslow Stevens
- Tom Crosby
- William Desmond
- John Blaine
- Martha Mattox
- Aunt Martha
- Philo McCullough
- Rance Judd
- Harry Tenbrook
- Butch Gore
- Frank Lackteen
- Buckskin Joe
- Edmund Cobb
- Bart Eaton
- Jules Cowles
- Missouri
- Francis Ford
- Cavalry Captain Donovan
- Chief Thunderbird
- Chief Thunder Bird
- Victor Adamson
- Outrider [Ch. 9]
- Eddie Baker
- Bert
- Tom Bay
- Pony Express Rider [Ch. 1]
- Ted Billings
- Townsman
- John Bose
- Townsman
- Charles Brinley
- Townsman
- Buck Bucko
- Townsman
- Roy Bucko
- Henchman Bert
- Nora Bush
- Townswoman
- Jess Cavin
- Townsman
- Ben Corbett
- Rawhide Riley [Ch. 11]
- Jim Corey
- Henchman Jim
- Grace Cunard
- Flo [Ch. 8]
- Tex Driscoll
- Townsman
- Frank Ellis
- Buffalo Hunter Bill [Chs. 9-10]
- Bert Lindley
- Sleepy Juror [ch. 8]
- Lafe McKee
- Townsman
- Art Mix
- Henchman
- Monte Montague
- Matt - Railroad Worker
- Buck Moulton
- Railroad Worker [Ch. 3]
- G. Raymond Nye
- Railroad Worker [Ch. 3]
- Tex Phelps
- Townsman
- Tom Smith
- Townsman
- George Sowards
- George
- Blackjack Ward
- Henchman
- Slim Whitaker
- Henchman [Ch. 7]
