- Rex
- Rex
- Rin Tin Tin Jr.
- Rinty
- Ben Turpin
- Henry
- Bob Custer
- John Sheldon
- Lucile Browne
- Alice Ingram
- Richard Cramer
- Frank Nolan
- Ernie Adams
- Henchman Raymond
- Edmund Cobb
- Henchman Jim Luger
- Slim Whitaker
- Henchman Mack
- Richard Alexander
- Lewis R. Lou Salters [Ch. 1]
- Jack Rockwell
- Sheriff [Chs. 1, 7-8, 11-12]
- George Chesebro
- Henchman Parks [Ch. 1]
- Chris Allen
- Townsman [ch. 1, 7]
- Silver Tip Baker
- Townsman - Chapters 1, 6, 7
- Chuck Baldra
- Cowhand
- Hank Bell
- Townsman [Chs. 6-7]
- Dick Botiller
- Townsman [Chs. 1, 6]
- Edmund Breese
- Dr. R.N. Price [Chs. 6, 11-12]
- Charles Brinley
- Townsman
- Buck Bucko
- Townsman
- Roy Bucko
- Townsman [Ch. 6]
- Yakima Canutt
- Townsman
- Horace B. Carpenter
- Townsman [Chs. 1, 6]
- Jack Casey
- Deputy Dave (Ch. 6, 7)
- Art Dillard
- Townsman
- Curley Dresden
- Bram Luger [Chs. 1, 6]
- Jack Evans
- Rancher
- J. Frank Glendon
- Lawyer Bronson [Chs. 11-12]
- Augie Gomez
- Townsman [Ch. 1]
- Herman Hack
- Townsman [Ch. 6]
- Edward Hearn
- Spectator
- Jack Kirk
- First Deputy [Chs. 1, 6]
- Charles Kurtsinger
- Race Track Man [ch. 12]
- Tracy Layne
- Henchman
- Bud McClure
- Townsman [Chs. 1, 6]
- Merrill McCormick
- Townsman
- Lafe McKee
- Charles Ingram [Chs. 1, 3, 12]
- Art Mix
- Townsman [Chs. 1, 6-7]
- Buck Morgan
- Townsman
- George Morrell
- Townsman
- Bud Osborne
- Lends Alice His Horse [Chs. 6-7]
- Edward Peil Sr.
- Gives John Directions [Ch. 1]
- Bud Pope
- Townsman
- Bob Reeves
- Car Passenger [Ch. 6]
- Glenn Strange
- Townsman
- Hal Taliaferro
- Deputy Tom [Chs. 7-8]
- Al Taylor
- Henchman
- Jack Tornek
- Townsman
- Blackjack Ward
- Townsman [ch. 6]
- Wes Warner
- Injured Driver [Ch. 4]
- Lloyd Whitlock
- Townsman
