- Allan Lane
- Allen Saunders
- Linda Stirling
- Tiger Woman / Rita Arnold
- Duncan Renaldo
- José Delgado
- George J. Lewis
- Morgan
- LeRoy Mason
- Fletcher Walton
- Crane Whitley
- Tom Dagget
- Robert Frazer
- Ramgah
- Edward Coch
- Tegula
- Stanley Price
- Mac - Dagget's Clerk
- Nolan Leary
- Capt. Scott [Ch. 9]
- Kenne Duncan
- Gentry - Henchman [Chs. 7, 11]
- Tom Steele
- Tunnel Thug [Chs. 3-4] / Roadblock Thug [Ch. 7] / Ambusher [Ch. 12]
- Duke Green
- Steward - Thug [Ch. 1] / Motor Boat Thug [Chs. 4-5] / Truck Driver [Chs. 6-8] / Shack Heavy [Ch. 10] / Ambusher [Ch. 12] (as Duke Greene)
- Eddie Parker
- Blair - Henchman [Ch. 1] / Office Thug [Ch. 3] / Depot Thug [Chs. 4-5 - 9] / Trooper [Ch. 7-8] / Travis - Thug [Ch. 10] / Oil Truck Thug [Ch. 11]
- Ken Terrell
- Bolton - Thug [Ch. 1] / Depot Thug [Ch. 4, 9] / Oil Truck Driver [Ch. 11]
- Cliff Lyons
- Rand - Henchman [Ch. 1] / Temple Heavy [Ch. 3] / Trooper 2 [Ch. 7] / Thug with Travis [Chs. 10-11] / Ambusher [Ch. 12]
- Walter Bacon
- Citizen
- Rudy Bowman
- Henchman
- Early Cantrell
- The Tiger Woman's Handmaiden
- John Daheim
- Blacksmith Heavy 3 [Ch. 9]
- Roy Darmour
- Police Officer [Ch. 2]
- Al Ferguson
- Hill Heavy 2 [Ch. 2] / Lou (uncredited)
- Joe Garcio
- Workman
- Bud Geary
- Blacksmith Heavy 2 [Ch. 9]
- Augie Gomez
- Tribe Member
- Fred Graham
- Goff - Thug with Dynamite [Ch. 2] / Cave Guard [Ch. 4] / Truck Driver in Cafe [Ch. 6] / Heavy with Travis [Ch. 10] / Heavy in Cafe [Ch. 12] (uncredited)
- Paul Gustine
- Pilot [Ch. 10]
- Herman Hack
- Wilson - Thug in Jail Cell [Ch. 7]
- Charles Hayes
- Bartender [Ch. 9]
- Walt La Rue
- Temple Heavy 3 [Ch. 3]
- Rex Lease
- Pipe-Smoker in Cafe [Chs. 9, 12]
- Bert LeBaron
- Mine Heavy [Chs. 8-9]
- Carey Loftin
- Slim
- Tom London
- Capt. Dumont [Chs. 1, 9-10]
- Frank Marlowe
- Burt
- Catherine McLeod
- Temple Dancer [Chs. 1-2]
- Marshall Reed
- Foster
- Georges Renavent
- The Commandant of Police [Chs. 2-7-8 - 12]
- Jay Silverheels
- Native at Shack Shoot-Out [Ch. 7]
- Charles Soldani
- Tribe Member
- Dale Van Sickel
- Cliff Shack Thug [Chs. 2-3] / Frank - Depot Worker [Ch. 4] / Mine Heavy [Ch. 8] (uncredited)
- Robert J. Wilke
- Hill Heavy 1[Ch. 2] / Road Heavy (uncredited)
- Bud Wolfe
- Blacksmith Heavy #1 [Chs. 1, 9]