- Rand Brooks - Cpl. Boone
- Andy Clyde - Homer Tubbs
- Ellen Corby - Sally Benton
- Ron Hagerthy - Tom Mack
- Norman Alden - Black Cloud
- George J. Lewis - Starving Wolf
- John Pickard - Sam
- Lane Bradford - Bullets
- Guinn "Big Boy" Williams - Sgt. Muldoon
- Herb Vigran - Professor Wirt
- Sam Flint - Larson
- Cyril Delevanti - Chief Nana
- William Forrest - Major Swanson
- Tommy Farrell - Carpenter
- Tommy Farrell - Bristol
- Tommy Farrell - Corporal Kit Moon
- Jim Bannon - Stash McCoy
- Hal Taggart - Gambler (uncredited)
- Russell Johnson - Sgt. Stan Powers
- Helen Wallace - Miss Eloise Larkin
- Stanley Andrews - Sheriff
- Joe Dominguez - Silvero
- Emmett Lynn - Borrowin' Sam
- Abel Fernandez - O-Ye-Tza
- Tom McKee - Capt. Davis
- Tom McKee - Holt
- Tom McKee - Capt. David
- Steven Ritch - Tokimaw
- Steven Ritch - Tukimawa
- Michael Ansara - Tioka
- Terry Frost - Cole
- Terry Frost - John Anders
- Chuck Courtney - Hal
- Robert Fuller - Stan
- Joseph Vitale - Red Eagle
- Richard Reeves - Keller
- Dean Fredericks - Komawi
- Leo Gordon - Garth
- Leo Gordon - Pete Cregar
- Leo Gordon - Charlie
- Keith Richards - Dan Morris
- Keith Richards - Abe Tyson
- Don C. Harvey - Capt. Carlson
- Don C. Harvey - Thorne
- John Wilder - Pete Benton
- Clem Bevans - Kid Hooker
- Joe Turkel - Stubb Cull
- Percy Helton - Ichabod Pillajohn
- Percy Helton - Ichabod Pillijohn
- Percy Helton - Conductor
Lee Aaker interpreta a Cpl. Rusty en la serie.
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