 Greer GarsonDr. Julia Winslow Garth | Dr. Julia Winslow Garth |
 Dana AndrewsDr. Rourke O'Brien | Dr. Rourke O'Brien |
 Cameron MitchellLt. David Garth | Lt. David Garth |
 Lois SmithSpurs O'Brien | Spurs O'Brien |
 Adele JergensBella Brown | Bella Brown |
 Walter HampdenFather Gabriel Mendoza | Father Gabriel Mendoza |
 Pedro Gonzalez GonzalezTrooper Martinez-Martinez | Trooper Martinez-Martinez |
 Joan CamdenNorah Muldoon | Norah Muldoon |
| AAnthony Earl NumkenaTomascito Diaz | Tomascito Diaz |
 José TorvayBartolo Diaz | Bartolo Diaz |
 Robert J. WilkeKarg | Karg |
 Frank De KovaAnse Hatlo | Anse Hatlo |
 Russell JohnsonShadduck | Shadduck |
 Gregory WalcottScanlon | Scanlon |
 Douglas KennedySlade Wickstrom | Slade Wickstrom |
 Paul BirchSheriff | Sheriff |
 Nick AdamsBilly the Kid | Billy the Kid |
 William BoyettLt. Keith (uncredited) | Lt. Keith (uncredited) |
 Robert CabalYoung Vaquero (uncredited) | Young Vaquero (uncredited) |
 Robert FoulkJoe (uncredited) | Joe (uncredited) |
 Creighton HaleCard Player (uncredited) | Card Player (uncredited) |
 Victor MillanYoung Priest (uncredited) | Young Priest (uncredited) |
 Richard ReevesMr. Bisbee (uncredited) | Mr. Bisbee (uncredited) |
 George D. WallaceCurley (uncredited) | Curley (uncredited) |
 John StephensonCapt. Taggart (uncredited) | Capt. Taggart (uncredited) |
 Ralph MoodyGen. Lew Wallace (uncredited) | Gen. Lew Wallace (uncredited) |
 Belle MitchellCatalina (uncredited) | Catalina (uncredited) |
 Lillian MolieriSister Delphine (uncredited) | Sister Delphine (uncredited) |
 Joseph HamiltonMr. Harker (uncredited) | Mr. Harker (uncredited) |
| HHoward HoffmanJudge (uncredited) | Judge (uncredited) |
