In the 1830's beaver trapper Flint Mitchell and other white men hunt and trap in the then unnamed territories of Montana and Idaho. Flint marries a Blackfoot woman as a way to gain entrance into her people's rich lands, but finds she means more to him than a ticket to good beaver habitat.
| Actor | Role |
|---|---|
 Clark GableFlint Mitchell | Flint Mitchell |
 Ricardo MontalbanIronshirt | Ironshirt |
 John HodiakBrecan | Brecan |
 Adolphe MenjouPierre | Pierre |
 J. Carrol NaishLooking Glass | Looking Glass |
 Jack HoltBear Ghost | Bear Ghost |
 Alan NapierCapt. Humberstone Lyon | Capt. Humberstone Lyon |
 George ChandlerGowie | Gowie |
 Richard AndersonDick | Dick |
 María Elena MarquésKamiah | Kamiah |
 Bobby BarberGardipe (uncredited) | Gardipe (uncredited) |
 Timothy CareyBaptiste DuNord (uncredited) | Baptiste DuNord (uncredited) |
 Frankie DarroCadet (uncredited) | Cadet (uncredited) |
 Douglas FowleyTin Cup Owens (uncredited) | Tin Cup Owens (uncredited) |
 Howard KeelNarrator (voice) (uncredited) | Narrator (voice) (uncredited) |
 James WhitmoreOld Bill (uncredited) | Old Bill (uncredited) |