Robert Taylor as Ward Kinsman

John Hodiak as Capt. Ben Lorrison

Arlene Dahl as Ann Duverall

Don Taylor as Lt. Linus Delaney

Jean Hagen as Martha Conovan

Leon Ames as Maj. C.E. Breverly

Chief Thundercloud as Tana

Ray Teal as Capt. J.R. Wolverson

John McIntire as Frank Holly

Bruce Cowling as Tom Conovan

Pat Moriarity as Sgt. Mack

Charles Stevens as Diablito

Robin Short as Lt. Storrow

Richard Bailey as Lt. Tremaine

Lillian O'Malley as Settler