James Craig

as Maj. Clay Clayburn

Barbara Payton

as Kathy Summers

Guy Madison

as Maj. Will Denning

Barton MacLane

as Sgt. Mac McCardle

Robert Osterloh

as Sgt. Harper

Tom Fadden

as Purdy

Robert Easton

as Jerry

Louis Jean Heydt

as Col. House

Craig Stevens

as Col. Braxton Summers

Taylor Holmes

as Albert Monroe

Peter Brocco

as Union Corporal

Norman Leavitt

as Confederate Soldier (uncredited)

Billy Nelson

as Union Sergeant (uncredited)

Denver Pyle

as Union Soldier Breaking Window (uncredited)