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)