Gary Cooper

Maj. Alex 'Lex' Kearney

Phyllis Thaxter

Erin Kearney

David Brian

Austin McCool

Paul Kelly

Lt. Col John Hudson

Philip Carey

Capt. Edward Tennick

Lon Chaney Jr.

Pete Elm

James Millican

Matthew Quint

Guinn 'Big Boy' Williams

Sgt. Snow

Alan Hale Jr.

Mizzell

Martin Milner

Pvt. Olie Larsen

Wilton Graff

Col. George Sharpe

George Eldredge

Judge Advocate (uncredited)

Fess Parker

Jim Randolph (uncredited)

Ewing Mitchell

Capt. Spencer (uncredited)

Richard Hale

Gen. Halleck (uncredited)

André de Toth