James Mason

Field Marshal Erwin Rommel

Cedric Hardwicke

Dr. Karl Strolin

Jessica Tandy

Frau Lucie Marie Rommel

Luther Adler

Adolf Hitler

Everett Sloane

Gen. Wilhelm Burgdorf

Leo G. Carroll

Field Marshal Gerd von Rundstedt

George Macready

Gen. Fritz Bayerlein

Richard Boone

Capt. Hermann Aldinger

Eduard Franz

Col. Klaus von Stauffenberg

Desmond Young

Lt. Colonel Desmond Young

Paul Cavanagh

Lt. Col. Caesar von Hofaker

George Nader

Commando

Dan O'Herlihy

Commando Captain (uncredited)

Michael Rennie

Narrator (voice) (uncredited)

Peter van Eyck

German Officer