The Password Is Courage.

Sergeant-Major Charles Coward, a brave British soldier is captured by German forces during World War II. When he's thrown into a prisoner of war camp, he immediately plans his escape. Masquerading as a wounded German soldier, he makes it as far as the medical tent, where the deceived enemy forces award him the Iron Cross. Though he is ultimately discovered, he goes on to courageously pursue his freedom with a whimsical and undying audacity.