Colditz: Escape of the Birdmen

During World War II, American soldier Harry Cook is sent to Norway to aid in the defection of a scientist working on the atomic bomb for the Germans. Before they can escape Europe, they are captured and sent to a POW prison camp in a high alpine castle on the German-Swiss border. Cook must find a way to escape with the scientist before the Gestapo discover the Norwegian's true identity... (imdb)