Directed by Fritz Lang | Starring: Gary Cooper, Lilli Palmer, Robert Alda, Vladimir Sokoloff

In this Fritz Lang's compelling World War II espionage thriller, Gary Cooper stars as Alvah Jasper, a shy and retiring physics professor at a midwestern university. When government agents press Jasper into joining them in an effort to curtail the Nazis' efforts to attain atomic secrets, his life takes a dramatic turn.