The Grand Illusion [La grande illusion]
Directed By: Jean Renoir
During the First World War, two French soldiers are captured and imprisoned in a German P.O.W. camp. Several escape attempts follow until they are sent to a seemingly impenetrable fortress which seems impossible to escape from.
IMDB Movie Page: http://www.imdb.com/title/tt0028950
The trailer below is provided for reference and connects to a non-BYU site. International Cinema is not responsible for the content.