To Be Or Not to Be

To Be or Not to Be (1983)

A bad Polish actor is just trying to make a living when Poland is invaded by the Germans in World War II. His wife has the habit of entertaining young Polish officers while he's on stage, which is also a source of depression to him. When one of her officers comes back on a Secret Mission, the actor takes charge and comes up with a plan for them to escape.

Synopsis via TMDB