Which film was playing on the screen during the war sequence in the film Atonement?

: Which film was playing on the screen during the war sequence in the film Atonement?
There was a scene where Robbie was walking about the beach, bar, etc and he walks into a theater with a film playing. He walks very close to the screen and there is a close up of an old b+w movie. Whiich movie iisss iiittt!? It’s bothering me. This was in Atonement.

Answers and Views:

Answer by mike.dennis_belgium
hi there

“Le Quai des Brumes”
https://www.imdb.com/title/tt0783233/trivia
(see last info of this “Trivia” section)
https://en.wikipedia.org/wiki/Port_of_Shadows
https://www.imdb.com/title/tt0030643/

it’s one of the all time great movies of French cinema — a classic !!

Mike Dennis.