Witold briefly talks about the movie & Max Ophuls during a conversation at the beach.
Witold tells Fuchs about the movie while they're sitting in the car; which is why Stendal (the writer of Le Rouge et Le Noir) is brought up a few scenes later on the stairs.
Title is mentioned in a dialogue
title mentioned in dialogue; called stupid
Fuchs mentions that Catherette is going out to watch the movie.