Port of Shadows (1938)
As Courtois is reading a financial newspaper, Homecourt tells him : "Don't waste your eyes, it's the only thing you've got left". Then Courtois removes his glasses and Homecourt tells him "T'as de beaux yeux, tu sais", the famous french line told by Jean Gabin to Michèle Morgan in "Quai des brumes".
There is a scene where Ben sings about "Quai des Brumes" and Michèle Morgan
Fake poster on the wall.
extracts featured in the end
Robbie walks past a screen on which the film is being projected while in Dunkirk