Waterloo Bridge (1940)
Scene of ballet dancers comes from this film
footage of Robert Taylor and Vivien Leigh in romance montage
Referenced in a dialogue. Later on, Mara goes to see the movie in a movie theater.
Mentioned in dialogue
Lupin talks about walking Fujiko through the foggy town of London, just like in the movie
A DVD vendor recommends the film to his customers.
The movie being played at the cinema
Short clip identified in the closing credits.