The caged parrot is named "Mesrine", a reference to Jacques Mesrine, a famous French criminal of the 1960s and 70s who repeatedly escaped from prison.
Around the 32nd minute a poster of A couteaux tirés directed by Charles Gérard in 1964 can be seen , and one Love Streams directed by John Cassavetes in 1984 too at the 78th minute. They both tell the stories of separated couple that reunite or lover and mistress stories.
The film premiered out of competition at the 2019 Cannes Film Festival.
The song, played by the jukebox when a coin is thrown in, is "the man I love", by George and Ira Gershwin.