The beautiful brasserie where the couple are kissing is still in activity in 2017 and is situated in Montparnasse.
Was restored by Lumières Numériques for image L.E. Diapason for sound and digitized by KG Productions in 2016 from the original magnetic band and 35mm negatives, under the supervision of director Costa-Gavras.
Yves Montand Charles Denner, Jacques Perrin and Jean-Louis Trintignant later appeared in Z (1969), also directed by Costa-Gavras.
The book Simone Signoret holds and reads in bed is the real autobiography by former actress Ghislaine Dommanget who became Princess of Monaco as the wife of Prince Louis II.