Some sequences of Porte de Vincennes were shot in places emblematic of the French capital, at the Panthéon, at the Châtelet theater before its renovation, at the Copernic synagogue before its renovation and at B.N.F. (National French Library).
Filmed in thirty four days of winter.
The motorcycle scene was shot on the Bercy bridge in Paris. (comedian lining Franck Sallard).
The name Mehlman (common to several characters in this film) was inspired by that of the famous American literary critic Jeffrey Mehlman who wrote a masterful essay on French literature: "Legacy of anti-Semitism in France".
Heloise Luzzati is the granddaughter of the famous Italian writer Primo Levi.