At one point, Julie Mauduech says to Hubert Koundé, "We've met before, haven't we?" It may be a reference to Mathieu Kassovitz's first film, Métisse (1993), in which they both starred.
When the three characters are looking for Asterix, one of the doorbell names is "Cassell".
In some English language versions the name Asterix has been changed to Snoopy, as the film traveled further than the Asterix books did.
The DJ that appears in the upstairs project window and remixes DJ CutKillers "Nique la Police" is actually DJ CutKiller himself.
Director Cameo: ['Mattieu Kassovitz' ] the skinhead that gets beaten up by Vinz, Hubert and Said.