At the whirling-dervish center of the French action film "District B13" is a fighting discipline known as parkour. I'm pretty sure that's French for "somersaulting over balconies while drop-kicking the gangsters who kidnapped your sister and turned her into a junkie." However it translates, parkour isn't par-for-the-course movie mayhem, but a gorgeously choreographed gymnastics of pain that elevates "District B13" over the impossible missions and last stands of the season.

If you happened to visit IMDB, you might notice that the aforementioned sister-turned-junkie (Dany Verissimo) has also appeared in such notable French cinema as:

* Une nuit au bordel, alongside such accomplished stars as Monika Sweetheart;
* Ally et xperiment, with Tiffany Hopkins;
* French Beauty, with Sebastian Barrio;
* So Long Mister Monore, with Titof; and
* an episode of Les Tropiques de l'amour, with Rita Faltoyano and Monica Sweet.

Wikipedia offers some background.

District B13 - Review - Movies - New York Times