The film, set in 1912, is about the exploits of France's first motorized police brigade.

Clovis Cornillacas Commissioner Paul Valentin
Diane Krugeras Princess Constance Radetsky
Édouard Baeras Inspector Pujol
Olivier Gourmetas Inspector Marcel 'Le Colosse' Terrasson
Thierry Frémontas Piotr
Jacques Gamblinas Jules Bonnot
Stefano Accorsias Trainee inspector Achille Bianchi
Léa Druckeras Léa
Philippe Duquesneas Casimir Cagne