Paris, 1830. In the heart of the town, Vidocq, a famous detective, disappears as he fights the Alchemist, an assassin that he has been pursuing for a few months. His young biographer, Etienne Boisset, decides to avenge Vidocq's death and takes the investigation on...
| Actor | Role |
|---|---|
 Gérard DepardieuVidocq | Vidocq |
 Guillaume CanetEtienne Boisset | Etienne Boisset |
 Inés SastrePreah | Preah |
 André DussollierLautrennes | Lautrennes |
 Édith ScobSylvia | Sylvia |
 Moussa MaaskriNimier | Nimier |
 Jean-Pierre GosTauzet | Tauzet |
 Isabelle RenauldMarine Lafitte | Marine Lafitte |
 Jean-Pol DuboisBelmont | Belmont |
 André PenvernVeraldi | Veraldi |
 Gilles ArbonaLafitte | Lafitte |
 Jean-Marc ThibaultLeviner | Leviner |
 François ChattotFroissard | Froissard |
 Fred UlysseLe vieux souffleur | Le vieux souffleur |
 Elsa KikoïneLa muette | La muette |
 Noa LindbergVirgin | Virgin |