Gabriel, dit Le Poulpe (The Octopus) is a laid-back private investigator who works on cases for his own pleasure. He is drawn to the fictional Loire Valley port of Angerneau, with his lover Clotilde who has been summoned by the police concerning the defacement of a deceased relative's grave. Since Angernau is her home town, she wants to leave it as soon as possible to avoid old acquaintances, but Gabriel stumbles on intriguing events concerning the cargo of a ship in port.
| Actor | Role |
|---|---|
 Jean-Pierre DarroussinGabriel Lecouvreur, 'le Poulpe' | Gabriel Lecouvreur, 'le Poulpe' |
 Clotilde CourauCheryl | Cheryl |
 Julien RassamTransvestite | Transvestite |
 Stéphane BoucherTaxi driver | Taxi driver |
 Julie DelarmeSandra | Sandra |
| AAristide DemonicoPedro | Pedro |
 James FaulknerThomas | Thomas |
| CCéline CailleauChéryl's friend | Chéryl's friend |
 Jean-François GallotteBar boss 1 | Bar boss 1 |
 Nicolas JouhetJaguar driver | Jaguar driver |
 François LevantalAssailant on the train | Assailant on the train |
 Bruno LochetPoliceman | Policeman |
| MMartine LogierMarie-Jeanne Desanges | Marie-Jeanne Desanges |
 Philippe NahonBar boss 2 | Bar boss 2 |