When an informer is executed, his dismembered remains found in several bin bags, Fred, a resilient police inspector, leads the murder investigation with his customary dogged determination.
| Actor | Role |
|---|---|
 Jean-Pierre MarielleFred | Fred |
 Jean-Pierre BissonGravier | Gravier |
 François BerléandBaumann | Baumann |
 Brigitte RoüanClara Haiek | Clara Haiek |
 Maïté NahyrMelle Jeanne | Melle Jeanne |
 Luc Béraudle flic à l'entrepôt | le flic à l'entrepôt |
 Guylène PéanChristine | Christine |
| DDominique BernardDutoit, l'indic | Dutoit, l'indic |
 Christian Bouillettele patron du « Petit Poucet » | le patron du « Petit Poucet » |
 Jean Cherlianle flic au barrage | le flic au barrage |