Fernand, a simple employee at the Prefecture of Police, must serve as a "sheep" to extract confessions from a leader of organized crime, who has recently been in prison. But he managed to escape by taking Fernand hostage.
Le directeur de la 'Caisse d'Épargne'
Le chef de la préfecture de police
Un inspecteur
L'inspecteur Lenfant
Marylin
Le Tigre
Fernand Castel
Gisèle Martin
Mme Martin
Le brigadier-chef
Le coiffeur de la prison