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 coiffeur de la prison

Gaston Orbal
Le directeur de la 'Caisse d'Épargne'

Jean-Pierre Marielle
Le chef de la préfecture de police
André Gille
Un inspecteur