L'ardoise

L'ardoise is a 1970 French drama film written and directed by Claude Bernard-Aubert. Running about 85 minutes, it is classified as a prison drama. The ensemble cast features Jacques Legras and Jess Hahn alongside performers such as Michel Constantin, Jean Desailly, Élisabeth Wiener and Boby Lapointe, all familiar faces of French cinema of the period. Bernard-Aubert also handled the screenplay for the production. Released internationally under alternate titles including Die offene Rechnung, the film stands among the prison-themed dramas of early 1970s French filmmaking and forms part of Bernard-Aubert's body of work as a director.