
It is based on upon the memoir Mémoires d'un agent secret de la France libre et La Ligne de démarcation by Gilbert Renault under his pseudonym Colonel Rémy. A small village in the Jura is split by the river Loue which creates the line of demarcation between Nazi occupied France and freedom. A French officer, Pierre, is released by the Nazi soldiers to find his chateau converted into a German command centre. Whilst he is obliged to co-operate with the enemy, his wife Mary supports the resistance movement and is willing to risk her life for it. The Nazis step up their activity against the resistance, insisting that any who attempt to cross the line of demarcation will be shot. When his wife is arrested, Pierre decides to switch his allegiance.
Genres:

Jean Seberg as Mary de Damville

Maurice Ronet as Pierre, comte de Damville

Daniel Gélin as Doctor Jacques Lafaye

Reinhard Kolldehoff as le Major von Pritsch

Mario David as Urbain

Jean Yanne as M. Tricot

Jacques Perrin as Michel

Claude Léveillée as Duncan Presgrave

Stéphane Audran as La femme du Dr. Lafaye / Wife

Jean-Louis Maury as Gestapo Agent

Paul Gégauff as Gestapo Agent

Pierre Gualdi as le curé du village

Roger Dumas as Chéti, le passeur

Noël Roquevert as Eugène Ménétru

Serge Bento as Le coiffeur

René Havard as Loiseau, interprète pour les Allemands

Rudy Lenoir as Le douanier allemand

Henri Attal as Gendarme

Dominique Zardi as Soldat allemand

Claude Berri as Chef de famille juif
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