Shock Troops (1967)

A French resistance group frees twelve captured soldiers from a German prison camp, but apparently there is an additional prisoner among them who is suspected of being an enemy spy.
Costa-Gavras
Charles Vanel, Bruno Cremer, Jean-Claude Brialy, Michel Piccoli, Gérard Blain, Claude Brasseur, Jacques Perrin, Claude Brosset, Pierre Clémenti, François Périer, Michel Creton, Paolo Fratini, Julie Dassin, Nino Segurini, René Alone, Edmond Ardisson, Monique Chaumette, André Dalibert, Gérard Darrieu, Mario David, Michel Duplaix, Philippe Forquet, Maurice Garrel, Jean-François Gobbi, Michel Gonzalès, Med Hondo, Billy Kearns, Jean-Louis Le Goff, René Lefèvre, Guy Mairesse, Roger Marion, Michel Modo, Françoise Pavy, Roger Pera, Marc Porel, Patrick Préjean, Sady Rebbot, Mony-Rey, Albert Rémy, Serge Sauvion, Jacqueline Staup, Dominique Viriot, Michèle Bardollet
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