Sigma 19672015•8 minutes•0.0/10Movie OverviewExperimental and anarchist young generation before May of 68'.CastÉtienne O'Leary(archive footage) (voice)Philipe Bordier(archive footage) (voice)Jean-Pierre Bouyxou(archive footage) (voice)Alain Le Bris(archive footage) (voice)Colette Godard(archive footage) (voice)Alfredo Leonardi(archive footage) (voice)