Guest Stars François Raison as Adolphe Steinheil Mila Ayache as Marthe Steinheil Nicolas Bouchaud as Maître Weidmann Benoît Tachoires as Chandrot - Inspecteur Thibaud Gitton as Berthier - Inspecteur Grégoire Baujat as Docteur Socquet Yannik Landrein as Sébastien Faure Yann Collette as Comte Sabran Steve Driesen as Waldeck-Rousseau Cosma Moissakis as Matthias Berger Jonathan Hostier as Hennion Cédric Meusburger as Agent au vélo Lucile Chevalier as Religieuse Nicola Perot as Angelo