Vincent Cassel Bruno Haroche Reda Kateb Malik Hélène Vincent Hélène, Joseph's Mother Bryan Mialoundama Dylan Alban Ivanov Menahem Benjamin Lesieur Joseph Marco Locatelli Valentin Catherine Mouchet Doctor Ronssin Frédéric Pierrot IGAS Inspector Suliane Brahim IGAS Inspector Lyna Khoudri Ludivine, The Speech Therapist Aloïse Sauvage Shirelle Djibril Yoni Fabrice Ahmed Abdel Laoui Mounir Darren Muselet Cédric Sophie Garric Eva Christian Benedetti Albert Fratti Pierre Diot Mr. Marchetti Fatou-Clo Mrs. Diabaté Manda Touré The Daughter of Mrs. Diabate Pauline Clément Myriam Anne Azoulay Keren Damien Zanoly The Neighbor Marine Dupont Brigitte Mara Taquin Morgane