Justine Triet Director, Screenwriter Virginie Efira Sibyl Actor Adèle Exarchopoulos Margot Vasilis Actor Gaspard Ulliel Igor Maleski Actor Sandra Hüller Mikaela Sanders Actor Laure Calamy Edith Actor Niels Schneider Gabriel Actor Paul Hamy Étienne Actor Arthur Harari Dr. Katz Actor, Screenwriter David Thion Producer Philippe Martin Producer Genevieve Lemal Producer Simon Beaufils Cinematographer Julien Sicart Sound Engineer Toma Baquéni Production Design Virginie Montel Costume Design Laurent Sénéchal Film Editing Ingrid Simon Sound Editor Simon Apostolou Sound Mixer