Renata Litvinova Faina Director, Actor, Screenwriter, Producer Maksim Sukhanov Professor Mikhail Konstantinovich Actor Viktor Sukhorukov Viktor Iliazarovich Actor Svetlana Svetlichnaya Mama Actor Kseniya Kachalina Klavdiya Actor Dmitriy Ul'yanov Nikolay Actor Konstantin Murzenko Yegorov-Yaruarov Actor Konstantin Khabenskiy Polosuyev Actor Sergey Melkumov Producer Elena Yatsura Producer Igor Vdovin Original Music Vladislav Opelyants Cinematographer Ekaterina Zaletaeva Production Design