All Cast
Evgeny Mironov
Pyotr
Chulpan Khamatova
Liza
Merab Ninidze
Boris
Yuliya Marchenko
Katya
Vladimir Seleznyov
Romka
Aleksandr Kuznetsov
Petya in his youth
Alexey Lyubimov
Boris in his youth
Alina Gvasaliya
Liza in her youth
Era Ziganshina
Vera Leopoldovna, Borya's grandmother
Alexey Vedernikov
Eva's boyfriend
Filipp Ershov
Petya's friend in his youth
Kirill Frolov
Petya's friend in his youth
Artyom Fadeev
Petya in his youth
Natalya Iokhvidova
mathematic teacher
