Mikhail Grubov
Kostya
Roman Kurtsyn
Genka
Sergey Lavygin
Pashka
Nikita Ostrikov
Seryoga Plotnikov
Aleksey Guskov
Nikolay, Kostya's Father
Galina Bokashevskaya
Kostya's Mother
Anna Banshchikova
Marina, Kostya's Stepmother
Oleg Kulikovich
Eduard Mikhaylovich, Kostya's Stepfather
Svetlana Smirnova-Martsinkevich
Olga
Georgiy Solovyov
Nikita, Olga's Son
Andrey Popovich
Young Kostya
Igor Lyakh
Headmaster Aleksandr Stepanovich
Elena Morozova
Head Teacher Elena Vasilyevna
Kseniya Galinskaya
Natasha, Kostya's Sister
