- Mikhail Grubov
- Kostya
- Sergey Lavygin
- Pashka
- Nikita Ostrikov
- Seryoga Plotnikov
- Aleksey Guskov
- Nikolay
- Galina Bokashevskaya
- Kostya's Mother
- Anna Banshchikova
- Marina, Kostya's Stepmother
- Svetlana Smirnova-Martsinkevich
- Olga
- Oleg Kulikovich
- Eduard Mikhaylovich, Kostya's Stepfather
- 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
- Ivan Bogomazov
- Romka, Kostya's Brother
- Daniil Kokin
- Slavik
- Aleksey Oding
- Slavik's Friend
- Mikhail Tryasorukov
- Boxing Coach Mikhalych
- Natalya Dragileva
- Nurse Tanechka
- Aleksey Semyonov
- Hospital Doctor
- Natalya Iokhvidova
- Nurse at the Children's Hospital
- Gennadiy May
- Doctor at the Children's Hospital
- Andrey Nekrasov
- Patient without legs
- Aleksander Shpilko
- Patient with a book
- Anna Arefeva
- Galya, Pashka's Wife
- Marianna Semyonova
- Woman on the Train
- Anastasiya Tsybulskaya
- Girl on the Train
- Arina Morozova
- Lover of Kostya's Father
- Tatyana Ryabokon
- Prostitute
- Roman Andreyev
- Bar Security Man
- Dmitriy Mikhaylo
- Game Machine Security Man
- Ilya Morozov
- Art School Student
- Valentina Trukhacheva
- Art School Student
- Oksana Ilves
- Nurse
- Oleg Khamitov
- Criminal
- Roman Kurtsyn
- Gena
- Roman Pritula
- Inspektor DPS
