 Mikhail GrubovKostya | Kostya |
 Roman KurtsynGenka | Genka |
 Sergey LavyginPashka | Pashka |
| NNikita OstrikovSeryoga Plotnikov | Seryoga Plotnikov |
 Aleksey GuskovNikolay, Kostya's Father | Nikolay, Kostya's Father |
 Galina BokashevskayaKostya's Mother | Kostya's Mother |
 Anna BanshchikovaMarina, Kostya's Stepmother | Marina, Kostya's Stepmother |
 Oleg KulikovichEduard Mikhaylovich, Kostya's Stepfather | Eduard Mikhaylovich, Kostya's Stepfather |
 Svetlana Smirnova-MartsinkevichOlga | Olga |
| GGeorgiy SolovyovNikita, Olga's Son | Nikita, Olga's Son |
| AAndrey PopovichYoung Kostya | Young Kostya |
 Igor LyakhHeadmaster Aleksandr Stepanovich | Headmaster Aleksandr Stepanovich |
 Elena MorozovaHead Teacher Elena Vasilyevna | Head Teacher Elena Vasilyevna |
| KKseniya GalinskayaNatasha, Kostya's Sister | Natasha, Kostya's Sister |
| IIvan BogomazovRomka, Kostya's Brother | Romka, Kostya's Brother |
 Aleksey OdingSlavik's Friend | Slavik's Friend |
| MMikhaBoxing Coach Mikhalych | Boxing Coach Mikhalych |
| NNatalya DragilevaNurse Tanechka | Nurse Tanechka |
 Aleksey SemyonovHospital Doctor | Hospital Doctor |
 Natalya IokhvidovaNurse at the Children's Hospital | Nurse at the Children's Hospital |
| GGennadiy MayDoctor at the Children's Hospital | Doctor at the Children's Hospital |
 Andrey NekrasovPatient without legs | Patient without legs |
 Aleksander ShpilkoPatient with a book | Patient with a book |
 Anna ArefievaGalya, Pashka's Wife | Galya, Pashka's Wife |
| MMaryana SemyonovaWoman on the Train | Woman on the Train |
 Anastasiya TsybulskayaGirl on the Train | Girl on the Train |
 Irena MorozovaLover of Kostya's Father | Lover of Kostya's Father |
 Tatyana RyabokonProstitute | Prostitute |
| RRoman AndreyevBar Security Man | Bar Security Man |
| DDmitriy MikhayloGame Machine Security Man | Game Machine Security Man |
