Alina Yukhnevich. Alina Yukhnevich was 22 in Only Serious Relationship as 'Sonya Chizhik'.
Aleksandr Robak. Aleksandr Robak was 47 in Only Serious Relationship as 'Chizhik's Father'.
Irina Pegova. Irina Pegova was 42 in Only Serious Relationship as 'Chizhik's Mother'.
Vladimir Kanukhin. Vladimir Kanukhin was 26 in Only Serious Relationship as 'Leva'.
Elizaveta Goncharenko. Elizaveta Goncharenko was 30 in Only Serious Relationship as 'Ninon'.
Aleksey Bagdasarov. Aleksey Bagdasarov was 58 in Only Serious Relationship as 'Aristarkh Petrovich'.
Sergey Styopin. Sergey Styopin was 55 in Only Serious Relationship as 'Nikolay (Driver)'.
Pavel Misailov. Pavel Misailov was 38 in Only Serious Relationship as 'Investigator'.
Georgy Gayduchik. Georgy Gayduchik was >> in Only Serious Relationship as 'Misha'.
Darya Beloded. Darya Beloded was >> in Only Serious Relationship as 'Katya'.
Sergey Abroskin. Sergey Abroskin was 38 in Only Serious Relationship as 'Vegan'.
Philipp Gurevich. Philipp Gurevich was 32 in Only Serious Relationship as 'Intern'.Daniyar Artykbaev. Daniyar Artykbaev was >> in Only Serious Relationship as 'Janitor'.
Vadim Norshteyn. Vadim Norshteyn was >> in Only Serious Relationship as 'David'.Artem Glukhov. Artem Glukhov was >> in Only Serious Relationship as 'Bespectacled scarf'.Anastasiya Pletner. Anastasiya Pletner was >> in Only Serious Relationship as 'Lera'.Anton Babushkin. Anton Babushkin was >> in Only Serious Relationship as 'Garik'.Maria Ovchinnikova. Maria Ovchinnikova was >> in Only Serious Relationship 
Elena Muravyova. Elena Muravyova was 38 in Only Serious Relationship as 'Anyuta'.Vyacheslav Ross. Vyacheslav Ross was 54 in Only Serious Relationship as 'Director, Screenplay, Producer'
Andrey Katorzhenko. Andrey Katorzhenko was 41 in Only Serious Relationship as 'Director of Photography'Sonya Ross. Sonya Ross was >> in Only Serious Relationship as 'Screenplay'Alexander Kotelevsky. Alexander Kotelevsky was 61 in Only Serious Relationship as 'Producer'
Andrey Novikov. Andrey Novikov was 46 in Only Serious Relationship as 'Producer'
Varvara Kotelevskaya. Varvara Kotelevskaya was >> in Only Serious Relationship as 'Associate Producer'Mikhail Kolodyazhnyy. Mikhail Kolodyazhnyy was >> in Only Serious Relationship as 'Executive Producer'Dmitriy Naumov. Dmitriy Naumov was 39 in Only Serious Relationship as 'Editor'Matvey Epanchintsev. Matvey Epanchintsev was >> in Only Serious Relationship as 'Editor'Pavel Esenin. Pavel Esenin was 49 in Only Serious Relationship as 'Original Music Composer'Nikolay Anokhin. Nikolay Anokhin was >> in Only Serious Relationship as 'Original Music Composer'Elena Petrunina. Elena Petrunina was >> in Only Serious Relationship as 'Costume Design'Pavel Yanovitsky. Pavel Yanovitsky was >> in Only Serious Relationship as 'Production Design'
Anar
Anna Astashkina
Anastasiya Somova
Gleb Ross