| Alyona Mikhailova | | Antonina Miliukova |
| Odin Lund Biron | | Pyotr Tchaikovsky |
| Filipp Avdeev | | Modest Tchaikovsky / Anatoli Tchaikovsky |
| Ekaterina Ermishina | | Liza, Antoninona's Sister |
| Natalya Pavlenkova | | Olga Nikaronovna, Antonina's Mother |
| Nikita Elenev | | Kotek, Tchaikovsky's Pupil |
| Aleksandr Gorchilin | | Brandukov, Tchaikovsky's Pupil |
| Varvara Shmykova | | Sasha, Tchaikovsky's Sister |
| Vladimir Mishukov | | Shlykov, Antonina's Lawyer |
| Viktor Khorinyak | | Yurgenson, Tchaikovsky's Publisher |
| Miron Fedorov | | Nikolai Rubinstein |
| Andrey Burkovskiy | | Vladimir Meshchersky |
| Nikita Pirozhkov | | Alyosha, Tchaikovsky's Servant |
| Gurgen Tsaturyan | | Bochechkarov |
| Natalia Polenova | | Khvostova |
| Nikita Lebedev | | Aleksandr, Antonina's Brother |
| Sofya Reznik | | Anastasia, Aleksandr's wife |
| Yuliya Aug | | Mad Woman at Church |
| Irina Rudnitskaya | | Cook |
| Peter Aidu | | Undertaker |