A talented violin-playing country boy struggles to get acceptance for his love for music.
| Actor | Role |
|---|---|
 Stefan RogulskiJanko Muzykant as child | Janko Muzykant as child |
| WWitold ContiJanko Muzykant as adult | Janko Muzykant as adult |
 Maria MalickaEwa Korecka, singer | Ewa Korecka, singer |
 Adolf DymszaFlorek | Florek |
 Kazimierz KrukowskiLopek | Lopek |
| WWieslaw GawlikowskiArtur Horski, music teacher | Artur Horski, music teacher |
 Aleksander ŻabczyńskiZaruba | Zaruba |
 Tekla TrapszoKrywultowa, Janko's Mother | Krywultowa, Janko's Mother |
| AAntoni BednarczykEkonom | Ekonom |
 Stanisław SielańskiWaiter | Waiter |
 Zygmunt ChmielewskiWlasciciel knajpy 'Krzaczki' | Wlasciciel knajpy 'Krzaczki' |
| MMichał HaliczKolega z poprawczaka | Kolega z poprawczaka |