Gustlik learns the magical world of Silesian legends listening to his grandfather's stories.
| Actor | Role |
|---|---|
 Franciszek PieczkaKarol Kostka | Karol Kostka |
 Arkadiusz JakubikGustlik | Gustlik |
 Ewa BorowikBasia | Basia |
 Emilia KrakowskaGustlik's mother | Gustlik's mother |
 Marzena TrybałaHelenka | Helenka |
| LLidia BieniasGustlik's aunt | Gustlik's aunt |
 Anna DymnaDragon | Dragon |
 Andrzej BalcerzakKing | King |
| ZZygmunt BiernatGustlik's uncle | Gustlik's uncle |
| JJerzy CnotaPrawik | Prawik |
 Marian GlinkaHetman | Hetman |
| MMieczysław JasieckiKarol Kostka's friend | Karol Kostka's friend |
| EEugeniusz ŁawskiKarol Kostka's friend | Karol Kostka's friend |
 Tadeusz MadejaGustlik's uncle | Gustlik's uncle |
| SStanisław MareckiKarol Kostka's friend | Karol Kostka's friend |
| AAlfred PolokNot listed | Not listed |
| SStanisław PtakGustlik's father | Gustlik's father |
 Zbigniew SawanSkarbek | Skarbek |
 Henryk TalarBandit | Bandit |
 Ryszard ZaorskiJester | Jester |
| AAntoni ZwyrtekGustlik's uncle | Gustlik's uncle |
 Wirgiliusz GryńAchim (voice) (uncredited) | Achim (voice) (uncredited) |
 Bogusław SochnackiKing (voice) (uncredited) | King (voice) (uncredited) |