Marek Sikora as Jurek

Agata Siecińska as Elzbieta

Józef Nalberczak as ojciec Jurka

Tadeusz Białoszczyński as Professor Pilarski

Bolesław Płotnicki as dziadek Jurka

Krystyna Borowicz as Ewa Chmielewska, ciotka Jurka

Halina Buyno-Łoza as babcia Jurka

Teofila Koronkiewicz as sasiadka Lepiszewska

Jerzy Bończak as górnik Rudolf

Emir Buczacki as Lekarz pogotowia

Henryk Bąk as Sekretarz partii w kopalni

Witold Dederko as Staruszek na karuzeli

Jan Himilsbach as Mezczyzna ze szczeniakiem na dworcu

Marek Kondrat as Staszek Chmielewski, kuzyn Jurka

Krzysztof Kowalewski as Teacher

Włodzimierz Nowak as Zolnierz prowadzacy konia

Roman Burkot as Blondynek