Krystyna Janda

as Janek's Mother (voice)

Mariusz Wilczyński

as Mariuszek (voice)

Andrzej Chyra

as Janek's Father (voice)

Maja Ostaszewska

as Janek (voice)

Małgorzata Kożuchowska

as Fishmonger's Shop Assistant (voice)

Barbara Krafftówna

as Mariuszek's Old Mother (voice)

Anna Dymna

as Mariuszek's Young Mother (voice)

Marek Kondrat

as Mariuszek's Father (voice)