Jadwiga and Karol, siblings leaving in Western Poland learn that the man that has raised them is not their biological father.

Tadeusz Kalinowskias Świeca
Marian Kociniakas Karol
Krystyna Mikołajewskaas Jadwiga / Hanka
Roland Głowackias Hans Kruger
Elżbieta Gorzyckaas Helka, Karol's sister
Krzysztof Litwinas Franek, Karol's brother
Gustaw Lutkiewiczas Chlebek
Irena Nettoas Hans' Mother
Jerzy Nowakas Kranz
Ryszard Pietruskias Drewniak