Three children strike a deep friendship after a chance encounter during World War 2.

Małgorzata Potocka
Julka

Nikolay Burlyaev
Sasha
Igor Straburzyński
Jurek
Maria Zbyszewska
Jaworowa

Józef Nowak
Stach

Franciszek Pieczka
Priest

Tadeusz Schmidt
Julia's uncle (credited as Tadeusz Szmidt)

Janusz Kłosiński
Sołtys "Sęk"

Jerzy Turek
Franek

Wacław Kowalski
Policeman
Danil Nietrebin
Paratroops Leader

Kazimierz Dębicki

Marian Friedmann
Gendarme

Jarosław Kuszewski

Eliasz Kuziemski
Schultz