A Polish communist in prison breaks out at the start of the war, fight against the Germans and tries to find out who put him behind bars.

Józef Nowak
Paweł

Alicja Pawlicka
Ewa

Franciszek Pieczka
Stefan

Ludwik Pak
Wasyl

Zdzisław Karczewski
Florian

Halina Mikołajska
Woman with a Baby
Helena Chaniecka
Parolowa

Witold Pyrkosz
Gabryś

Stanisław Bieliński
Henryk

Kazimierz Fabisiak
Gądek
Marian Jastrzębski
Stefan's Father
Andrzej Krasicki
Prisoner

August Kowalczyk
Coroner

Zdzisław Kuźniar
Prison Guard

Zdzisław Lubelski
Kiosk Seller