Lidia Korsakówna as Hanka Ruczajówna

Tadeusz Schmidt as Janek Szarliński

Adam Mikołajewski as Leon Ciepielewski

Tadeusz Kondrat as Władysław Dobrzyniec

Barbara Bieńkowska as Basia

Wanda Bojarska as Kasia Ciepielewska

Janina Draczewska as Złocień Woman

Antonina Gordon-Górecka as Chief Director

Barbara Rachwalska as Aniela Rębaczowa

Joanna Walter as Zosia Bonecka

Zofia Wilczyńska as Natalka

Edmund Biernacki as Foreman

Lucjan Dytrych as National Council Member

Edward Dziewoński as Warsaw Guide

Michał Gazda as Janek's Friend

Wacław Jankowski as Warsaw Man

Wacław Kowalski as Stefan Wachowiak

Klemens Mielczarek as Wacław Osica

Henryk Modrzewski as Engineer

Leopold Rene Nowak as Bricklayer

Wojciech Siemion as Bronek

Jerzy Szpunar as Olek

Stanisław Winczewski as Henryk Tokarski

Stanisław Woliński as Warsaw Man

Janusz Ziejewski as Minister

Feliks Żukowski as Director of Unification

Henryk Bielski as Group Member (uncredited)

Tadeusz Janczar as Group Member (uncredited)

Stanisław Michalski as Harmonist (uncredited)

Halina Mikołajska as Bricklayer (uncredited)

Józef Nowak as Speaker (uncredited)

Władysław Walter as Warsaw Man (uncredited)