Lidia Korsakówna

Hanka Ruczajówna

Tadeusz Schmidt

Janek Szarliński

Adam Mikołajewski

Leon Ciepielewski

Tadeusz Kondrat

Władysław Dobrzyniec

Barbara Bieńkowska

Basia

Wanda Bojarska

Kasia Ciepielewska

Janina Draczewska

Złocień Woman

Antonina Gordon-Górecka

Chief Director

Barbara Rachwalska

Aniela Rębaczowa

Joanna Walter

Zosia Bonecka

Zofia Wilczyńska

Natalka

Edmund Biernacki

Foreman

Lucjan Dytrych

National Council Member

Edward Dziewoński

Warsaw Guide

Michał Gazda

Janek's Friend

Wacław Jankowski

Warsaw Man

Wacław Kowalski

Stefan Wachowiak

Klemens Mielczarek

Wacław Osica

Henryk Modrzewski

Engineer

Leopold Rene Nowak

Bricklayer

Wojciech Siemion

Bronek

Jerzy Szpunar

Olek

Stanisław Winczewski

Henryk Tokarski

Stanisław Woliński

Warsaw Man

Janusz Ziejewski

Minister

Feliks Żukowski

Director of Unification

Henryk Bielski

Group Member (uncredited)

Tadeusz Janczar

Group Member (uncredited)

Stanisław Michalski

Harmonist (uncredited)

Halina Mikołajska

Bricklayer (uncredited)

Józef Nowak

Speaker (uncredited)

Władysław Walter

Warsaw Man (uncredited)