Lidia Wysocka
— Irena Majewska
Adolf Dymsza
— Zygmunt Majewski
Michał Kiliński
— Janek, Son of Majewski
Helena Buczyńska
— Nowakowa
Ludwik Sempoliński
— Kotowski
Hanka Bielicka
— Kwiatkowska
Kazimierz Brusikiewicz
— Miecio
Zofia Perczyńska
— Krystyna, Władek's fiancée
Włodzimierz Skoczylas
— Władek
Irena Brodzińska
— Manicurist in a barber shop, Majewski's neighbor
Urszula Hałacinska
Bronisław Darski
— Inżynier Banasik
Michał Gazda
— Kazimierz, a neighbor helping Irena to learn
Stanisław Jaworski
— Salesman in a toy store
Maria Koterbska
— Singer
Barbara Jakubowska
— Taxi driver
Irena Skwierczyńska
— Majewski's neighbor
Stefan Witas
— Head in the Mechanical Equipment Works
Stanisław Woliński
— Olech, Majewski's neighbor
Władysław Dewoyno
— Driving Instructor (uncredited)
Henryk Hunko
— A man at a picnic (uncredited)
Stanisław Igar
— Hairdresser (uncredited)
Ignacy Machowski
— Hairdresser Zygmunt (uncredited)
Roman Mikuła
— A man operating a carousel (uncredited)
Józef Pieracki
— Worker in the workshop of Transport Company (uncredited)
Wojciech Pilarski
— Militiaman (uncredited)
Helena Puchniewska
— Woman in a Cafe (uncredited)
Tadeusz Schmidt
— Husband of Marysia Lewandowska (uncredited)