Lidia Wysocka as Irena Majewska

Adolf Dymsza as Zygmunt Majewski

Michał Kiliński as Janek, Son of Majewski

Helena Buczyńska as Nowakowa

Ludwik Sempoliński as Kotowski

Hanka Bielicka as Kwiatkowska

Kazimierz Brusikiewicz as Miecio

Zofia Perczyńska as Krystyna, Władek's fiancée

Włodzimierz Skoczylas as Władek

Irena Brodzińska as Manicurist in a barber shop, Majewski's neighbor

Urszula Hałacinska as

Bronisław Darski as Inżynier Banasik

Michał Gazda as Kazimierz, a neighbor helping Irena to learn

Stanisław Jaworski as Salesman in a toy store

Maria Koterbska as Singer

Barbara Jakubowska as Taxi driver

Irena Skwierczyńska as Majewski's neighbor

Stefan Witas as Head in the Mechanical Equipment Works

Stanisław Woliński as Olech, Majewski's neighbor

Władysław Dewoyno as Driving Instructor (uncredited)

Henryk Hunko as A man at a picnic (uncredited)

Stanisław Igar as Hairdresser (uncredited)

Ignacy Machowski as Hairdresser Zygmunt (uncredited)

Roman Mikuła as A man operating a carousel (uncredited)

Józef Pieracki as Worker in the workshop of Transport Company (uncredited)

Wojciech Pilarski as Militiaman (uncredited)

Helena Puchniewska as Woman in a Cafe (uncredited)

Tadeusz Schmidt as Husband of Marysia Lewandowska (uncredited)