Gustaw Holoubek as Zenon Wiewiórski

Irena Malkiewicz as Janina Radwańska

Kalina Jędrusik as Barbara Percykówna

Wieńczysław Gliński as Ryszard Kuryłło

Aleksander Bardini as Zakrzewski

Edward Dziewoński as Edward Szafrankiewicz

Aleksander Dzwonkowski as Teodor Gellert

Wanda Łuczycka as Brygidka

Barbara Krafftówna as Flapcia

Tadeusz Janczar as Roman Witting

Wojciech Siemion as Józio

Ignacy Machowski as Marceli Witting

Irena Dziedzic as Herself

Bohdan Łazuka as Radio Reporter

Celina Kubicówna as Director's Secretary

Stefan Wroncki as

Barbara Halmirska as Wiewiórski's Friend

Hugo Krzyski as Writer

Krystyna Cierniak as Girl in a Cafe

Stefan Rydel as Wiewiórski's Friend

Krystyna Sienkiewicz as Flower Shop Clerk

Andrzej Jarecki as Wiewórki's Friend (uncredited)

Grzegorz Lasota as Wiewiórski's Friend (uncredited)

Stanisław Tym as Actor (uncredited)

Leopold Tyrmand as Wiewiórski's Friend (uncredited)