Mieczysław Grąbka
— Mops
Andrzej Nardelli
— Krzysztof
Małgorzata Potocka
— Irena
Franciszek Pieczka
— "King of Life"
Krzysztof Stroiński
— Rysiek
Joanna Żółkowska
— Aga
Jerzy Bińczycki
— German Tourist
Paweł Brun
— Zygmunt
Helena Dąbrowska
— Aga's Mother
Wanda Łuczycka
— Hospital Worker
Irena Netto
— Irena's Grandmother
Urszula Popiel
Aleksander Sewruk
— Aga's Father
Hanna Stankówna
— Lusia
Roman Sykała
— Committee Chairman
Kazimiera Utrata
— Irena's Mother
Jerzy Beres
— Exhibition Author (uncredited)
Zofia Charewicz
— Nurse at Bedside (uncredited)
Aleksander Fogiel
— Committee Member (uncredited)
Elżbieta Karkoszka
— Girl in Phone Booth (uncredited)
Leszek Kowalewski
— Henio (uncredited)
Janusz Kubicki
— Man Spectating Irena's Performance (uncredited)