Ewa Krzyżewska as Wanda-Irena

Stanisław Mikulski as Stefan

Barbara Bargiełowska as Stefan's Maid

Maria Omielska as Nurse

Irena Szczurowska as Renata

Aleksander Fogiel as Receptionist

Janusz Kłosiński as Zawiślak

Leon Niemczyk as Doctor

Witold Pyrkosz as Edek

Tadeusz Schmidt as Man talking with the Snitch

Feliks Żukowski as Man in a Restaurant

Janusz Gajos as Soldier escorting the Speaker (uncredited)

Andrzej Herder as Wanda's Friend (uncredited)

Eugeniusz Korczarowski as Wanda's Friend (uncredited)

Władysław Kowalski as Speaker (uncredited)

Józef Łodyński as Snitch (uncredited)

Bohdana Majda as Woman in a Tram (uncredited)

Ewa Żukowska as Woman pulled out of Water (uncredited)