Dorota Stalińska as Marianna "Pearl"

Stanisław Igar as Nowicki

Krzysztof Pieczyński as Marek

Iga Cembrzyńska as Marianna's Mother

Anna Romantowska as Head Nurse

Marek Bargiełowski as Activist

Stanisław Biczysko as Militiaman

Anna Chodakowska as Therapist

Jan Jurewicz as Militiaman

Juliusz Kalinowski as Patient

Halina Kazimierowska as Patient

Małgorzata Leśniewska as Patient

Krystyna Lubicz-Lisowska as Patient

Konrad Morawski as Patient

Stanisław Pąk as Marianna's Friend

Joanna Poraska as Patient

Małgorzata Rożniatowska as Patient

Janusz Zerbst as Niedźwiecki

Ewa Żukowska as Niedźwiecka

Zbigniew Bartosiewicz as Marianna's Mother's Lover

Marek Czyżewski as Marianna's Friend

Witold Darski as Marianna's Friend

Witold Dederko as Patient

Andrzej Matysiak as Marianna's Friend

Zdzisław Rychter as Marianna's Friend

Mieczysław Sałek as Marianna's Friend

Ludomir Słupeczański as Nursing Home Director

Krzysztof Zieliński as Marianna's Friend

Magdalena Celówna-Janikowska as (uncredited)