Cudowne dziecko

Rusty Jedwab

Piotr Meller

Edward Garson

Aleksander

Daria Trafankowska

Piotr's Mother

Mariusz Benoit

Piotr's Father

Władysław Kowalski

Police Chief

Natasza Maraszek

Małgosia

Tomasz Klimasiewicz

Michał

Jan Machulski

Colonel

Maria Robaszkiewicz

Jacek's Mother

Maciej Szary

Jacek's Father

Danuta Kowalska

Małgosia's Mother

Grażyna Szapołowska

Michał's Mother

Andrzej Szczepkowski

Headmaster

Andrzej Blumenfeld

Piotr's Teacher

Wojciech Asiński

Bus Driver (uncredited)

Ewa Biała

Nurse (uncredited)

Zbigniew Bielski

Barkeeper (uncredited)

Jan Hencz

Professor (uncredited)

Piotr Krukowski

Doctor (uncredited)

Wojciech Mann

Orchestra Director (uncredited)