Tadeusz Białoszczyński

Aleksander

Jadwiga Andrzejewska

Aleksander's Bridge Partner

Jan Ciecierski

Aleksander's Bridge Partner

Janusz Kłosiński

Poniatowski

Jan Rudnicki

Aleksander's Bridge Partner

Andrzej Jurczak

MO Scout (uncredited)

Ireneusz Kaskiewicz

MO Lieutenant (uncredited)

Maria Klejdysz

Waitress (uncredited)

Eugeniusz Korczarowski

MO Scout (uncredited)

Lech Łotocki

MO Scout (uncredited)

Jerzy Zygmunt Nowak

Man in a Cafe (uncredited)

Edmund Fetting

Radio Speaker (voice) (uncredited)