Tadeusz Białoszczyński as Aleksander

Jadwiga Andrzejewska as Aleksander's Bridge Partner

Jan Ciecierski as Aleksander's Bridge Partner

Janusz Kłosiński as Poniatowski

Jan Rudnicki as Aleksander's Bridge Partner

Andrzej Jurczak as MO Scout (uncredited)

Ireneusz Kaskiewicz as MO Lieutenant (uncredited)

Maria Klejdysz as Waitress (uncredited)

Eugeniusz Korczarowski as MO Scout (uncredited)

Lech Łotocki as MO Scout (uncredited)

Jerzy Zygmunt Nowak as Man in a Cafe (uncredited)

Edmund Fetting as Radio Speaker (voice) (uncredited)