The heroic struggle of Polish post office workers in Gdańsk on the first day of World War II.
Bronisław Dardziński
as Kowalski
Włodzisław Ziembiński
as Postman Rajca
Kazimierz Wichniarz
as Kunert
Stanisław Jasiukiewicz
as Lt. Konrad Guderski
Jerzy Sliwa
as Postman Barcikowski
Piotr Fronczewski
as Boguś Barcikowski
Hanna Zembrzuska
as Irka
Jan Machulski
as Janek
Irena Netto
as Erna Pająkowa
Danuta Królska
as Trudka
Edward Kowalczyk
as Stanisław Herman
Adam Kwiatkowski
as Plichta
