The Steel Hearts
In occupied Silesia, resistance is organizing. In close contact with the miners and led by an engineer, a group of partisans prepare the sabotage of the steel combine. The going will be tough as the place is closely guarded by the Nazis. But despite a denunciation from a traitor and several violent deaths, they get going and the operation is a success. But the Red Army is approaching and now the coal production must not be sabotaged anymore. On the contrary, the partisans must prevent the Germans from destroying the steel mill and the coal mine...
Storyline
In occupied Silesia, resistance is organizing. In close contact with the miners and led by an engineer, a group of partisans prepare the sabotage of the steel combine. The going will be tough as the place is closely guarded by the Nazis. But despite a denunciation from a traitor and several violent deaths, they get going and the operation is a success. But the Red Army is approaching and now the coal production must not be sabotaged anymore. On the contrary, the partisans must prevent the Germans from destroying the steel mill and the coal mine...
Irena Laskowska
Danka
Helena Buczyńska
Gustlikowa
Władysław Hańcza
Engineer Karol
Mieczysław Serwiński
Hauptsturmführer Helmut Kirschke - Inspector
Tadeusz Burnatowicz
'Raptus' (as T. Burnatowicz)
Stanisław Winczewski
Pawel
Edmund Biernacki
Henzel
Ludwik Ruszkowski
Manager
Bronisław Darski
Jan Steiner
Feliks Żukowski
Michał Wontor
Karol Chorzewski
Marian Dąbrowski
Marian Gielniewski
Tadeusz Łomnicki
Miner Wiktor Tuszyński
Leon Pietraszkiewicz
Józef Pilarski
Old worker
Klemens Puchniewski
Zbigniew Skowroński
Watchman
Kazimierz Wichniarz
Foreman
Wacław Zwoliński
Jerzy Kawalerowicz
German Officer (uncredited)