When it is discovered that the Zygmunt mine in Upper Silesia has been deemed unprofitable and is to be closed by flooding, the miners go on strike and a violent demonstration ensues.
| Actor | Role |
|---|---|
 Lucja KowolikWikta | Wikta |
 Olgierd ŁukaszewiczJaś | Jaś |
 Jan EnglertErwin Maliniok | Erwin Maliniok |
 Franciszek PieczkaHubert Siersza | Hubert Siersza |
| JJerzy CnotaAugust Mol | August Mol |
 Bernard KrawczykFranciszek Bula | Franciszek Bula |
 Tadeusz MadejaOchman | Ochman |
| HHenryk MaruszczykAlojz Grudniok | Alojz Grudniok |
 Marian OpaniaAlbert | Albert |
| JJerzy SiwyMilenda | Milenda |
 Wojciech AlaborskiMajor Suchanek | Major Suchanek |
 Władysław BarańskiNot listed | Not listed |
 Aleksander BednarzNot listed | Not listed |
| ZZygmunt BiernatLes | Les |
 Jan BógdołNot listed | Not listed |
 Emir BuczackiMalitsch | Malitsch |
 Witold DederkoNot listed | Not listed |
| EEdward DobrzańskiNot listed | Not listed |
 Marian DziędzielHubert | Hubert |
| JJuliusz DziemskiNot listed | Not listed |
| MMarian GańczaNot listed | Not listed |
 Andrzej GazdeczkaWladek | Wladek |
 Piotr GrabowskiPriest | Priest |
| JJulian KilarNot listed | Not listed |
| LLeszek KowalskiSzpila | Szpila |
 Edward KusztalPaweł | Paweł |
 Michał LeśniakNot listed | Not listed |
 Józef MorgałaNot listed | Not listed |
| BBarbara NowakowskaNot listed | Not listed |
| AAlfred PolokNot listed | Not listed |