The movie depicts the harsh realities of coal mining workers in a Moravian city (Ostrava).
Rudolf Myzet
as Machácek
Anatol Montalmare
as Ing. Oblomský
Jiřina Janderová
as Olga
Antonín Ludvík Havel
as Ing. Skála
Václav Menger
as Dobes
Blažena Částková
as Havlena's Sister
Míla Holeková
as Kohoutka
Ellen Simonová
as Jarmila
Eduard Ševčík
as Siegfried Kohlmann
Zdeněk Vilím
as Young Havlena
Eduard Bartoš
as Konrád Havlena