Black Diamonds

Engineer Nawrat, together with the mining crew, takes up the fight to save the local mine from being taken over by foreign capital.

• Director: Jerzy Gabryelski
• Cast: Zbigniew Sawan, Zofia Kajzerówna, Stanisława Wysocka, Ina Benita, Aleksander Zelwerowicz, Franciszek Dominiak, Helena Łopuszańska, Jerzy Chodecki