Was a Czech actor, screenwriter and film director.

Josef Mach worked as a journalist and stage performer at the beginning of his career, then in 1938 was appointed assistant director of short films at Grafo Film Studio[1] working with director Václav Kubásek. From 1946 Mach directed many feature films for Barrandov Studios in Prague. He is best known for The Sons of Great Bear, a 1966 Red Western film that he directed for the East German DEFA.