After World War II, Martin revived Bertolt Brecht's The Threepenny Opera in Berlin, and premiered Georg Kaiser's pacifist drama, The Soldier Tanaka (Der Soldat Tanaka).
German stage and film director, best known for his expressionist productions.
Once married to actress Rose Stradner. She and her mother fled Austria and the Nazi invasion in 1936. Martin stayed behind and they divorced shortly after.