Do filmm directors Joseph L. Mankiewicz and Berthold Viertel share the same nationality?
Berthold Viertel Berthold Viertel (28 June 1885 - 24 September 1953) was an Austrian screenwriter and film director notable for his work in Germany, Britain and the United States.
Salka Viertel Salka Viertel (15 June 1889 – 20 October 1978) was an Austrian actress and screenwriter. Viertel was born "Salomea Sara Steuermann" in Sambor, a city then in the province of Galicia, which was a part of the Austro-Hungarian Empire, but today is in western Ukraine. Her two brothers were the pianist and composer Eduard Steuermann and the football player Zygmunt Steuermann; her sister Rosa (1891–1972) was married to the actor .