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.
Ulrich Bettac Ulrich Bettac (2 May 1897 – 20 April 1959), born Ulrich Ewald Berthold Bettac, was a German-born Austrian actor and theatre director. He was especially well known for his work as a character actor at the Burgtheater in Vienna; he also had a fairly extensive film career.