Are Chen Kaige and Berthold Viertel both film directors?
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.
Chen Shi-Zheng Chen Shi-Zheng (; born 1963 in Changsha, Hunan, China) is a New York-based theater director.