Question: Are Chen Kaige and Berthold Viertel both film directors?

Context paragraphs:
Farewell My Concubine (film): Farewell My Concubine is a 1993 Chinese drama film directed by Chen Kaige.  It is one of the central works of the Fifth Generation movement that brought Chinese film directors to world attention.  Similar to other Fifth Generation films like "To Live" and "The Blue Kite", "Farewell My Concubine" explores the effect of China's political turmoil during the mid-20th century on the lives of individuals, families, and groups.  In this case, the affected are two male stars in a Peking opera troupe and the woman who come between them.

King of the Children: King of the Children () is a 1987 drama film directed by Chen Kaige and starring Chen Shaohua.  The film was based on a novella of the same name by Ah Cheng.  The film was entered into the 1988 Cannes Film Festival.

The Wiser Sex: The Wiser Sex is a 1932 American Pre-Code crime drama film made by Paramount Pictures, directed by Berthold Viertel and Victor Viertel, and starring Claudette Colbert, Melvyn Douglas, Lilyan Tashman, William "Stage" Boyd and Ross Alexander.

Han Sanping: Han Sanping (born 1953) is a Chinese film producer and distributor.  He is the chairman of China Film Group Corporation, which has been hailed as one of the largest distributors and exporters of Chinese films.  Han has also co-produced with established film directors such as Peter Chan, Chen Kaige, Stephen Chow and Johnnie To.

Zhang Junzhao: Zhang Junzhao (; born 1952) is a Chinese film director and screenwriter who was mainly active in the 1980s.  A graduate of the Beijing Film Academy and a contemporary of such acclaimed directors as Zhang Yimou, Chen Kaige, and Tian Zhuangzhuang, Zhang Junzhao was a prominent early member of China's Fifth Generation filmmakers.  His 1984 film "One and Eight" ("Yi ge he ba ge") is well known as a film that marked the advent of the Fifth Generation, while "The Shining Arc" (弧光; "Hu guang", 1988) was nominated for the Golden St. George award at the 1989 Moscow International Film Festival.

Chen Kaige: Chen Kaige (] , born 12 August 1952) is a Chinese film director and a leading figure of the fifth generation of Chinese cinema.  His films are known for their visual flair and epic storytelling.  Chen won the Palme d'Or at 1993 Cannes Film Festival and the International Federation of Film Critics (FIPRESCI) Award in 1993.

Cao Baoping: Cao Baoping is a Chinese film director.  He has emerged in recent years as a figure in China's "midrange" cinema industry.  Some industry watchers, like "Variety", have situated directors like Cao between the older fifth generation directors, such as Chen Kaige or Zhang Yimou, who have achieved major international and box-office success, and the more "underground" sixth generation directors, like Jia Zhangke and Wang Xiaoshuai.

Salka and Berthold Viertel House: The Salka and Berthold Viertel House at 165 North Mabery Road in Santa Monica, California, was the home of the Austrian screenwriter Salka Viertel and her husband Bertold from 1933 to 1944.

Hu Mei: Hu Mei (born 2 September 1958) is a Chinese film director, television director and producer.  Usually classed as a Fifth Generation director, since she graduated from the Directors' class of the 1982 Beijing Film Academy cohort, she is a classmate of famous Fifth Generation directors such as Chen Kaige and Tian Zhuangzhuang.

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.

Supporting paragraphs: Chen Kaige Berthold Viertel
Answer: yes