Tsui Hark (Chinese: 徐克, Vietnamese: Từ Khắc, born 15 February 1950), born Tsui Man-kong, is a Hong Kong film director, producer and screenwriter. Tsui has directed several influential Hong Kong films such as Zu Warriors from the Magic Mountain (1983), the Once Upon a Time in China film series (1991–1997) and The Blade (1995). Tsui also has been a prolific writer and (a very hands-on) producer; his productions include A Better Tomorrow (1986), A Chinese Ghost Story (1987), The Killer (1989), The Legend of the Swordsman (1992), The Wicked City (1992), Iron Monkey (1993) and Black Mask (1996). He is viewed as a major figure in the Golden Age of Hong Kong cinema and is regarded by critics as "one of the masters of Asian cinematography".