Tsui Hark, born Tsui Man-kong, is a Hong Kong filmmaker. 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 producer; his productions include A Better Tomorrow (1986), A Better Tomorrow II (1987), 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".

A Better Tomorrow is a 1986 Hong Kong action film directed, co-written, and co-produced by John Woo; co-produced by Tsui Hark; and starring Ti Lung, Leslie Cheung and Chow Yun-fat. The film had a profound influence on Hong Kong action cinema, and has been recognised as a landmark film credited with setting the template for the heroic bloodshed genre, with considerable influence on both the Hong Kong film industry and Hollywood.