Chow Yun-fat SBS, previously known as Donald Chow, is a Hong Kong actor. He has collaborated with filmmaker John Woo in five Hong Kong action films: A Better Tomorrow (1986), A Better Tomorrow II (1987), The Killer (1989), Once a Thief (1991) and Hard Boiled (1992), and in the West is known for his roles as King Mongkut in Anna and the King (1999), Li Mu-bai in Crouching Tiger, Hidden Dragon (2000) and Sao Feng in Pirates of the Caribbean: At World's End (2007).

John Woo Yu-Sen is a Hong Kong filmmaker, known as a highly influential figure in the action film genre. He is a pioneer of heroic bloodshed films and the gun fu genre in Hong Kong action cinema, before working in Hollywood films. He is known for his highly chaotic "bullet ballet" action sequences, stylized imagery, Mexican standoffs, frequent use of slow motion and allusions to wuxia, film noir and Western cinema.