Yuen Woo-ping
In 1987, Yang made her film debut in "In the Line of Duty 3". The film's box office success started her long career. Sequels and other films followed, many of them in the girls with guns genre, most notably "In the Line of Duty 4: Witness", directed and choreographed by Yuen Woo-ping and co-starring Donnie Yen.