Chan Wui-ngai, (born 6 February 1953; often credited as Billy Chan) is a Hong Kong actor, stuntman, director, fight choreographer, and film producer.
[1] Chan won the 1983 Hong Kong Film Award for Best Action Choreography along with Sammo Hung, Lam Ching-ying and Xia Ling-zhen (Yuen Biao) for his work in The Prodigal Son.
In his teenage years, he was sent to the China Drama Academy, a Peking opera School run by Yu Jim-yuen.
Chan trained rigorously for the next decade, excelling in martial arts and acrobatics.
He next directed the film Brotherhood, which starred Ko Chun-hsiung and Chow Yun-fat.