The Eighth Happiness stars this actor, regarded as one of four what?
Jacky Cheung: Jacky Cheung Hok-yau (born 10 July 1961) is a Hong Kong singer, songwriter and actor. Jacky Cheung:  With more than 25 million records sold as of 2003, he is regarded as one of the "Four Heavenly Kings" and has been deemed the "God of Songs" of Hong Kong.
i don't know