Ronald Yan Mau-keung
Acting
Born Jan 1, 1952 (age 74) · Hong Kong, British Crown Colony
- Election2005
as Senior Inspector Yu
- Exiled2006
as Underground Doctor
- Mad Detective2007
as Chi-Wai's Boss
as Insp. Chan
as Man Gambler
as Sze-To's Boss
as Manager Ho Sze-tung
