Alex Lee Yip-Kin Details Cast On MovieCast On TV Name Alex Lee Yip-Kin Also Known As 李業健, 李业健 Birthday Gender Male Place of Birth As: Policeman2000-11-17Gen-Y Cops... As: CID2008-12-05Legendary Assassin... As: Uncle Ninth's Buddy 2003-08-11Men Suddenly in Blac... As: Policeman #42004-09-23New Police Story... As: Sam's Follower2002-12-12Infernal Affairs... As: Jewelry Store Worker2010-08-26The Stool Pigeon...