Acting Wong Leung-Sing Biography Wong Leung-Sing (黃良昇) is a Hong Kong actor and singer. He is nicknamed Blue Jeans (藍戰士). Acting The Iceman Cometh Thief 1989 All Night Long 1989 My Dream is Yours 1988 Other Credits The Last Duel Original Music Composer 1989 Carry On Hotel Musical 1988 Agent-readable