Directing Wong Wa-Kei Directed Best Friend of the Cops 1990 Faithfully Yours 1988 Sapporo Story 1987 Cadets on the Beat 1986 The Surgeon 1984 The Shy Boy 1983 Carry On Police 1982 To Sir with Troubles 1981 One Step Ahead 1980 The Three Avengers 1979 Lam Ah Chun Blunders Again 1979 My Kung Fu Master 1978 On Probation 1977 Acting Hello Dracula: The Series Zombie 1988 Agent-readable