鄭則仕
Dr. Lamb (羔羊醫生) is a 1992 Hong Kong horror crime film directed by Danny Lee and Billy Tang. The film stars Lee, Simon Yam and Kent Cheng. "Dr Lamb" was rated Category III by the Hong Kong motion picture rating system. The film is allegedly based on a true crime that took place in 1982 (Hong Kong's serial killers Lam Kor-wan).