Danny Lee Sau-Yin (Chinese: 李修賢, born August 6, 1952) is a Hong Kong actor, film producer, screenwriter, director, action director and presenter. He is best known for frequently portraying Hong Kong police officers in films such as "Law With Two Phases" (1984), "The Killer" (1989) and "The Untold Story" (1993). He won the award for Best Leading Actor at the 1984 Golden Horse Awards.