How many movies have Michael Chan Wai-Man and Phillip Ko Fai collaborated on?

They have worked on 18 movies together! Their first movie together was Snake Deadly Act (1980) while their highest rated movie together was Diamond Fight (1981). They have not worked together since Spiritually a Cop (1989). They are most known for their action films together.

Role
Charlie Chan
Role
Hitman
Crew
Producer
Crew
Fight Choreographer
Role
Chief Constable Jin Bu Huan
Role
Asst Instructor Shi Tu