How many movies have Chung Chi-Keung and Wang Chung acted in together?

They have worked on 2 movies together! Their first movie together was The Criminals, Part 3: Arson (1977) while their highest rated movie together was The Criminals, Part 5: The Teenager's Nightmare (1977). They have not worked together since The Criminals, Part 5: The Teenager's Nightmare (1977).