How many movies have Kara Wai Ying-Hung and Robert Mak Tak-Law acted in together?

They have worked on 8 movies together! Their first movie together was The Deadly Breaking Sword (1979) while their highest rated movie together was The 8 Diagram Pole Fighter (1984). They have not worked together since Fist Power (2000). They are most known for their action films together.