How many movies have Anita Yuen and Tony Leung Ka-fai acted in together?

They have worked on 6 movies together! Their first movie together was Tom, Dick and Hairy (1993) while their highest rated movie together was He Ain't Heavy, He's My Father (1993). They have not worked together since I Love Hong Kong 2011 (2011). They are most known for their comedy films together.