How many movies have Billy Luk Wing-Kuen and Bosco Wong Chung-Chak acted in together?

They have worked on 5 movies together! Their first movie together was 東亞華星演唱會 (2009) while their highest rated movie together was 72 Tenants of Prosperity (2010). They have not worked together since Golden Brother (2014). They are most known for their comedy films together.