How many movies have Eileen Tung Oi-Ling and Eric Tsang Chi-Wai acted in together?

They have worked on 3 movies together! Their first movie together was Over the Rainbow, Under the Skirt (1994) while their highest rated movie together was Doctor Mack (1995). They have not worked together since Beauty and the 7 Beasts (2007). They are most known for their comedy films together.