How many movies have Chu Yau-Ko and Gam Lui acted in together?

They have worked on 7 movies together! Their first movie together was Two Fools capture a Ghost (1959) while their highest rated movie together was A Mad World of Fools (1974). They have not worked together since A Mad World of Fools (1974).

Role
Taoist priest w/jiangshi
Role
Priest's crony