How many movies have Billy Chan Wui-Ngai and Pan Yung-Sheng collaborated on?

They have worked on 11 movies together! Their first movie together was Hapkido (1972) while their highest rated movie together was When Taekwondo Strikes (1973). They have not worked together since The Owl vs Bombo (1984). They are most known for their action films together.

Role
Cart Driver Eating Tofu with Cheung
Role
Prison Guard
Crew
Martial Arts Choreographer
Role
Killer with Long White Hair
Role
Crew
Martial Arts Choreographer
Role
One of Panther's Men
Role
Casino Fighter (uncredited)
Role
Hapkido Student (uncredited)
Role
Black Bear Student (uncredited)