How many movies have Gordon Lam Ka-Tung and Singh Hartihan Bitto acted in together?

They have worked on 6 movies together! Their first movie together was Who's Next (2007) while their highest rated movie together was Mad Detective (2007). They have not worked together since Hand Rolled Cigarette (2021). They are most known for their action films together.

Role
Albert Kwong Chi-lap
Role
Southeast Asian Man