How many movies have Osman Hung and Wong Chi-On acted in together?

They have worked on 5 movies together! Their first movie together was Men Suddenly in Black (2003) while their highest rated movie together was Tactical Unit - No Way Out (2008). They have not worked together since 72 Tenants of Prosperity (2010). They are most known for their thriller films together.

Role
Delivery Man at Qiu Tian Zhan
Role
Delivery Man at Qiu Tian Zhan