How many movies have Andrew Lau Wai-Keung and Garry Chan Chi-Shing collaborated on?

They have worked on 9 movies together! Their first movie together was Millionaires' Express (1986) while their highest rated movie together was The Thirty Million Dollar Rush (1987). They have not worked together since Young and Dangerous 5 (1998). They are most known for their comedy films together.

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CID
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Druggy Ma Chen
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Director of Photography