From Wikipedia, the free encyclopedia. Louis Koo (born 21 October 1970) is a Hong Kong actor. He was once a notable local television series actor, winning TVB's Best Actor award in 1999 for Detective Investigation Files IV. In recent years, he has focused on film. Koohas become one of the more famous actors of the Hong Kong film industry, and a spokesman for Pepsi, Osim, Tag Heuer, Lotte, Zero Eyewear, Lay's, and other Chinese products.
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