Louis Koo 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. Koo has 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.