Eddy Ko

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Eddy Ko Hung (; born Ho Yiu-sum ; 13 December 1937) is a Hong Kong television and film actor who has worked on the TV stations RTV, ATV (are both now defunct), and TVB. He is perhaps best known for his roles as Chan Chung in the 1984 Hong Kong action war film ''Heroes Shed No Tears'', and Grandpa Hong in the 1998 American action comedy film ''Lethal Weapon 4''. Most recently, he has made appearances in several international films including 2015's ''The Martian''. Provided by Wikipedia