Gordon Lam Ka-tung (Chinese: 林家棟, born 21 September 1967) is a Hong Kong actor, film producer and screenwriter. Initially known for his supporting roles in films directed by Andrew Lau Wai-Keung and Johnnie To Kei-Fung, Lam eventually became a lead actor in the Hong Kong film industry, appearing in the 2013 box-office hit Firestorm and the Hong Kong Film Award-winning 2016 film Trivisa, which also netted him the Hong Kong Film Award for Best Actor.