Line Walker (Traditional Chinese: 使徒行者; literally "Apostle Walker") (Chinese: 使徒行者; Jyutping: si3 tou4 hang4 ze2) is a 2014 Hong Kong crime thriller drama produced by TVB, starring Michael Miu, Charmaine Sheh, Raymond Lam as the main leads with Sharon Chan, Benz Hui, Elena Kong, Sammy Sum, Oscar Leung and Toby Leung in main supporting roles. Filming took place from January 2014 till May 2014.