Line Walker Skuespillere og folkene bag
Francis Ng Chun-YuQ-Sir / Inspector Q Charmaine Sheh Sze-ManDing Siu-Ka Benz Hui Siu-HungFoon Hei-Gor Moses Chan HoPolice Superintendent Zhang HuiwenSiu Ying, Blue's Bodyguard Bob Lam Shing-BanFerrari Owner Timothy Cheng Chi-SingLam Tung Yau Jimmy Au Shui-WaiHong Sir Rebecca Zhu ChenliSamantha, CIB Detective Hugo WongShiu Chi-Long's Subordinate Sammi CheungCIB Detective Choi Kwok-HingTriad Member Ken Law Ho-MingLam Bok-Man's Bodyguard Jerry Leung Ho-KaiLam Bok-Man's Bodyguard Ben Yuen Foo-WahTriad Member Alice Fung So-BorAuntie Mui Michael Wai Chi-HoCocktail MC Cheung Lap-FungAssassin in Sauna Leo Lai Yat-NamRestaurant Manager Kevin TongPeter, IT Manager Benjamin Wong Chi-KongMa Sir Vernon FongInterrogation Room Policeman Ho Chun-HinInterrogation Room Policeman Xavier Leung Kwok-KinShiu Chi-Long's Thug Sunny ChowChum Foon Hei's Thug Kwing Lam Ka-WingChum Foon Hei's Thug Jones Lee Chung HeiTriad Member Julius Brian SiswojoTriad Member Edward Chui Wai-TungTriad Member Andy Wong Chi-ManLam Tung Yau's Bodyguard Che Kim-FaiLam Tung Yau's Bodyguard Jason WongKwok Ming's Thug Jacky LeiKwok Ming's Thug Ronald Lam Tsz-KitSurveillance Room Policeman Derek Lam Ling-YuenTung Pak-Ho's Thug Woo Man-JunTung Pak-Ho's Thug Emil Chan Cheuk-WahNg Pak's Thug Jordon Ho Kwok-NamPolice Inspector David Yu Tat-ChiPolice Inspector Mark Lam Wing-ChungPolice Inspector Chan Ying-KitPolice Inspector Akai LeeKwong Ming Lawyer Cheung Wing-KaiOTCB Officer Kwong Yuk-ChungOTCB Officer Law Yim-CheongOTCB Officer Yiu Man-KeiDing's Police Guard Tommy Leung Pok-YanDing's Police Guard Cat Kwan Ho-MingForfatter Tommy Leung Ga-ShuProducer Kenny Tse Chung-ToDirector Of Photography Kenneth YeeCostume Design Yusuke HatanoKomponist af original musik Kathy Wong Ka-YiProduktionsleder 
