In the Line of Duty 4

Two detectives who are up to their necks in trouble and in each other's face, as they try to shut down a drug-trafficking scheme that could be connected with international ties to organized crime. But in the midst of their investigation, innocent immigrant dock worker Luk Wan-Ting gets caught up in the mix when he witnesses the murder of an intelligence operative and is framed for the crime.

• Yuen Woo-PingDirector
• Kim Yip Kwong-KimWriter
• Cheung Chi-SingWriter
• Stephen Shin Kei-YinWriter
• Anthony Wong Wing-FaiWriter
• Richard YuenOriginal Music Composer
• Tang Siu-LamOriginal Music Composer

• Cynthia KhanInsp Rachel Yeung Lai-Ching
• Donnie YenCaptain Donnie Yan
• Michael WongCaptain Michael Wong
• Yuen Yat-ChohLuk Wan-Ting
• Lisa Chiao ChiaoLuk's Mother
• Wai Gei-ShunHK Police Officer
• Yuen Shun-YiDrug Dealer
• Michael WoodsBlack Fighter on Rooftop / Motorbike
• John SalvittiFighter in Alley
• Stephan BerwickFighter on Motorbike
• Fairlie Ruth KordickBlonde Fighter
• Paul Wong KwanKiller at Hospital