Detective Investigation Files IV (Chinese: 刑事偵緝檔案IV) is the 4th and final installment of the Detective Investigation Files TV franchised by TVB in Hong Kong. It is a complete reboot of the series, with new cast. The series focuses on the lives of two detectives, Tsui Fei (Louis Koo) and Kong Chi Shan (Sunny Chan), and the murder cases they deal with.
Louis Koo
徐飞
Jessica Hsuan Huen
武俏君
Sunny Chan Kam-Hung
江子山
Charmaine Sheh Sze-Man
文婉兰
Lee San-San
唐心如 Tong Sum Yu
Safina Lam
Barnaby Jones70%
Crime63%
Tell Me Your Secrets73%
The Assassin68%
77 Sunset Strip72%
Missing You61%
Agatha Christie's Marple78%
Mosaic65%
Baretta65%
Steal74%
Inside Man68%
Suspect60%
Spenser: For Hire69%
Vigil71%
The Purge69%
56 Days73%
Death and Other Details65%
Frankie Drake Mysteries63%
Sherlock & Daughter66%
Father Brown76%
