Detective Investigation Files () is a TV series in Hong Kong about detectives, produced by TVB. The series had four installments, spanning from 1995 to 1999.
Cast The first (1995), second (1995), and third (1997) installments starring: Michael Tao Dai Yu Joey Leung Wing Chung Kenix Kwok Ho Ying Louisa So Yuk Wah
The fourth installment (1999) is a complete reboot of the series, with new cast led by: Louis Koo Tin Lok Sunny Chan Kam Hung Jessica Hester Hsuan Charmaine Sheh Shi Man Lee San San
Availability The VCDs of Detective Investigation Files I - IV are now available worldwide.