In the Line of Duty 5: Middle Man (1990)
| Release Date: | 1990, June 15 |
| Directors: | Cha Chuen-Yee |
| Countries: | Hong Kong |
| Production: | D & B Films |
| Cast: | Kenny Wong Tak-Ban, Chik King-Man, Nicky Li Chung-Chi, Eddie Koo Koon Chung, Chan Tat-Kwong, Mark King, Lau Kong, Chris Lee Kin-Sang, James Ha Chim-Si, David Wu, Billy Chow Bei-Lei, Vincent Lyn |