Cast & crew
On the Edge (2006)
Directed by Herman Yau Written by Herman Yau, Yin-Yee Tin, Jacky Wong Oi-Sang
Cast
| Nick Cheung Ka-Fai | Harry Sin |
| Francis Ng Chun-Yu | Don Dark |
| Derek Tsang Kwok-Cheung | Mini B |
| Rain Lee Choi-Wah | Cat |
| Calvin Poon Yuen-Leung | Jimmy |
| Lester Chan Chit-Man | Mr. Cheung (as Lester Chan) |
| Anthony Wong | Lung |
| Chik King-Man | Amy |
| Pauline Yam Bo-Lam | Madam Ho |
| Raymond Tsang Chau-Ming | Sam |
| Ming-Sing Wong | Dave |
| Y.Y. Lam | Kitty, Dave's Girlfriend |
| Wong Ting Pong | Internal Investigations Office Constable |
| Sze-Ming Lu | Tsu |
| Chan Tat-Kwong | |
| Frankie Chan Chi-Leung | Hon |
| Au Hin-Wai | |
| Kam Loi-Kwan | |
| Johnny Lu | |
| Winston Yeh Ying-Wen | |
| Eddie Pang Wai-On |
Crew
| Herman Yau | Director |
| Ng Kin-Hung | Producer |
| Herman Yau | Writer |
| Azrael Chung | Editor |
| Yin-Yee Tin | Screenplay |
| Puccini Yu Kwok-Ping | Director of Photography |
| Brother Hung | Original Music Composer |
| Alvin Lam | Executive Producer |
| Jacky Wong Oi-Sang | Screenplay |