Cast & crew
Undercover (2007)
Directed by Billy Chung Siu-Hung Written by Law Yiu-Fai
Cast
| Shawn Yue Man-Lok | Feng |
| Monie Tung Man-Lee | Sandy |
| Kent Tong Chun-Yip | Wah Ying |
| Ben Ng Ngai-Cheung | Brother Sun |
| Marco Lok Lik-Wai | Lik |
| Sam Lee | Fai |
| Osman Hung | Brother Pao |
| Otto Wong | Cop killed by Fai |
| Michael Lam Wai-Leung | |
| Tsang Wai-Ming | Uncle Chai |
Crew
| Billy Chung Siu-Hung | Director |
| Ronald Wong | Executive Producer |
| Andrew Lau Wai-Keung | Cinematography |
| Law Yiu-Fai | Writer |