Cast & crew
Infernal Affairs III (2003)
Directed by Andrew Lau Wai-Keung, Alan Mak Siu-Fai Written by Felix Chong Man-Keung, Alan Mak Siu-Fai
Cast
| Tony Leung Chiu-wai | Chan Wing Yan |
| Andy Lau | Lau Kin Ming |
| Leon Lai Ming | Superintendent Yeung Kam Wing |
| Chen Daoming | Shadow Shen Cheng |
| Anthony Wong | Wong Chi Shing |
| Eddie Li Yu-Yeung | Young Yeung Kam Wing |
| Chapman To Man-Chat | Silly Keung |
| Eric Tsang Chi-Wai | Hon Sam |
| Kelly Chen Hui-Lin | Lee Sum Yee |
| Sammi Cheng Sau-Man | Mary |
| Carina Lau | Mary Hon |
| Edison Chen | Young Lau Kin Ming |
| Shawn Yue Man-Lok | Young Chan Wing Yan |
| Waise Lee Chi-Hung | Sergeant Chan Chun |
| Berg Ng Ting-Yip | Inspector Cheung |
| Wan Chi-Keung | Officer Leung |
| Au Hin-Wai | OCTB Officer |
| Gordon Lam Ka-Tung | Inspector B |
| Vincent Wan Yeung-Ming | Nightclub Manager |
| Courtney Wu | Stereo Shop Owner |
| Mason Chiu | IA Officer |
| Benjamin Yuen Wai-Ho | CIB Officer |
| Lam Chi-Tai | IA Officer |
| Chan Kwok-Wing | SP |
| Chan Shek-Kong | Uncle Chan |
Crew
| Andrew Lau Wai-Keung | Director |
| Alan Mak Siu-Fai | Director |
| Felix Chong Man-Keung | Writer |
| Ronald Wong | Coordinating Producer |
| Danny Pang Phat | Editor |
| Andrew Lau Wai-Keung | Producer |
| Wong Wai-Fai | Stunt Coordinator |
| John Chong | Executive Producer |
| Bill Lui Cho-Hung | Art Direction |
| Lorraine Ho | Line Producer |
| Gao Feng Jun | Producer |
| Han Hong Fei | Executive Producer |
| Jonathan Li Tsz-Chun | Third Assistant Director |
| Ray Wu | Visual Effects Producer |
| Simon Chan Kwok-Hong | Makeup Effects |
| Cheng Yu-Lai | Makeup Artist |
| Cash Chin Man-Kei | First Assistant Director |
| Eddy Wong Wang-Hin | Visual Effects Supervisor |
| Jai Ip | Steadicam Operator |
| Ellen Cheung Man-Wing | Line Producer |
| Kinson Tsang King-Cheung | Sound Designer |
| Felix Chung Sze-Ming | Sound Effects Editor |
| George Lee Yiu-Keung | Sound Re-Recording Mixer |
| Jimmy Wong | Steadicam Operator |
| Tsang Yat-Ping | Hairstylist |
| Siu Wai Ngok | Makeup Artist |
| Victor Wong Wang-Tat | Visual Effects Supervisor |
| Ask Lee | Third Assistant Director |
| Terry Lam | Visual Effects Director |
| Fok Kam-Tong | Special Effects |
| Silver Cheung | Costume Design |
| Ng Man-Ching | Director of Photography |
| Comfort Chan | Original Music Composer |
| Samuel Wong | Hairstylist |
| Curran Pang | Editor |
| Leung Li-Chi | Sound Mixer |
| Pad Chan Wai-Hung | Second Assistant Director |
| Andrew Lau Wai-Keung | Director of Photography |
| Jonathan Li Tsz-Chun | Assistant Director |
| Ronald Wong | Choreographer |
| Andy Lau | Theme Song Performance |
| Alan Mak Siu-Fai | Writer |