Trailer
 | Simon Yam as Lok |
 | Tony Leung Ka-fai as Big D |
 | Louis Koo as Jimmy |
 | Nick Cheung Ka-Fai as Jet |
 | Gordon Lam Ka-Tung as Kun |
 | Eddie Cheung Siu-Fai as Mr. So |
 | Lam Suet as Big Head |
 | Wong Tin-Lam as Uncle Teng |
 | Tam Bing-Man as Uncle Cocky |
 | Maggie Shiu Mei-Kei as Mrs. Big D |
 | David Chiang Da-Wei as Chief Superintendent Hui |
 | You Yongzhi as China Police Captain |
 | Wong Chung as Whistle |
 | Chan Siu-Pang as Uncle Monk |
 | Yuen Bun as Incense Master |
 | Berg Ng Ting-Yip as Senior Inspector Tou |
 | Ronald Yan Mau-Keung as Senior Inspector Yu |
 | Raymond Ho-Yin Wong as Detective Wong |
 | Robert Hung Law-Bat as Sam |
 | San Sin as Uncle Long Gun |
 | Paul Che Biu-Law as Tally |
 | Samuel Kwok Fung as Fish Head |
 | Wong Chi-Wai as Blackie |
 | Chiu Chi-Shing as Long Hair |
 | Wong Sze-Yan as Chak |
 | Lin Wen-Wei as Sparky |
 | Ho Hon-Chau as Uncle Double East |
| Tong Pau-Chung as Uncle Chiu Chow |
| Ho Chu as Mon |
 | Yuen Bo as Dinosaur |
 | Jonathan Lee Yat-Sing as Denny Lin |
 | Cheung Chi-Ping as Uncle Dead Dog |
 | Law Wing-Cheong as Four Eye |
 | Simon Yu Sai-Tang as Big D's Lawyer |
 | Chang Kin-Yung as Police Officer at Detention Centre |
 | Jimmy Wong as Society Leader |
 | Jackson Ha Chak-Shun as Policeman |
| Wai Kit Pang as Student |
 | Kwan Ching as Tong |
| Directing | |
| Johnnie To | Director |
Production | |
| Chiu Chi-Shing | Unit Manager |
Sound | |
| Lam Wai-Shun | Foley Artist |
| Lee Sin-Kwok | Sound Recordist |
Crew | |
| Catherine Chan Dao-Ho | Production Controller |
Art | |
| Tony Yu | Art Direction |
Production | |
| Johnnie To | Producer |
Editing | |
| Patrick Tam Kar-Ming | Editor |
Costume & Make-Up | |
| Stanley Cheung Sai-Kit | Costume Design |
Production | |
| Eric Huen Chi-Kit | Assistant Production Manager |
Writing | |
| Yau Nai-Hoi | Writer |
Production | |
| Jackson Ha Chak-Shun | Production Manager |
Editing | |
| Elaine Chu | Project Manager |
Writing | |
| Yip Tin-Shing | Writer |
Sound | |
| Yu Chi-Man | Foley Artist |
Editing | |
| Simon Fung | Assistant Editor |
Camera | |
| Cheng Siu-Keung | Director of Photography |
Costume & Make-Up | |
| Rachel Kong Tak-Yen | Hairstylist |
Art | |
| Brian Lau Shui-Yin | Assistant Art Director |
Lighting | |
| Wu Kwok-Chiu | Gaffer |
Production | |
| Ding Yuin-Shan | Production Supervisor |
Sound | |
| Fung Wing-Hong | Foley Artist |
Crew | |
| Lu Ching-Ting | Set Runner |
| Chan Siu-Pang | In Memory Of |
Directing | |
| Law Wing-Cheong | Assistant Director |
| Andy Ma Kun Wai | Script Supervisor |
Sound | |
| Lo Ta-Yu | Original Music Composer |
| Charlie Lo Pak-Yue | Sound Designer |
Crew | |
| Cathy Lau Wai-Fong | Post Production Assistant |
Sound | |
| May Mok Mei-Wa | Sound Mixer |
Crew | |
| Peony Lam Pik-Man | Special Effects Coordinator |
Sound | |
| Henry Yam Kwong-Heung | Foley Artist |
| Lam Hon-Chiu | Foley Artist |
Crew | |
| Charles Heung | Presenter |
Production | |
| Tiffany Chen | Administration |
Costume & Make-Up | |
| Kit Ling Chan | On Set Dresser |
Directing | |
| Pad Chan Wai-Hung | Assistant Director |
Sound | |
| Choy King-Fai | Foley Artist |
Camera | |
| Hirotake Okazaki | Still Photographer |
Sound | |
| Tommy Yu Ka-Luk | Foley Artist |
Visual Effects | |
| Pak Chung Kwan | Animation |
| Stephen Ma Man-Yin | Visual Effects Supervisor |
Production | |
| Elos Gallo | Consulting Producer |
Crew | |
| Dennis Law Sau-Yiu | Presenter |
Writing | |
| Po Sang Sie | Story Consultant |
Sound | |
| Au Chun-Wang | Foley Artist |
| Sona Balam | Sound Re-Recording Mixer |
Camera | |
| To Hung-Mo | Second Unit Director of Photography |
Production | |
| Kuk Kok-Leung | Line Producer |
Sound | |
| Charlie Lo Pak-Yue | Sound Editor |
| Man Keung Ngai | Boom Operator |
Lighting | |
| Kwong Ting-Fong | Best Boy Electric |
Art | |
| Andy Au Wing-Kei | Property Master |
Sound | |
| Kwong Sek-Kei | Foley Artist |
| May Mok Mei-Wa | Sound Designer |
Visual Effects | |
| Siu Lun Leung | Animation |
Costume & Make-Up | |
| Midco Chu Wai-Fong | Makeup Artist |
Production | |
| Dennis Law Sau-Yiu | Producer |
| Charles Heung | Producer |
