Trailer
 | Jacky Cheung Hok-Yau as Professor C.Y. Siu / Helios |
 | Nick Cheung Ka-Fai as Lee Yan Ming, Eric |
 | Shawn Yue Man-Lok as Fan Ka Ming |
 | Chang Chen as Gam Dao Nin / Messenger of Helios |
 | Wang Xueqi as Song An |
 | Ji Jin-hee as Choi Min Ho |
 | Choi Si-won as Park Woo Cheol |
 | Janice Man Wing-San as Zhang Yijun / Messenger of Helios |
 | Yoon Jin-yi as Sin Mi Kyung |
 | Joyce Feng as Yuan Xiaowen (Chief Secretary of Mr. Song) |
 | Philippe Joly as Younger Mr. BIG's Thug |
 | Kim Hye-yoon as Park Woo Cheol's Sister |
 | Kim Hae-sook as Park Young Sook (Director of NIS) |
 | Lee Tae-ran as Yoon Hee Seon (Choi Min Ho's Wife) |
 | Philip Keung Ho-Man as Wong Kin Chung |
 | Paul Fonoroff as Martin Koo |
 | Josephine Koo Mei-Wah as Sophia |
 | Ken Law Ho-Ming as Lee Yan Ming's Subordinate |
 | Jerry Leung Ho-Kai as Lee Yan Ming's Subordinate |
 | Tracy Chu as Lee Yan Ming's Subordinate |
 | Benny Li Shun-Yan as Representative of Hong Kong Customs |
 | Eric Chung as Representative of LCSD |
 | Ben Yuen Foo-Wah as Representative of Transport Department |
 | Timothy Cheng Chi-Sing as Representative of Fire Services |
 | Rachel Kan as Representative of Hospital Authority |
 | Chan Suk-Yee as Director of Immigration |
 | Gill Mohindepaul Singh as Saad |
| Icy Wong as Female Reporter |
 | Ji Dae-han as Korean Ambassador |
 | Park Jeong-hak as Marine Police of Korea |
 | Eddie Ho Wai-Yip as Fan Ka Ming's Subordinate |
 | Luk Man-Wai as Fan Ka Ming's Subordinate |
 | Hedwig Tam as Fan Ka Ming's Subordinate |
 | Mike Leeder as Younger MR. BIG / Older MR. BIG |
 | Singh Hartihan Bitto as Younger Mr. BIG's Thug |
| Semiquaver Iafeta as Younger Mr. BIG's Thug |
 | Zhang Chaoli as Xiao Li (Senior Secretary of Mr. Song) |
| Gilbert Bae as Manager of Raw Material Plant Factory |
| Frank K.H. Kim as Manager of Raw Material Plant Factory |
| Kim Yanghyeong as M.C. at Choi Min Ho's Son's Birthday Party |
| Ha Woojung as Choi Myeong Gun (Choi Min Ho's Son) |
| Park Jaeyoung as Choi Myeong Gun's Grandfather |
| Kim Hyunsook as Choi Myeong Gun's Grandmother |
| Noah Wong Man-Nok as Hacker |
| Vincent Chi Mo-Chun as Superintendent of Macau Police |
| Duncan Cheung as Hacker Assistant |
| Crew | |
| MJ Chan | Stunt Double |
Directing | |
| Sunny Luk Kim-Ching | Director |
| Leung Lok-Man | Director |
Writing | |
| Sunny Luk Kim-Ching | Screenplay |
| Leung Lok-Man | Screenplay |
Art | |
| Alex Mok Siu-Chung | Production Design |
Crew | |
| Chi Shui-Tim | Pyrotechnician |
Editing | |
| Eric Kwong Chi-Leung | Editor |
Camera | |
| Pakie Chan | Director of Photography |
Sound | |
| Jacky Cheung Hok-Yau | Theme Song Performance |
Editing | |
| Wong Hoi | Editor |
Sound | |
| Peter Kam Pau-Tat | Original Music Composer |
Crew | |
| Chris Collins | Stunts |
Camera | |
| Gabriel Ko Pui Chung | Grip |
Directing | |
| Duncan Cheung | Second Assistant Director |
Production | |
| Kathy Wong Ka-Yi | Assistant Production Manager |
Crew | |
| Lai Kwok-Wai | Set Runner |
| Jason Kwan | Cinematography |
Camera | |
| Yuen Wan-Tang | Assistant Camera |
| Derek Ng Siu-Leon | Assistant Camera |
