cast
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Jacky Cheung Hok-Yau
Professor C.Y. Siu / Helios
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Nick Cheung Ka-Fai
Lee Yan Ming, Eric
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Shawn Yue Man-Lok
Fan Ka Ming
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Chang Chen
Gam Dao Nin / Messenger of Helios
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Wang Xueqi
Song An
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Ji Jin-hee
Choi Min Ho
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Choi Si-won
Park Woo Cheol
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Janice Man Wing-San
Zhang Yijun / Messenger of Helios
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Yoon Jin-yi
Sin Mi Kyung
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Joyce Feng
Yuan Xiaowen (Chief Secretary of Mr. Song)
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Philippe Joly
Younger Mr. BIG's Thug
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Kim Hye-yoon
Park Woo Cheol's Sister
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Kim Hae-sook
Park Young Sook (Director of NIS)
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Lee Tae-ran
Yoon Hee Seon (Choi Min Ho's Wife)
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Philip Keung Ho-Man
Wong Kin Chung
- Paul Fonoroff Martin Koo
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Josephine Koo Mei-Wah
Sophia
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Ken Law Ho-Ming
Lee Yan Ming's Subordinate
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Jerry Leung Ho-Kai
Lee Yan Ming's Subordinate
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Tracy Chu
Lee Yan Ming's Subordinate
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Benny Li Shun-Yan
Representative of Hong Kong Customs
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Eric Chung
Representative of LCSD
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Ben Yuen Foo-Wah
Representative of Transport Department
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Timothy Cheng Chi-Sing
Representative of Fire Services
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Rachel Kan
Representative of Hospital Authority
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Chan Suk-Yee
Director of Immigration
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Gill Mohindepaul Singh
Saad
- Icy Wong Female Reporter
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Ji Dae-han
Korean Ambassador
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Park Jeong-hak
Marine Police of Korea
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Eddie Ho Wai-Yip
Fan Ka Ming's Subordinate
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Luk Man-Wai
Fan Ka Ming's Subordinate
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Hedwig Tam
Fan Ka Ming's Subordinate
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Mike Leeder
Younger MR. BIG / Older MR. BIG
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Singh Hartihan Bitto
Younger Mr. BIG's Thug
- Semiquaver Iafeta Younger Mr. BIG's Thug
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Zhang Chaoli
Xiao Li (Senior Secretary of Mr. Song)
- Gilbert Bae Manager of Raw Material Plant Factory
- Frank K.H. Kim Manager of Raw Material Plant Factory
- Kim Yanghyeong M.C. at Choi Min Ho's Son's Birthday Party
- Ha Woojung Choi Myeong Gun (Choi Min Ho's Son)
- Park Jaeyoung Choi Myeong Gun's Grandfather
- Kim Hyunsook Choi Myeong Gun's Grandmother
- Noah Wong Man-Nok Hacker
- Vincent Chi Mo-Chun Superintendent of Macau Police
- Duncan Cheung Hacker Assistant