On September 20, 2026
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Cast of Helios
24 credited roles
Jacky Cheung Hok-Yau
Professor C.Y. Siu / Helios
Yue Man-lok
Fan Ka Ming
Chang Chen
Gam Dao Nin / Messenger of Helios
Wang Xueqi
Song An
Ji Jin-hee
Choi Min Ho
Choi Si-won
Park Woo Cheol
Janice Man
Zhang Yijun / Messenger of Helios
Yoon Jin-yi
Sin Mi Kyung
Joyce Feng
Yuan Xiaowen (Chief Secretary of Mr. Song)
Philippe Joly
Younger Mr. BIG's Thug
Kim Hye-yoon
Park Woo Cheol's Sister
Kim Hae-sook
Park Young Sook (Director of NIS)
Lee Tae-ran
Yoon Hee Seon (Choi Min Ho's Wife)
Philip Keung Ho-Man
Wong Kin Chung
Paul Fonoroff
Martin Koo
Josephine Koo Mei-Wah
Sophia
Ken Law Ho-Ming
Lee Yan Ming's Subordinate
Jerry Leung Ho-Kai
Lee Yan Ming's Subordinate
Tracy Chu
Lee Yan Ming's Subordinate
Benny Li Shun-Yan
Representative of Hong Kong Customs
Eric Chung
Representative of LCSD
Ben Yuen Foo-Wah
Representative of Transport Department
Timothy Cheng Chi-Sing
Representative of Fire Services
Rachel Kan
Representative of Hospital Authority
