Jacky Cheung Hok-Yau
Professor C.Y. Siu / Helios
Nick Cheung Ka-Fai
Lee Yan Ming, Eric
Shawn 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 Wing-San
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)
