Na Kwang-hoon

as Yao Youzhi (5 episodes)

as Rev. Fang

as Old Boat Officer / 老津令 (3 episodes)

as Kim Walker

as MSS Director

as Shen Ching (8 episodes)

as Nie Chengjiang (2 episodes)

as Seo Soo-gon

as Chen Zixian (5 episodes)

as Chinese Ambassador

as Professor Sun (24 episodes)

as Security Captain

as Jang Min-gi

as Hsiao's father (1 episode)

as Yang Moon-seok

as Police

as Mahjong Table Brawler 2