Main Characters Ri Jung Hyuk 16 main appearances Yoon Se Ri 16 main appearances Goo Seung Joon 16 main appearances Seo Dan 14 main appearances
Recurring Guest Characters Choi Ji Woo 2 guest appearances Ryu Jung Min 2 guest appearances NIS Agent 2 guest appearances NIS Agent 2 guest appearances NIS Agent 2 guest appearances NIS Agent 2 guest appearances Grave Robber 1 guest appearances Grave Robber 1 guest appearances Lee Gun Woo 1 guest appearances Julia 1 guest appearances Taxi Driver 1 guest appearances Hairdresser 1 guest appearances Hotel Clerk 1 guest appearances Woman 1 guest appearances Hwang Tae Yong 1 guest appearances Armory Staff 1 guest appearances Elevator Operator 1 guest appearances Chul Kang's Subordinate 1 guest appearances Clothing Store Owner 1 guest appearances Detention Center Chief 1 guest appearances ⇤ « 1 2 3 4 5 » ⇥