Main Characters
Son Hyuk
20 main appearances
Yoon Hye In
20 main appearances
Lee Jung Woo
20 main appearances
Kim Joon Ho
19 main appearances
Kim Ki Soo
19 main appearances
Recurring Guest Characters
Hong Soo Jin
1 guest appearances
Jung Hyung Joon
1 guest appearances
Special Agent B2
1 guest appearances
Special Agent B4
1 guest appearances
Virtual Game Toy Owner
1 guest appearances
Virtual Game Toy Owner
1 guest appearances
Kwon's Daughter
1 guest appearances
Special Agent B3
1 guest appearances
Special Agent B6
1 guest appearances
Athena's Director
1 guest appearances
Russian Mafioso
1 guest appearances
Lee Tae Min
1 guest appearances
Onew
1 guest appearances
Key
1 guest appearances
Doosan Heavy Industries Nuclear Physicist
1 guest appearances
President's Bodyguard
1 guest appearances
Kim Sun Hwa's Husband
1 guest appearances
Park Seu Mei
1 guest appearances
Lee Chang
1 guest appearances