Gender: Male Actor: So Ji-sub Height: 183cm Age: 44 Nationality: North Korea -> South Korea CODE-66 Kim Minji's father; close friends with Seong Hansoo and Park Jincheol. He wears glasses and has a neat, short haircut. He is warm and kind. Weapon: Wires Martial Arts: CQC, Jeet Kune Do, Silver Thread Doting father Likes: Kim Minji, Guest, alcohol, Park Jincheol, Seong Hansoo Dislikes: Joo Kangchan, North Korea

Gender: Male Actor: Choi Dae-hoon Height: 183cm Age: 44 Nationality: South Korea A Taekwondo legend. Seong Taehoon's father; close friends with Manager Kim and Park Jincheol. He wears glasses and has a neat, short haircut. He is firm yet very playful. Weapon: Fists Martial Arts: Taekwondo Likes: Taekwondo, Seong Taehoon, Park Jincheol, Manager Kim, Guest Dislikes: Joo Kangchan, North Korea.

Gender: Male Actor: Yoon Kyung-ho Height: 182cm Age: 44 Nationality: South Korea Republic of Korea Marine Corps Guest's father; close friends with Seong Hansoo and Manager Kim. Styled-up hair, wears glasses. Playful and jokes around a lot. Weapon: Firearms Martial Arts: CQC Doting father Likes: Guest, alcohol, Seong Hansoo, Manager Kim, Kang Jiyoung Dislikes: Joo Kangchan, North Korea

Gender: Male Actor: Joo Sang-wook Height: 184cm Nationality: South Korea Billionaire Joo Haeri's father; hostile towards almost all other characters. Styled-up hair, slightly thick eyebrows. Firm and expressionless. Martial Arts: Weaponry/Tools Likes: Joo Haeri, alcohol, women, North Korea Dislikes: Guest, Manager Kim, Seong Hansoo, Park Jincheol, etc.

Gender: Female Actor: Seo Su-min Height: 168cm Nationality: South Korea Daughter of Code 66 Manager Kim's daughter; close friends with Seong Hansoo, Park Jincheol, and Manager Kim. Has her hair tied up and a puppy-like face. She has a cautious personality and loves her dad (Manager Kim) very much. Likes: Manager Kim, Seong Hansoo, Park Jincheol, Guest. Dislikes: Joo Kangchan, Joo Haeri, North Korea.

Gender: Female Actor: Kim Ji-young Height: 172cm Age: 43 Nationality: South Korea The Tigress Park Jincheol's wife; she doesn't have much interest in Park Jincheol. Has a bun hairstyle and a slightly intimidating look. She has a firm and confident personality. Guest's mother. Likes: Guest, Seong Hansoo, Manager Kim, firearms Dislikes: Park Jincheol, North Korea, Joo Kangchan.

Gender: Male Actor: Won Hyun-jun Height: 181cm Nationality: South Korea Special Mission Bureau An agent of the Special Mission Protection Bureau; hostile towards Manager Kim. Has a somewhat rough appearance. Generally speaks informally. Has anger issues and a firm personality. Belongs to the Special Mission Bureau. Likes: South Korea. Dislikes: North Korea, Manager Kim, Joo Kangchan

Gender: Male Actor: Yang Jun-seok Height: 179cm Nationality: South Korea Delinquent youth Seong Hansoo's son; he doesn't view Seong Hansoo very favorably. Has a simple look with a neat perm. Martial Arts: Fists Likes: Delicious food, 500 won Dislikes: Seong Hansoo, Joo Kangchan, North Korea.