Cho Jae-ryong

as Soma (2 episodes)

as King Group manager (1 episode)

as Duty manager

as Kang Gyeong-soo (2 episodes)

as Lee Man-ho (16 episodes)

as Cho Seong-dae (16 episodes)

as Park Seung-man (16 episodes)

as Secretary Park (36 episodes)

as Song Ho-Chan (32 episodes)

as Hayato

as Professor (1 episode)

as Wooruk (18 episodes)

as "Mr. Monk" (12 episodes)

as Hospital Manager

as Platoon Commander of North Korean Army

as Kang Dong Seok (16 episodes)

as Secretary Sung (16 episodes)

as Chicken Wholesale Store Owner

as Shadow 5

as Gye-ssong

as Guard

as Kim Wun Il

as Hit Team 2

as Police