Jang In-sub

as Cha Seong-tae (12 episodes)

as Oh Sang-min (12 episodes)

as Yoon-sub (archive footage)

as Yoon Ji-seok (16 episodes)

as Plastic surgeon (1 episode)

as Hwangbo Yu-ui (32 episodes)

as Yoon-sub

as Mokpo

as Oh Jin-kyu (16 episodes)

as Eung-chul (16 episodes)

as So Sang Hee (16 episodes)

as Jae-woo

as Choi Seong-eun (3 episodes)

as Bradley (16 episodes)

as Yang Woo-Jin (16 episodes)

as Min-chul

as Jihwan

as Taeik

as Bong Man-Ho (51 episodes)

as Rookie Detective

as Department Head Kim

as Finance crime special team, as Financial Crimes Team Member

as Police Officer