as Choi Chan-soo(12 eps)
as Lee Ji-hoon(5 eps)
as Cha Seong-tae(12 eps)
as Oh Sang-min(12 eps)
as Yoon-sub (archive footage)
as Yoon Ji-seok(16 eps)
as Plastic surgeon(1 ep)
as Hwangbo Yu-ui(32 eps)
as Yoon-sub
as Mokpo
as Oh Jin-kyu(16 eps)
as Eung-chul(16 eps)
as So Sang Hee(16 eps)
as Jae-woo
as Choi Seong-eun(3 eps)
as Bradley(16 eps)
as Yang Woo-Jin(16 eps)
as Min-chul
as Jihwan
as Taeik
as Bong Man-Ho(51 eps)
as Rookie Detective
as Department Head Kim
as Finance crime special team
as Financial Crimes Team Member
as Police Officer
as Young-jae