Cast 33
Park Yoon-hoPark Gyu-jin
Kim Nam-gilLee Do
Kim Young-kwangMoon Baek
Moon Seong-hyunTeenage Moon Baek
Park HoonKoo Jeong-man
Kil Hae-yeonOh Gyeong-suk
Kim Won-haeCho Hyeon-sik
Woo Ji-hyunYoo Jeong-tae
Jung Woong-inYoon Won-cheol
Cho Han-chulCaptain Joo
Ahn Se-hoKim Deok-hyeon
Cha Rae-hyungSeo Hyeong-ju
Jang Dong-juJang Jeong-woo
Son Bo-seungSeo Young-dong
Hong Min-giKang Seong-jun
Kim Joong-heeReporter Wang
Park Kwang-jaeYong-guSSun Woo-sun[Psychiatrist]
Kang Chae-youngPark So-hyeon [Nurse]
Kong Hyun-jiCho Se-yeong [Hyeon-sik's Daughter]
Do Eun-biKo Ji-yeong [Water Purifier Coordinator]
Lee SukJeo Won-sung [Sex Offender]
Kim Dae-gonCho Woo-tae [Jeong-man's Subordinate]
Shin Mun-sungHwang Suk-min [Inspector]
Jeon Su-ji[Situation Room Chief]
Song You-hyun[Teacher]
Choi Jeong-in[Gyu-jin's Mother]
Gu HyunLee Do (child)
Han Sa-myeong[Internal affairs investigator]
Lee Ji-hoonComputer Repair Shop Owner
Kim Yoon-jinAnti-gun Supporter (eps 10)
Han Se-heeGun Supporter
Kang Jeon-yeongDoctor