Trigger
Moon Seong-hyunMoon Baek (teen) Kil Hae-yeonOh Gyeong-suk Woo Ji-hyeonYoo Jeong-tae Jung Woong-inYoon Won-cheol Cha Rae-hyungSeo Hyeong-ju Jang Dong-juJang Jeong-woo Son Bo-seungSeo Young-dong Hong Min-giKang Seong-jun Kim Joong-heeReporter Wang Kang Chae-youngPark So-hyeon [Nurse] Kong Hyun-jiCho Se-yeong [Hyeon-sik's Daughter] Lee SukJeo Won-sung [Sex Offender] Shin Mun-sungHwang Suk-min [Inspector] Lee Ji-hoonSu Ri-nam [Computer Repair Shop Owner] Sun Woo-sun[Psychiatrist] Kim Dae-gonCho Woo-tae [Jeong-man's Subordinate] Jeon Su-ji[Situation Room Chief] Choi Jeong-in[Gyu-jin's Mother] Do Eun-biKo Ji-yeong [Water Purifier Coordinator]