임수정
Yoon-jung / So-eun
조정석
Ji-hwan
이진욱
Detective Gun-woo
정진영
Detective Kang
이기우
Detective Lee
온주완
Teacher Park
이태리
Kang Seung-bum
Chun Sin-hwan
Biology Teacher
김보라
Choi Hyeon-ju
Shin Ji-soo
Nice Schoolgirl
정웅인
Kang Hyeong-chul
임예진
Vice Principal
박준규
Real Estate Man
Kang Bo-min
Hostage Woman
윤병희
Player
Han Hee-jung
Present Pickpocket Woman
Kim Won-jin
Detective Yeo-ju