하정우
Goo Joo-wol / Detective Ma Dong-wook
공효진
Lee Hee-jin / Kim Hae-young
유인나
Soo-jung / Kyung-sook
조희봉
Publisher Kwak / Detective squad chief Kwak
이병준
M
지진희
Goo Joo-ro
곽도원
Director Hwang
서현우
Ui-Gyu
김재화
Joo-hee
박준면
Baek Sun-young
이준혁
유태오
Secretary
김지훈
Detective
박영수
Young-shik / President Jo
Son Byeong-uk
Juwol's Homeroom Teacher
Jeon Su-ji
art teacher
Choi Won-tae
Baek Sun-il
