Goo Joo-wol / Detective Ma Dong-wook
Ha Jung-woo
Lee Hee-jin / Kim Hae-young
Gong Hyo-jin
Baek Sun-il
Choi Won-tae
Joo-hee
Kim Jae-hwa
Baek Sun-young
Park Jun-myun
Lee Jun-hyeok
Secretary
Teo Yoo
Detective
Kim Ji-hoon
Young-shik / President Jo
Park Young-soo
Soo-jung / Kyung-sook
Yoo In-na
Publisher Kwak / Detective squad chief Kwak
Jo Hee-bong
M
Lee Byung-joon
Goo Joo-ro
Ji Jin-hee
Director Hwang
Kwak Do-won
Ui-Gyu
Seo Hyun-woo
Juwol's Homeroom Teacher
Son Byeong-uk
art teacher
Jeon Su-ji
Set Decoration
Lee Jong-il
Costume Design
Shin Ji-young
Original Music Composer
Kim Dong-gi
Producer
Shin Young-il
홍은화
Bae Jeong-min
Director
Jeon Gye-soo
Screenplay
Production Sound Mixer
Lee Soon-sung
Director of Photography
Kim Young-min
Makeup & Hair
Kim Hyun-jung
Editor
Kim Hyung-ju
Production Supervisor
Lee Jun-kyu
Art Direction
Kim Cho-hea
Lighting Director
Chu In-sik