하정우

Goo Joo-wol / Detective Ma Dong-wook

공효진

Lee Hee-jin / Kim Hae-young

유인나

Soo-jung / Kyung-sook

تشو هي-بونغ

Publisher Kwak / Detective Squad Chief Kwak

이병준

M

지진희

Goo Joo-ro

곽도원

Director Hwang

서현우

Yi-gyu

손병욱

Juwol's Homeroom Teacher

전수지

Art Teacher