Song Young-gyu

as Detective Squad Chief Choi

as Big sister Wang

as Gui-nam

as Jeong Kyung-han

as Detective Chief

as Choi Yong-nam

as Kim Ui-su

as CEO Han Gwang-Chul

as Yoon Hak-young

as Kim Min-jung

as Ma Do-Nam

as Lee Tae-yong

as Yoon Se-hoon

as Kwi Kyung Kong

as Park Jong Su

as Song Young-sik

as Pil-Mok

as Jang Cheol-Min

as Police University Professor

as Nam Jong-Gyu