as Detective Squad Chief Choi
as Choi Yong-nam
as Detective Chief
as Jeong Kyung-han
as Gui-nam
as Big sister Wang
as CEO Han Gwang-Chul
as Kim Ui-su
as Yoon Hak-young
as Lee Tae-yong
as Director of Planning
as Ma Do-Nam
as Kwi Kyung Kong
as Police University Professor
as Park Jong Su
as Pil-Mok
as Min Yi-Bok
as Song Young-sik
as Oh Sang-hoon
as Nam Sang-Koo
as Ma Seok-koo
as Jang Cheol-Min
as Nam Jong-Gyu
as Yoon Se-hoon
as Jang Sung-Soo
as Jo Hyeong-Chul
as CEO Min Sang-ho
as Kwak Moon Heum
as Tak Young-Jin
as Nurhaci
as Heo Yeongmin
as Choi Il-Joong
as Byeon Sa Tto
as [Institution director]
as Hwang Yong-Woo
