character - Song Young-sik

character - Detective Chief

character - Choi Yong-nam

character - Yoon Hak-young

character - [Institution director]

character - Park Jong Su

character - Jeong Kyung-han

character - Kwak Moon Heum

character - Gui-nam

character - Ma Seok-koo

character - Oh Sang-hoon

character - Detective Squad Chief Choi

character - Jang Cheol-Min

character - Police University Professor

character - Ma Do-Nam

character - CEO Min Sang-ho

character - Min Yi-Bok

character - Jang Sung-Soo

character - Byeon Sa Tto

character - Hwang Yong-Woo

character - Kwi Kyung Kong

character - Nam Jong-Gyu

character - CEO Han Gwang-Chul

character - Big sister Wang

character - Tak Young-Jin

character - Lee Tae-yong

character - Nurhaci

character - Director of Planning

character - Choi Il-Joong

character - Nam Sang-Koo

character - Jo Hyeong-Chul

character - Pil-Mok

character - Kim Ui-su

character - Heo Yeongmin