Hwang Kyeong-cheol
Seong-Ki
Jang Sam-bong
Cha Ho-yeol
Oh Dae-yong
Go Eun Pyo
Yoo-jin's stepfather
Baek Cham
Jang Joong-kyu
Joo Dong-il
Jo Pan-shik
Seo Hyun-sik
Deputy Department Head Seo
Seo Dong-jae
Jeong Hong-sik
Byung-soo
Yang Myung-chul
Choi Bok
Hyun-Joo's father
Seo Hyeon-cheol
Soo Jin's father
In Gook
Technical Director
Lee Sang-Hoon
Hong Jin-Hong
Chief Detective
Self
Pilot Baek
Client
Lim Seung-man
Chief Detective Ko
Dong-woo
Choi Kyung-rok
Self