Seo Hyun-chul

as So Gyeong-dong

as Self

as Department head

as Jang Rye-ji

as Seo Byeong-joo

as Jeong Yong-jik

as Cha Ho-yeol

as Hwang Kyeong-cheol

as Seo Hyeon-cheol

as Seo Hyun-sik

as Dong-woo

as Pilot Baek

as Jo Pan-shik

as Jang Joong-kyu

as Joo Dong-il

as Baek Cham

as Jeong Hong-sik

as Yoo-jin's stepfather

as Self

as Chief Detective

as Hyun-Joo's father

as Oh Dae-yong

as Lim Seung-man

as Jo Hyun Suk

as Lee Sang-Hoon

as Yang Myung-chul

as Soo Jin's father

as Hong Jin-Hong

as Deputy Department Head Seo

as Self

as In Gook

as Choi Bok

as Jang Sam-bong

as Seo Dong-jae

as Ax man / Gi-seong

as Byung-soo

as Go Eun Pyo

as Chief Detective Ko

as Choi Kyung-rok

as Technical Director

as Client

as Seong-Ki