as Hae-ri's Father
as Seo Joong-ho
as Ha-jeong
as Owner of the tailor shop(1 ep)
as Ko Dae-hwan(8 eps)
as Yeong-su
as Lee Sam-bo(18 eps)
as Song Tae-soo
as Security guard
as Lieutenant Colonel Bae
as Detective Choi
as Hwang Dae-chul
as Sung-joon
as Oh Jong-hyun
as Yeong-ki
as Park Yun-ho
as Detective Han Jung-woo
as Ho-jin
as Sung-woo
as Military Officer (uncredited)
as Won-il