Lee Eol

as Hae-ri's Father

as Seo Joong-ho

as Ha-jeong

as Owner of the tailor shop (1 episode)

as Ko Dae-hwan (8 episodes)

as Yeong-su

as Lee Sam-bo (18 episodes)

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