Jung Young-ki

as Wi Jeong-hwan (12 episodes)

as Ha Du-sik (3 episodes)

as Manager Oh (2 episodes)

as Homeless 2

as Kim Gwang-ok (16 episodes)

as Jeon Byeon-jin (1 episode)

as Im Pil-seong (16 episodes)

as Manager Park Joon-min (2 episodes)

as Attorney Choi

as Taxi Driver (1 episode)

as Su-hyuck

as Jo Jin-Seok (12 episodes)

as Mr Choi (2 episodes)

as Baek Dong-hyun (16 episodes)

as Young Detective 1

as Dong-hwa

as Park Gyeong-sik (16 episodes)

as Hwang Seung-yeol

as Captain Min (voice)

as Woo-jin 72

as Young Doctor

as Korean Mine Worker