Han Sa-myeong

as Seung Gyu (2 episodes)

as [Internal affairs investigator] (1 episode)

as [Police officer] (1 episode)

as [Luna Bar manager] (1 episode)

as [Private investigator] (2 episodes)

as [Police officer] (1 episode)

as Taxi Driver

as Kim Sang-bong (2 episodes)

as Vice company commander (2 episodes)

as Manager Kim

as [Motel Thug] (1 episode)

as Cheol Min [Gyu Tae's Manager] (2 episodes)

as Prisoner 1708 (1 episode)

as Team A agent Cha (12 episodes)

as Choi Jin-pyo (1 episode)

as Yeong Hun (5 episodes)

as [Junkyard guy] (1 episode)

as Seong U Je (1 episode)

as Woo-Sung (16 episodes)

as Juk Chang Fan (1 episode)

as [Drunk coach] (1 episode)

as Won-seok (1 episode)

as Yeong-ho

as Park Jung-min

as [Police officer] (3 episodes)