Yoon Dae-yeul

as Coach (1 episode)

as Jeong Jun-su (1 episode)

as Hit Entertainment Producer

as Ma Chang-gi

as Warrant Officer Yang

as Nolgae (1 episode)

as Representative Sung

as [Beaten gang member] (1 episode)

as Woo-Bum (16 episodes)

as Broker (1 episode)

as Choi Woo-jin (16 episodes)

as Section Chief Ha

as Guard Soldier 1

as Gil-su

as Japanese Pimp

as Lee Byung-cheon

as Bong-woo

as Drug