as Min-gu
as Self(1 ep)
as Kim Seung-ju
as Master(20 eps)
as Park Cheol-yeong(20 eps)
as Sang-yong
as Kim Doo-hyun(20 eps)
as Jang Myung-hoon(16 eps)
as Han Jong-sik
as Park Chul-young
as Park Cheol-young(20 eps)
as Kang Seok-dae
as Park Cheol-yeong
as Park Cheol-yeong(20 eps)
as Self(1 ep)
as Self(89 eps)
as Baek Soo-chan(20 eps)
as Lee Jin II / Kang Su Hyung
as Young-Woon
as Kim Joongrae
as Park Gang-ho(8 eps)
as Kang Min-gil
as Choi Young-Do(17 eps)
as Mole 1
as Seon-guk
as Seung-wan
as Self(2 eps)
as Heo Bong-gu
as Seok
as Han Tae-jun(20 eps)
as Guho
as Kwan Hyuk-su
as Han Jung-ho(22 eps)
as Ji-hun
as Boss Wang
as 서준석(24 eps)
as Yoon Ji-suk
as Han Soo(1 ep)
as Twin Blade
as Twin Blade