as Tae-goo's older brother(12 eps)
as Park Dae-geun(1 ep)
as Im Song-jae(12 eps)
as Cheon Yong-man (young)(10 eps)
as Choi Won-jung(2 eps)
as Hong In-ki
as Lee Tae-ju(9 eps)
as Bong Du-hyeon(2 eps)
as Nam Jae-woo(16 eps)
as Kang Do-ha(12 eps)
as Kim Soontae(16 eps)
as Cha Min-ho(1 ep)
as Park Jung-woo(3 eps)
as Ji-Gyeom(2 eps)
as Han Joon-woo(16 eps)
as Woo Suk(1 ep)
as Oh Jung Bong(100 eps)
as Gye Geun-sang(16 eps)
as Kang Ha(16 eps)
as Officer Choi
as Gong Hyuk-Joon(16 eps)
as Hong Dong-min(16 eps)
as Hong Hae-sung(6 eps)
as Oh Sang-sik(16 eps)
as Cha Hyun Jun(36 eps)
as Maeng Sam-Sun(38 eps)
as Lee Ho-Tae(16 eps)
as Bong Doo-hyeon(32 eps)
as Manager Oh [Dong Man's manager](2 eps)
as Lee Dong-Soo(12 eps)
as Bang Woon-ki(16 eps)
as Seong-yeol(18 eps)
as Choi Sung-Bum(16 eps)
as Choi Ji-woong(16 eps)
as Customer at Restaurant(1 ep)
as Self(3 eps)