as Hwang Chi-su(1 ep)
as Park Sang-hyeon
as Baek Cheol-hee(6 eps)
as Frank(21 eps)
as Self
as Ae-ggoo
as Gangster Boss
as Self(1 ep)
as Nam Chul-woo
as Ji-noo
as Police Constable Kang Chul-hwa
as Dong Myung-soo
as Suk-go
as Yoon Seok-woo
as Yoon Seok-woo
as Ahn Jin-oh
as Bae Byeong-woo
as Sang-doo
as Joo Yang
as Lee Mong-ryong
as Lee Sung-ho
as Man (ep.3)
as Border Lynx
as Bum(1 ep)
as Lloyd Park
as Jang-Geun
as Aachi (voice)
as Joon-ho
as Oh Sang-do
as Ku Dong-geon
as Yoo Sang-hwan
as Sang-hwan
as Kim Min-ho(16 eps)
as Park Jung-pil
as Min Young-Woo(20 eps)
as Person with Cerebral Palsy
as Chae Min-su
as Jang Cheol-jin(50 eps)
as Gi-tae
as Biker
as Washington
as Sang-whan