Ryoo Seung-bum

as Hwang Chi-su (1 episode)

as Park Sang-hyeon

as Baek Cheol-hee (6 episodes)

as Frank (21 episodes)

as Self (cameo)

as Ae-ggoo

as Gangster Boss

as Self (1 episode)

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 Border Lynx

as Bum (1 episode)

as Lloyd Park