character - Pro Jin's father

character - Song Jae-sik

character - CEO Hwang

character - Sung Kyu-Jin

character - Gyu-sik

character - Ho Taek

character - Himself

character - Chief Do Won-il

character - Jung Sang-chul

character - Oh Dae-woong

character - Heo Jun

character - Kang Tae-sik

character - Lee Jae-geon

character - Merchant Choi

character - Tes

character - Jo Daejin

character - Himself

character - Park Hyeong-do

character - Self

character - Doo-seok

character - Self

character - Peter [Jung Won's eldest brother]

character - Dong Il / Peter

character - Jin Jong-hyun

character - Mr. Lee

character - Kang-goo

character - Go Dong-gook

character - Hwang Bok-hyun

character - Ko Dong-kook

character - Woo-dae

character - King of Goryeo / Community Service Center Employee

character - Sa Ma-Ryong

character - Noh Tae-su

character - Han Se-sang

character - Sung-soo

character - Self

character - Ki Han-sol

character - Park Pyeong-dal

character - Chief Jo

character - Son Yeong-tae

character - Himself

character - Professor Yang

character - Jo Won-geun

character - Detective Park

character - Wi Hwa Kong

character - Ma Dae-Young / Mr. Yang

character - Himself

character - Detective

character - General Park Soogyeong

character - Kim Pan-soo

character - Professor Park

character - Oh Jung-Hak

character - Self

character - Sung Dong-il

character - Detective Lee Sang-Won

character - Noh Tae-soo

character - Mr. Bang

character - Jo Dong Min

character - Yang Cheol-gon

character - Kwak Man-ho

character - Ban Hyeon-cheol

character - Sung Dong-il

character - Sung Chung-su

character - Jang Hyun

character - Himself

character - Jang Seok-tae

character - Bong-goo

character - Jang Su-gyun

character - Sung Dong-il

character - Hyeo Go-soo

character - Detective Sung

character - Park Chan Ho

character - Park In-mu

character - Jang Ho-won

character - Jo Jung-goo

character - Park Jin-seok

character - Park Kyung-sik

character - Gi-bong

character - 나까무라 황

character - Ban Doo-hong

character - Hyeok-Pil

character - Chun Ji-ho

character - Song Jae-pil

character - Park Joon-han

character - Coach Bang

character - Nightclub owner

character - Lee Seung-jae

character - Jung Seung-gyu

character - Lee Tim Chang

character - President Choi

character - Kang Pil-bo

character - Choi Tae-sik

character - Jung Jang-su

character - Ma-rok