Son Hyun-joo

Choi Chang-sik

Bae Jin-woong

Past Gambler

Woo Jung-kook

Kim Jin-gyu's Father

Lee Joon-hyuk

Lee Myung-chun

Jeong Joon-won

Myung-ho

Lee Sang-won

Detective Lee

Daniel Choi

Kim Jin-gyu

Park Seo-jun

Cha Dong-jae

Ma Dong-seok

Detective Oh

Jung Da-won

Policewoman (uncredited)