Zo In-sung
Kim Byung-doo
Cheon Ho-jin
President Hwang
Namkoong Min
Nam Min-ho
Lee Bo-young
Hyun-joo
Jin Goo
Jong-soo
Yoon Je-moon
Sang-cheol
Sunwoo Eun-Sook
Byung-doo's Mother
Lee Jong-hyuk
Gangster
Cho Jin-woong
Young-pil
Huh Yi-jae
Kim Seon-ok
Lee Shin-seong
Byeong-sik
Kwon Tae-won
Prosecutor Park
Kim Byung-choon
Detective Woo
Park Hyo-joon
Hippo
Park Min-gyu
Hong-man
Park Hyeok-min
Moon-sik
Kim Su-nam
Chun-ho
Choi Jae-hwan
Myeong-gu
Kim Young-pil
Deputy Lee
Lee Yang-hee
Detective Na
Seo Chong-ju
Detective
Lee Hyun-woo
Young Min-ho
Park Jin-sung
Film Company President
Jeon Kyeong-soo
Venom Snake Room Salon Underling
Lee Jung-eun
Female Bookstore Staff 2 (uncredited)
Kim Won-jin
Three-way Arcade Room Gundal 3 (uncredited)