Park Ho-san

as Hwang Cheol-mok

as Nam Tae-ju

as Baek Cheol

as Young Soo

as Jang Min-cheol

as Kwon Jong-su

as Hwang Cheol Min [Dong Ju's father]

as Park Seok

as Uhm Sung-han

as Lim Jae-pil

as Yoo Dong-pil

as Keanu

as Oh Jung-jin

as Kwon Yeong-goo

as Ma Bong-deok

as Jeon Choon-man

as Detective Ko

as Chun Seung-Bum

as Park Sang-hoon

as KAIST

as Choi Dae-Hong

as Ham Tae Sub

as [Detective]