Lee Je-yeon

as Suspended Special Forces Soldier

as Public Security Elite Agent (Sewage Culvert)

as Ki Joon-Soo

as Jin Ki-cheol

as Bum-suk

as Shin Seung Joo (young)

as Choi Yun-geun

as Jong-goo

as 이제연

as [Music teacher]

as Young Cheol

as Kim Jin-ho

as Park Hyuk Jun

as Kim Sung-kyu

as Jung Soo-bin

as Seo Jae Ha

as Lee Bang Chul

as [Hongjae High School Music teacher]

as Park Sung-jae

as Wild Horse

as Dong-jun

as Cha Ji-man

as Satan