as Byeong-hak
as Jin-seok's Father / Mr. Park
as Lawyer
as Jang Se-dong
as CEO Jeon
as Sangwon
as Chief Nam Kyeong-dae
as Moonsoo
as CEO Jeong (voice)
as Lee Eui-myeong
as Kwon Yong-hwan
as Wan-ho
as President Yoon
as Kang Ki-chun
as Mr. Jang
as Professor Seong
as Young-soo
as Himself
as Moon Dok-bae / Moon Chae-ku
as Oh Sung-ho
as Bae Tae-gon
as Jung Ji-yong
as Han Yun-sik
as Mr. Moon
as Professor Song
as Joo-dong
as Yun Young-hwan
as R
as Doctor
as Narrator (voice)
as Kim Ki-young
as Self
as Pan-gon
as Vice Principal (Relay)
as Hwan
as Me
as Young-sub
as Kim Kyoo-hwan
as Jeon Sang-ok
as Choo Hyung-Do
as Young-cheol
as Gu Yang-Won
as Narrator
as DJ
as Shin Jae-yeol
as Min Yong-jun
as Yoo Han-il
as Hong Sun-jo
as Ga Seong-ho
as Congressman Cha Jong-hyeon
as Won Chang-ho
as Do Won Bong [Seongju Prison inmate]
as King Daemusin
as Dr. Myung
as Kim Tae-Sang
as Kyung Pil
as Koo Tae-Won
as Hwang In-bum
