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