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