character - Byeong-hak

character - Won Chang Ho

character - Self

character - Yoo Han-il

character - Min Yong-jun

character - Do Won Bong [Seongju Prison inmate]

character - Self

character - Self

character - Self

character - Dr. Myung

character - Kyung Pil

character - Hwang In-bum

character - Kang Ki-chun

character - Narrator

character - Hong Sun-jo

character - Self

character - Congressman Cha Jong-hyeon

character - Kim Tae-Sang

character - Lawyer

character - Jang Se-dong

character - Father

character - Koo Tae-Won

character - Self

character - Yun Young-hwan

character - Sang-won

character - Jung Ji-yong

character - Lee Eui-myeong

character - Himself

character - Wan-ho

character - Chief Nam Kyeong-dae

character - CEO Jeon

character - President Yoon

character - Moon-soo

character - Shin Jae-yeol

character - Professor Song

character - Mr. Moon

character - Doctor

character - Jeon Sang-ok

character - Vice Principal (Relay)

character - Pan-gon

character - King Daemusin

character - Gu Yang-Won

character - Hwan

character - CEO Jeong (voice)

character - Kwon Yong-hwan

character - Oh Sung-ho

character - Han Yun-sik

character - Himself

character - Young-soo

character - Choo Hyung-Do

character - Bae Tae-gon

character - Mr. Jang

character - Young-soo

character - Kim Kyoo-hwan

character - Me

character - Joo-dong

character - Moon Dok-bae / Moon Chae-ku

character - Young-sub

character - Narrator (voice)

character - Self

character - R

character - Young-cheol

character - Kim Ki-young

character - DJ