Kim Se-dong

as Kwon

as Public Official

as Kim Se-dong

as Jung-won's father

as Lee Chang-dae

as Mr. Nam

as Older Alumnus

as Public Defender

as Mr. Kim

as Volunteer

as 감독 역

as Police Sergeant Kim

as Captain Choi

as Prison Guard Seo

as Insurance Company Employee

as Police Chief

as Probation Officer

as Doctor (seg. 4)

as His Excellency Hwang

as CEO

as Byung-kwan

as [Division commander]

as Security guard