Bae Seong-il

as Questionable Man 1

as Critic

as Teacher 1

as Interviewer

as Union member

as Detective Interviewing Jae Hoon

as Dong-seok's friend

as High school teacher

as Electrician

as Mr. Baek's ex-employee

as [Detective]

as Park Cheol-min

as [Teacher]

as Park Sang-wook

as [IC Investor]