Bae Seong-il

Prison warden

Ha Wi-ji

[Teacher]

Park Sang-wook

Union member

Interviewer

Patient

Critic

Teacher 1

Young Seok

Park Cheol-min

High school teacher

Dong-seok's friend

Mr. Baek's ex-employee

Detective

Police chief

Customer

Detective Interviewing Jae Hoon

Detective

Warehouse worker

Gang Han Guard manager

Electrician

[IC Investor]

Waiter

Questionable Man 1