Jin-seok
Yoo-seok / Choi Seong-uk
Jin-seok's Father / Mr. Park
Jin-seok's Father / Madam Min
Professor Choi
Professor Choi's Wife
High School Yoo-seok
Girl
Young Yoo-seok
Questionable Man 1
Questionable Man 2
Questionable Man 3
Jin-seok's Real Father / Precinct Policeman 4
Jin-seok's Real Mother
Jin-seok's Real Brother
Mover
Arrest detective 1
Precinct Policeman 1
Precinct Policeman 2
Precinct Policeman 3
Precinct Policeman 5
Precinct Conscripted Policeman
President Song
Employment Agency Director
First Aid
Emergency Room Nurse 1
Emergency Room Nurse 2
Hallway Nurse
Hospital Room Nurse
Arresting Detective 1
Arresting Detective 2
Police Precinct Student 1
Police Precinct Student 2
Police Precinct Student 3
Drunkard
Loan Shark 1
Loan Shark 2
Loan Shark 3
Questioning Detective
Hardware Store Owner
Real Estate Agent
Real Estate Agent
Neighborhood Auntie
Man in His 60s
Criminal Investigator 1
Criminal Investigator 2
Psychiatrist
Briefing Detective
Driver in Accident
The Real Jin-seok Bu/Police Station Officer 4