Kang Suk-won

Detective • 1 episodes

Investigator (Eps 5) • 1 episodes

Jin Myeong-chul's Secretary • 2 episodes

Seung-gil

Gear complainant • 1 episodes

Senior Detective

[Babel Chemicals team leader] • 2 episodes

Male Talk Show Guest • 1 episodes

Choir Member

Teacher Suk-won

Doctor

Seung-won's Co-worker

Head of Department Kang

Care Worker

Taxi Driver • 1 episodes

Do-bin

Reporter 4

Hyung-joon • 1 episodes

Machinery Team Leader

Behavior Examiner

Prisoner 1

Squad Member

Cameraman

Gangneung Police 3

Taekwondo Team Coach

Fellow Detective

Situation room agent

police officer