character - Gear complainant

character - Senior Detective

character - Head of Department Kang

character - Teacher Suk-won

character - Seung-won's Co-worker

character - Male Talk Show Guest

character - [Babel Chemicals team leader]

character - Choir Member

character - Care Worker

character - Do-bin

character - Taxi Driver

character - Reporter 4

character - Machinery Team Leader

character - Hyung Joon [Woo Jin's ex colleague]

character - Prisoner 1

character - Behavior Examiner

character - Cameraman

character - Squad Member

character - Fellow Detective

character - Taekwondo Team Coach

character - Gangneung Police 3

character - police officer

character - Situation room agent