Jeong Soo-kyo

as Detective

as Interviewer

as Self (1 episode)

as Jung Dae-seung (12 episodes)

as Hae-cheol

as Delusional Man

as Nam Hyeon-soo

as Closet

as Intelligent Crime Investigation Unit Team Member

as Soldier

as Pub Friend

as Young Detective

as Hae-young

as Prisoner