Chun Sin-hwan

as Guidance

as Kim Chi-yong

as Ji-wan

as Motel Man

as Jin-su

as Ha Jung-il

as Doctor

as Biology Teacher

as Jang Se-min

as Taeho

as Shin Sook-ju

as Sales Division 2 Employee

as Jun-young

as Brother

as Chief Secretary (uncredited)

as Lee Jin-suh

as Photo studio owner

as Café owner

as Moon-su