as Director

as Owner of Jang Hwang-sa

as Yeon-gil Restaurant Owner

as Manager

as Editor-in-chief

as Middle-aged Man

as CEO of Colatech

as Boo-shi

as Son

as APT Security

as Forehead

as Tinker

as Oh Kyung-min

as Se-jin's Father

as Lawyer Office Manager

as Worker

as San Ji Ki

as Altar Security (uncredited)

as Mr. Choi

as Vice Principal

as Professor

as Witness

as Principal (uncredited)

as Shin-gae

as Mr. Kim

as Officer Min

as Yang Jang-su

as Janitor

as Laundry