Son Min-seok

as 209

as High Schooler 2's Father

as Megaphone Police Officer

as Manager

as Section Chief Android

as State Security Department Investigator

as Taxi Driver

as Chae Jegong

as Monkey

as Yoon

as Choong-ho

as Other I

as Dal-soo

as Jin-ho

as Han Jung-tae

as Zipper

as Min-soo