Kim Seung-hoon

as Seo Gyeong-seok

as Ho Jun / Manager [Santa's Visit]

as Doctor

as Noh Hang-gyu

as Professor Lim

as Choi Man-ri

as Lawyer Park

as Hwang Jeok-jun

as Wang Sang-moo

as Team Leader Android

as Public Hearing Moderator

as Mr. Park

as Yoo Min-chul

as Internal Affairs Investigator

as Lee Jae-Hak

as Kim