as Yang Jong-su
as Prosecutor Park
as NIS Team Leader
as Hyun-seok
as Hairy
as Ki-hong's Friend
as Apt Man
as In-guk
as Triplets
as Seok-won
as Mr. Gye
as Jong-hyun
as MC
as CEO Goo Chang-seo
as In-ho
as Chul-bae
as Gu Soo-han
as Himself
as Nam-il
as Doctor
as Na Kyung-soo
as Moon Myeong-jun
as Lee Ji-hun
as Lee Jeong-geun (Eps 8)
as Seok Jun-im
as Barber
as Taxi Driver
as Ban Young-min
as Gwak Gi-tae
as Jang Yeon-woo
as 현철
