as Yang Jong-su
as NIS Team Leader
as Prosecutor Park
as Ki-hong's Friend
as Hyun-seok
as CEO Goo Chang-seo
as Apt Man
as Seok-won
as Hairy
as Triplets
as Mr. Gye
as In-ho
as MC
as Jong-hyun
as In-guk
as Himself
as Chul-bae
as Doctor
as Na Kyung-soo
as Gu Soo-han
as Nam-il
as Su Ri-nam [Computer Repair Shop Owner]
as Lee Ji-hun
as Moon Myeong-jun
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
