Lee Yea-chun

as Lee Shi-mak

as Mr. Oh

as Oh Jang-gyeong

as Sir Bi Zhong

as Jang Ji-hang

as Gwon Dari

as Byeon Hak-do

as Park Chul

as Im Sa-hong

as Im Sa-hong

as Heo Seo-bang

as Private Morrie

as Prince Dong-pyeong

as Father

as Chief of investigation

as Kim In-dal (Chang-soo's friend)

as Kim Man-geun

as Byun Hakdo

as Agari, the Boss