Kim Jae-uck

as Jeon Jae-yeol

as Grand Prince Hanpyeong

as Ko Joon

as Self

as Jung Gyu-chul

as Noh Go-jin

as Self

as [Special appearance]

as Ryan Gold / Heo Yoon-jae

as Choi Yoon / Matthew

as Chan-hae

as Park Jung-Woo

as Su-wan

as Mo Tae-Goo

as Takeyuki So

as In-Sung

as Seok Min

as Jae-wook

as Kang Myung-chan

as Self

as Kim Soo-ok

as Lee Hyung-joon

as Byun Jung-in

as Ju Won

as Hong Tae-sung

as Kim Gyeon

as He

as Min Sun-woo

as Chu Balso

as [Special appearance]

as Noh Sun-gi

as Choon-ha

as Gi Hong