Kim Jae-uck

as Jeon Jae-yeol

as Grand Prince Hanpyeong

as Ko Joon

as Jeong Gyu-Cheol, Jung Gyu-chul

as Noh Go-jin

as Ryan Gold / Heo Yoon-jae

as Choi Yoon / Matthew

as Park Jung-Woo

as Kim Soo-ok

as Byun Jung-in

as Hong Tae-sung

as Noh Sun-gi