as

as Choi U-ri

as Kim Jong-hyun

as Kim Yeon

as King Mokjong

as Jang Kyung Joon

as Kim Yeong Kwang

as Do Hak Young [Cable Man]

as Shim Dae-Sik

as Park Tae-seong

as Hyun-woo

as

as

as Lee Young-gook

as Sung-doo

as Kim Byung Chul

as Park Hyun-soo (27)

as Goo-rim

as Chun Ji Woon

as

as adult Choi Jung Woo

as Kang Byung-jin

as Eun-hyeok

as Gil Choong-shik

as Prince Dowon/Crown Prince Ui-kyung

as Park Mu-yeol

as

as Goo Dae Gu

as Kyeon Ja

as Kang Byung-jin

as

as Baek Jung-goo

as Baek Jung-goo

as Self

as

as Joon-oh

as Yoon Jung-won

as young Gungbok

as

as Cha Songjoo (Young)

as Ji-oh

as

as