character - Choi U-ri

character - Kim Jong-hyun

character - Kim Yeon

character - King Mokjong

character - Jang Kyung Joon

character - Kim Yeong Kwang

character - Sung-doo

character - Do Hak Young [Cable Man]

character - Shim Dae-Sik

character - Park Tae-seong

character - Hyun-woo

character - Lee Young-gook

character - Kim Byung Chul

character - Park Hyun-soo (27)

character - Goo-rim

character - Chun Ji Woon

character - adult Choi Jung Woo

character - Kang Byung-jin

character - Eun-hyeok

character - Gil Choong-shik

character - Prince Dowon/Crown Prince Ui-kyung

character - Park Mu-yeol

character - Goo Dae Gu

character - Kyeon Ja

character - Kang Byung-jin

character - Baek Jung-goo

character - Baek Jung-goo

character - Self

character - Joon-oh

character - Yoon Jung-won

character - young Gungbok

character - Cha Song Ju (Young)

character - Ji-oh