as Hacker
as Student
as Petty officer Choi
as Kim Hee-taek
as King Gojong
as Jo Gyeong-su
as Lee Yeong-joon
as Hyun-tae
as Seokpum (young)
as Prince Gwanghae (young)
as King Uija (teen)
as Lee Jung-geun (teenage)
as Chun-doong (young)
as Kim Min-ho
as Cha Min-woo
as Oh Joon-young (young)
as Na Soon-nam
as Soo-mak
as Ha Dae-chul (young)
as Heo Chan-shik
as 姜东秀
as Jang Dong-soo (young)
as Yushin (young)
as Im Sung-chan
as Tae-won's older brother
