Cast Members (34)
Han Suk-kyu
as King Se-jong
24 episodes
Jang Hyuk
as Kang Chae-yoon / Ddol-bok
24 episodes
신세경
as So-yi / Dam
24 episodes
조진웅
as Moo-hyul
24 episodes
윤제문
as Jeong Gi-joon
24 episodes
Baek Yoon-sik
as Yi Bang-won
24 episodes
박혁권
as Jung In-ji
24 episodes
Kim Ki-bum
as Pak Paengnyeon
24 episodes
신소율
as Mok-ya
24 episodes
Choi Il-hwa
as Kim Jongseo
24 episodes
김기방
as Cho Tak
24 episodes
이수혁
as Yoon Pyeong
24 episodes
Woo-sik Choi
as Jeong Gi-joon / Ga Ri-on (young)
24 episodes
안석환
as Lee Shin-juk
24 episodes
조희봉
as Han Myung-hoi / Han Ga-nom
24 episodes
이재용
as Cho Mal-sang
24 episodes
김현수
as So-Yi (child)
24 episodes
여진구
as Ddol-bok (teen)
24 episodes
Jung Jong-chul
as Ok Ddeol-i
24 episodes
Han Sang-jin
as Sim Jong-soo
24 episodes
Woo Hyeon
as Lee Bang-ji
24 episodes
류승수
as Jang Seong-soo
24 episodes
정다빈
as Yeon-doo
24 episodes
Kim Jong-Kuk
as Jeong Byul-gam
24 episodes
Kim Eung-soo
as Ki Je-yeon
24 episodes
전노민
as Jeong Do-kwang
24 episodes
Seo Jun-yeong
as Grand Prince Gwangpyeong
24 episodes
Hyun Woo
as Seong Sam-mun
24 episodes
Goo Seung-hyun
as Kang Chae-yoon and Dam's eldest son
24 episodes
송옥숙
as Do Dam-daek
24 episodes
Lee Se-na
as Geun-Ji
24 episodes
Kim Kyung-Jin
as Gakseoli Boss
24 episodes
Song Joong-ki
as King Se-Jong [Young]
24 episodes
Lee Da-wit
as Park Se Myung
1 episode