King Se-jong
Kang Chae-yoon / Ddol-bok
So-yi / Dam
Moo-hyul
Jeong Gi-joon
Yi Bang-won
Jung In-ji
Pak Paengnyeon
Mok-ya
Kim Jongseo
Cho Tak
Yoon Pyeong
Jeong Gi-joon / Ga Ri-on (young)
Lee Shin-juk
Han Myung-hoi / Han Ga-nom
Cho Mal-sang
So-Yi (child)
Ddol-bok (teen)
Ok Ddeol-i
Sim Jong-soo
Lee Bang-ji
Jang Seong-soo
Yeon-doo
Jeong Byul-gam
Ki Je-yeon
Jeong Do-kwang
Grand Prince Gwangpyeong
Seong Sam-mun
Kang Chae-yoon and Dam's eldest son
Do Dam-daek
Geun-Ji
Gakseoli Boss
King Se-Jong [Young]