Jang Yeong Sil

Song Il-gook

as

Jang Yeong-Sil

Park Sun-young

as

Princess Sohyun

Kim Sang-kyung

as

King Sejong

Kim Yeong-cheol

as

King Taejong

Kim Ki-hyeon

as

King Taejo

Son Byung-ho

as

Ha Yeon

Jung Han-yong

as

Hwang Hee

Jang Kwang

as

Jo Gwang

Seo Hyun-chul

as

Choi Bok

Kim Byeong-gi

as

Maeng Sa-sung