King Sejong the Great

Kim Sang-kyung

as

King Sejong th...

Kim Yeong-cheol

as

King Taejong

Kim Kap-soo

as

Prime Minister...

Lee Won-jong

as

Yun Hee

Lee Chun-hee

as

Jang Yeong-sil

Seo Jun-young

as

Grand Prince S...

Oh Yeon-seo

as

Eori

Lee Hyun-woo

as

Prince Choong-...

Nam Ji-hyun

as

young Princess...

Lee In

as

Prince Yangnye...

Lee Jung-hyun

as

Lee Seon

Jung Suk-won

Park Sang-min

as

Prince Yang-Ny...

Choi Myung-gil

as

Queen Won-gyeo...

Sun Dong-hyuk

as

Choi Yoon-deok

Chang Gi-young

Lee Yoon-ji

as

Queen so Heon