© 2026 The Couch Critic
Status
Released
Release
2019
Runtime
2h 12m
Streaming availability by country
"Together to achieve."
A true historical drama about King Sejong, the greatest ruler in Joseon history who sought to enhance national prosperity and military power through astronomy, and Jang Yeong-sil, the most remarkable scientist.
24 Cast Members
Choi Min-sik
Jang Yeong-sil
Han Suk-kyu
King Sejong
Shin Gu
Minister
Huh Joon-ho
Jo Mal-saeng
Kim Tae-woo
Jeong Nam-son
Kim Won-hae
Jo Sun-saeng
Im Won-hee
Im Hyo-don
Park Sung-hoon
Crown Prince Yi Hyang
Jeon Yeo-been
Sa-im
Yoon Je-moon
Choi Hyo-nam
Min Kyung-jin
Shin-gae
Lee Dong-yong
Yun Jung-bu
Kim Seung-hoon
Choi Man-ri
Kim Seung-tae
Choi Cheon-gu
Choi Jae-sup
Yun Sa-wung
Lee Seo-hwan
Eunuch Jeong
Ryu Ji-hoon
Jo Seo-gang
Bae Je-gi
King's Soldier
Hyun Bong-sik
Baek-ho
Kim Sung-kang
Oh Yang
