Secret Door
비밀의 문
A re-imagining of the legendary tale of the troubled father-son relationship between King Yeongjo and his only son Prince Sado. While his father insists on a strong and centralized government, Crown Prince Sado promotes social justice and equality throughout the kingdom. Throughout eight fateful years, the strain on their relationship — both familial and political — eventually evolves into a total breakdown, ending with one of the most tragic stories in Joseon history.
- Episodes
- 24
- Status
- Ended
Seasons
Where to Watch
Availability in United States · data by JustWatch
RaY-World links to licensed platforms — it doesn’t host these titles.
Open optionsCast
Lee Je-hoon
Crown Prince Sado
Kim You-jung
Seo Ji-dam
Yoon So-hee
Seo Ji-dam / Park Bingae
Han Suk-kyu
King Yeongjo
Park Eun-bin
Lady Hyegyeong
Kim Min-jong
Na Chul-joo
Lee Won-jong
Park Mun-su
Kwon Hae-hyo
Seo Kyoon
Jeon Kuk-hwan
Lee Jong-sung
Jang Hyun-sung
Hong Gye-hui
Uhm Hyo-seop
Min Baek-sang
Kim Ha-kyoon
Kim Sang-ro
Choi Won-young
Chae Je-gong
Seo Jun-young
Shin Heung-bok
Ha Seung-lee
Queen Jeongsun
Park Hyo-ju
Woon-shim
Kim Tae-hun
Kang Pil-jae
Jeong Gyu-su
Yang Soon-Man
Kwak Hee-sung
Kim Moo
Jo Woo-jin
Lee Dal-seong
