Secret Door
2014 Drama, History, Mystery 1 season
TMDB rating 5.5/10 Ended
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.
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Seasons1
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Cast and details
Lee Je-hoonCrown Prince Sado
Kim You-jungSeo Ji-dam
Yoon So-heeSeo Ji-dam / Park Bingae
Han Suk-kyuKing Yeongjo
Park Eun-binLady Hyegyeong
Kim Min-jongNa Chul-joo
Lee Won-jongPark Mun-su
Kwon Hae-hyoSeo Kyoon
Jeon Kuk-hwanLee Jong-sung
Jang Hyun-sungHong Gye-hui
Uhm Hyo-seopMin Baek-sang
Kim Ha-kyoonKim Sang-ro
- Network
- SBS
- First aired
- Sep 22, 2014
- Latest episode
- Dec 9, 2014
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Release dates are original schedules and may differ from availability in your country. A release never marks anything as watched. Last checked Nov 2, 2026.Schedule data from TVmaze, CC BY-SA.