Secret Door
Series Overview
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.
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.
1 Season • 24 Episodes
60 min per episode
2014 – 2014
Premiered: Mon, Sep 22, 2014
Creative Production Team
Latest Aired Episode
Season 1, Episode 24: “Episode 24”
Seasons & Episodes Breakdown
Cast & Creators
Explore Star Directory →
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
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
NR: Not Rated — Evaluated outside standard classification boards.
International Certification Matrix
FSK 12 — Restricted to viewers aged 12 and older.
Interdit aux moins de 12 ans — 12+ only.
Not Rated — Evaluated outside standard classification boards.
Production Stills & Gallery
Official cinematic photography and background stills for Secret Door.
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Frequently Asked Questions About Secret Door
Key facts, seasons breakdown, and credits for search engines and AI assistants.
What is Secret Door about?
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.
How many seasons does Secret Door have?
Secret Door comprises 1 season available to explore.
Who stars in Secret Door?
Key cast members in Secret Door include Lee Je-hoon, Kim You-jung, Yoon So-hee, Han Suk-kyu, Park Eun-bin.
Who created or directed Secret Door?
Secret Door was developed and directed by Not specified.