Series Cast 22

1. 

   Lee Je-hoon

   Crown Prince Sado (24 Episodes)

2. 

   Kim You-jung

   Seo Ji-dam (24 Episodes)

3. 

   Yoon So-hee

   Seo Ji-dam / Park Bingae (24 Episodes)

4. 

   Han Suk-kyu

   King Yeongjo (24 Episodes)

5. 

   Park Eun-bin

   Lady Hyegyeong (24 Episodes)

6. 

   Kim Min-jong

   Na Chul-joo (24 Episodes)

7. 

   Lee Won-jong

   Park Mun-su (24 Episodes)

8. 

   Kwon Hae-hyo

   Seo Kyoon (24 Episodes)

9. 

   Jeon Kuk-hwan

   Lee Jong-sung (24 Episodes)

10. 

    Jang Hyun-sung

    Hong Gye-hui (24 Episodes)

11. 

    Uhm Hyo-seop

    Min Baek-sang (24 Episodes)

12. 

    Kim Ha-kyoon

    Kim Sang-ro (24 Episodes)

13. 

    Choi Won-young

    Chae Je-gong (24 Episodes)

14. 

    Seo Jun-yeong

    Shin Heung-bok (24 Episodes)

15. 

    Ha Seung-lee

    Queen Jeongsun (24 Episodes)

16. 

    Park Hyo-ju

    Woon-shim (24 Episodes)

17. 

    Kim Tae-hun

    Kang Pil-jae (24 Episodes)

18. 

    Jeong Gyu-su

    Yang Soon-Man (24 Episodes)

19. 

    Kwak Hee-Sung

    Kim Moo (24 Episodes)

20. 

    Jo Woo-jin

    Lee Dal-seong (24 Episodes)

21. 

    Kim Woo-seok

    Lee Seon [Young] / Lee San [Young] (24 Episodes)

22. 

    Lee Won-jae

    Kang Seo-won (24 Episodes)

Series Crew 0

There are no crew records added to Secret Door.