Series Cast 25

1. 

   IU

   Go Ha-jin / Hae-soo (20 Episodes)

2. 

   Lee Joon-gi

   4th Imperial Prince Wang So (20 Episodes)

3. 

   Kang Ha-neul

   8th Imperial Prince Wang Wook (20 Episodes)

4. 

   Hong Jong-hyun

   3rd Imperial Prince Wang Yo (20 Episodes)

5. 

   Baekhyun

   10th Imperial Prince Wang Eun (20 Episodes)

6. 

   Nam Joo-hyuk

   13th Imperial Prince Wang Yoo (20 Episodes)

7. 

   Kim Ji-soo

   14th Imperial Prince Wang Jung (20 Episodes)

8. 

   Yoon Sun-woo

   9th Imperial Prince Wang Won (20 Episodes)

9. 

   Kim San-ho

   Eldest Prince Wang Mu (20 Episodes)

10. 

    Seohyun

    Woo-hee (20 Episodes)

11. 

    Kang Han-na

    Hwangbo Yeon-hwa (20 Episodes)

12. 

    Jin Ki-joo

    Chae-ryung (20 Episodes)

13. 

    Z.Hera

    Park Soon-duk (20 Episodes)

14. 

    Sung Dong-il

    Park Soo-kyung (20 Episodes)

15. 

    Kim Sung-kyun

    Choi Ji-mong (20 Episodes)

16. 

    Jo Min-ki

    King Tae-jo (20 Episodes)

17. 

    Kim Kang-il

    Kang of Shincheon (20 Episodes)

18. 

    Park Ji-young

    Queen Yoo (20 Episodes)

19. 

    Park Jeong-hak

    Wang Shik-ryum (20 Episodes)

20. 

    Woo Hee-jin

    Court Lady Oh (20 Episodes)

21. 

    Park Si-eun

    Lady Hae (20 Episodes)

22. 

    Jung Kyung-soon

    Queen Hwangbo (20 Episodes)

23. 

    Choi Byung-mo

    Park Young-gyoo (20 Episodes)

24. 

    Lee Ho-jung

    Ae-ra (20 Episodes)

25. 

    Byeon Woo-seok

    Go Ha-Jin's boyfriend (1 Episode)

Series Crew 9