Series Cast 18

1. 

   Kim Ok-vin

   Princess So-hee/Moo-young (20 Episodes)

2. 

   Uhm Tae-woong

   Yeon Choong (20 Episodes)

3. 

   Choi Min-soo

   Yeon Gaesomun (20 Episodes)

4. 

   Kim Yeong-cheol

   King Yeongnyu (20 Episodes)

5. 

   On Ju-wan

   Bojang of Goguryeo (20 Episodes)

6. 

   No Min-woo

   Yeon Namsaeng (20 Episodes)

7. 

   Park Soo-jin

   Mo-seol (20 Episodes)

8. 

   Yoon So-hee

   Nang-ga (20 Episodes)

9. 

   Lee Won-jong

   Jang-po (20 Episodes)

10. 

    Lee Tae-ri

    Crown Prince Hwangwon (20 Episodes)

11. 

    Lee Yi-kyung

    Tae-pyung (20 Episodes)

12. 

    Kim Sang-ho

    So Sa-beon (20 Episodes)

13. 

    Kwak Jung-wook

    Chi-woon (20 Episodes)

14. 

    Yoo Jae-myung

    Kil-Boo (20 Episodes)

15. 

    Jo Jae-yun

    Boo-chi (20 Episodes)

16. 

    Chae Sang-woo

    Yeon Choong (young) (20 Episodes)

17. 

    Lee Jung-shin

    Si Woo (20 Episodes)

18. 

    Jung Ji-so

    Cho-hee (20 Episodes)

Series Crew 4