On screen
Cast
28 credited performers
IU
Go Ha-jin / Lady Hae Soo
Lee Joon-gi
Wang So (4th Prince)
Kang Ha-neul
Wang Wook (8th Prince)
Hong Jong-hyun
Wang Yo (3rd Prince)
Baekhyun
Wang Eun (10th Prince)
Nam Joo-hyuk
Wang Baeka (13th Prince)
Kim Ji-soo
Wang Jeong (14th Prince)
Yoon Sun-woo
Wang Won (9th Prince)
Kim San-ho
Wang Mu (Crown Prince / 1st Prince)
Seohyun
Princess Woo-hee
Kang Han-na
Princess Yeon-hwa / Queen Daemok
Jin Ki-joo
Chae-ryung
Z.HERA
Park Soon-deok
Sung Dong-il
Grand General Park Soo-kyung
Kim Sung-kyun
Choi Ji-mong
Jo Min-ki
Wang Geon / King Taejo
Kim Kang-il
Shincheon Kang
Park Ji-young
Queen Yoo
Park Jeong-hak
Wang Sik-ryeom
Woo Hee-jin
Court Lady Oh Soo-yeon
Park Si-eun
Lady Hae Myung-hee
Jung Kyung-soon
Queen Hwangbo
Choi Byung-mo
Park Young-gyu
Lee Ho-jung
Aera
Byeon Woo-seok
Ha-jin's Boyfriend
Jang Hae-min
Soo's friend
Lee Chae-mi
Wang Mu's daughter
Seo Eun-sol
So & Soo's daughter