Cast
IU
Go Hajin / 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 Woohee
Kang Hanna
Princess Hwangbo Yeonhwa / Queen Daemok
Jin Ki-joo
Chaeryeong
Z.Hera
Park Soondeok
Sung Dong-il
General Park Soogyeong
Kim Sung-kyun
Choi Jimong / Homeless Man
Jo Min-ki
King Taejo
Kim Kang-il
Shincheon Kang
Park Ji-young
Queen Yoo / Queen Shinmyeong
Park Jeong-hak
Wang Shikryeom
Woo Hee-jin
Court Lady Oh Sooyeon
Park Si-eun
Lady Hae Myeong
Jung Kyung-soon
Queen Hwangbo / Queen Shinjeong
Choi Byung-mo
Park Younggyu
Lee Ho-jung
Aera
Crew
Tong Hua
Novel
(Writing)
Kim Kyu-tae
Director
(Directing)
Cho Yoon-young
Screenplay
(Writing)
Taeyeon
Theme Song Performance
(Sound)
Chen
Theme Song Performance
(Sound)
Lee Hae-ri
Theme Song Performance
(Sound)
Kang Min-kyung
Theme Song Performance
(Sound)
Baekhyun
Theme Song Performance
(Sound)
Xiumin
Theme Song Performance
(Sound)