Characters played by Kim So-Hyun
Princess Pyeonggang
Yeom Ga Jin
Queen Yeon
Characters played by Na In-Woo
On Dal
Characters played by Hee-jung Kim
Tara Jin
Characters played by Bit-na Wang
Queen Jin
Royal Consort Jin
Characters played by Jeong Wook
Sa Woon Am
Characters played by Ji-Hoon Lee
Go Geon
Characters played by Hwang Young-Hee
Lady Sa
Characters played by Kim Dong-young
Sa Pung Gae
Characters played by Yu-hwa Choi
Hae Mo Yong
Characters played by Kim Jeong-yeong
Lady Gongson
Characters played by Kwang Soo Cha
Jin Pil
Characters played by Pub-lae Kim
King Pyeongwon
Characters played by Lee Hae-Young
Go Won Pyo
Characters played by In-gyeom Jeong
Hae Ji Wol
Characters played by Ahn Shin-Woo
Kim Pyeong Ji
Characters played by Ah-rin Oh
Wol Yi
Characters played by Jae-young Han
Doo Joong Seo
Characters played by Eun-pyo Jeong
Yeom Deuk
Characters played by Woo-Hyuk Son
Head Eunuch
Characters played by Ah Jung Yoon
Hong Mae
Characters played by Joo-man Yoon
Go Sang Cheol
Characters played by Eun Se Ki
Royal Consort Hyeon
Characters played by Ryu Eui-Hyun
Tara San
Characters played by Moon Jin-Seung
Ma Tae Mo
Characters played by Sang-Hoon Park
Crown Prince Won
Characters played by Lee Sang-Chan
Suk Goo
Characters played by Woo Won
Pil Goo
Characters played by Jasper Cho
Wol Gwang
Characters played by Sung Min-Jun
Geon Mu
Characters played by Kim Bum-suk
Kim Cha Seung
Characters played by Ji Soo
On Dal
Characters played by Kang Ha-neul
General On Hyeop
Characters played by Cheol-ho Choi
Yeon Chung Ki
Characters played by Dong-hyun Seo
On Dal (young)
Characters played by Seung-su Kim
King Jinheung
Characters played by Hwa-Woon Kwon
King Yeongyang
Characters played by Heo Jung-eun
Princess Pyeonggang (young)
Characters played by Hyun-Bin Kim
On Dal's friend
Characters played by Choi Kwang-Je
Yang Chaek
Characters played by Ahn Seong-Won
Prince Geon Mu (teen)
Characters played by Park Min-Sang
Go Geon (young)
Characters played by Song Min-Jae
Crown Prince Won (young)
Characters played by Shin Se-Young
General Wibalta
Characters played by Moon So-Hee
Hae Mo Yong (young)