Cast Members (17)
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Seohyun
as Cha Seon-chaek / K
12 episodes
Ok Taec-yeon
as Prince Kyungsung / Lee Beon
12 episodes
Kwon Han-sol
as Cho Eun-ae
12 episodes
Seo Bum-june
as Jeong Su-gyeom
12 episodes
Ji Hye-won
as Do Hwa-seon
12 episodes
Lee Tae-seon
as Prince Seonghyeon
12 episodes
Seo Hyeon-cheol
as Cha Ho-yeol
12 episodes
Yun Yoo-sun
as Yoon Deok-jeong
12 episodes
Lee Sang-un
as Cha Jang-ho
12 episodes
Kim Shin-bi
as Cha Du-ho
12 episodes
Yoon Jung-hoon
as Cha Se-ho
12 episodes
Song Yeong-jae
as
12 episodes
Ju Seok-tae
as King Seoljong
12 episodes
Nam Kee-ae
as
12 episodes
Jung Hee-tae
as Do Bae-myeong
12 episodes
Jung Ho-bin
as Jeong Moon-seok
12 episodes
Kim Young-woong
as Cho Byeong-mu
12 episodes