The First Night with the Duke

Seohyun

as

Cha Seon-chaek...

Ok Taec-yeon

as

Prince Kyungsu...

Kwon Han-sol

as

Cho Eun-ae

Seo Bum-june

as

Jeong Su-gyeom

Ji Hye-won

as

Do Hwa-seon

Lee Tae-seon

as

Prince Seonghy...

Seo Hyun-chul

as

Cha Ho-yeol

Yun Yoo-sun

as

Yoon Deok-jeong

Lee Sang-un

as

Cha Jang-ho

Kim Shin-bi

as

Cha Du-ho

Yoon Jung-hoon

as

Cha Se-ho

Song Yeong-jae

Ju Seok-tae

as

King Seoljong

Nam Kee-ae

Jung Hee-tae

as

Do Bae-myeong

Jung Ho-bin

as

Jeong Moon-seok

Kim Young-woong

as

Cho Byeong-mu