Full Cast

    The First Night with the Duke (2025)

    Cast Members (17)

    S

    Seohyun

    as Cha Seon-chaek / K

    12 episodes

    OT

    Ok Taec-yeon

    as Prince Kyungsung / Lee Beon

    12 episodes

    KH

    Kwon Han-sol

    as Cho Eun-ae

    12 episodes

    SB

    Seo Bum-june

    as Jeong Su-gyeom

    12 episodes

    JH

    Ji Hye-won

    as Do Hwa-seon

    12 episodes

    LT

    Lee Tae-seon

    as Prince Seonghyeon

    12 episodes

    서

    서현철

    as Cha Ho-yeol

    12 episodes

    YY

    Yun Yoo-sun

    as Yoon Deok-jeong

    12 episodes

    LS

    Lee Sang-un

    as Cha Jang-ho

    12 episodes

    김

    김신비

    as Cha Du-ho

    12 episodes

    YJ

    Yoon Jung-hoon

    as Cha Se-ho

    12 episodes

    SY

    Song Yeong-jae

    as

    12 episodes

    주

    주석태

    as King Seoljong

    12 episodes

    남

    남기애

    as

    12 episodes

    정

    정희태

    as Do Bae-myeong

    12 episodes

    JH

    Jung Ho-bin

    as Jeong Moon-seok

    12 episodes

    김

    김영웅

    as Cho Byeong-mu

    12 episodes