Full Cast

    Let Me Be Your Knight (2021)

    Cast Members (15)

    JI

    Jung In-sun

    as In Yoon-joo / Kang Sun-Ju

    12 episodes

    LJ

    Lee Jun-young

    as Yoon Tae-in

    12 episodes

    JD

    Jang Dong-ju

    as Seo Woo-yeon

    12 episodes

    J

    JR

    as Lee Shin

    12 episodes

    YJ

    Yoon Ji-sung

    as Kim Yoo-chan

    12 episodes

    KD

    Kim Dong-hyun

    as Ga-on

    12 episodes

    SH

    Seo Hye-won

    as Jung Ba-Reun

    12 episodes

    HY

    Ha Yeong

    as Chae Ji-Yeon

    12 episodes

    GJ

    Gwag Ja-hyeong

    as CEO Moon

    12 episodes

    LS

    Lee Se-chang

    as CEO Jang

    12 episodes

    PJ

    Park Ji-won

    as Hyo-bin

    12 episodes

    SY

    Seo Yi-soo

    as In Yoon Jo | In Sun Joo [Child] (Ep. 1, 9, 11)

    12 episodes

    JE

    Jo Eun-seo

    as [Teen who Catches a Falling Woo Ga-on]

    12 episodes

    KJ

    Kang Ji-young

    as Nina

    1 episode

    KT

    Kim Tae-woo

    as Bully

    1 episode