Full Cast

    Brain, Your Choice of Romance (2017)

    Cast Members (7)

    GM

    Gong Myeong

    as "L" [Resonance]

    10 episodes

    KJ

    Kim Jae-young

    as "R" [Emotions]

    10 episodes

    HK

    Hong Kyung

    as Tae U [Mio's boyfriend]

    10 episodes

    KSH

    Kim Sung Hyun

    as Ha Roo

    10 episodes

    AS

    Ahn Sol-bin

    as "R"

    10 episodes

    KS

    Kim Si-eun

    as "L"

    10 episodes

    MJ

    Moon Joo-yeon

    as Mi Yeon

    10 episodes