Lee Yul-eum

as Oh Ha-na

as Lim Le-na

as Yang / 4F

as Park Shi-young

as Soo Jin [The Woman in Red]

as Yoon Seol-a

as Self

as Self

as Kang Mal-son

as Jo Young Ji

as Han Jin-mi

as Han Ji-Soo

as Oh Soo-Yeon (young)

as Ga-young

as Oh Se-mi

as Woo Yoo-mi

as Jung Yoo-ah

as Jo Eun-seo

as Jo Eun-Seo

as Jeong Se-jin