Park Seo-yeon

as Kang Yi-ji

as Seo-woo

as Baek Song-i

as High School Girl

as Choi Kyeong-eun

as Choi Na-ri

as Kim Se-jung

as Kang Ah-reum

as Baek Young Joo

as Chae Yi

as Kim Dan-o

as Seo Dan (young)

as Yoo Ari

as Gong So Hee [Seung Cheol's daughter]

as Sister

as Young Chung-ee

as Jin-hee

as Yeon-i

as Young Shim Mi-jin

as Sun-a