Park Se-wan

as Seo Min-seo

as Jung Su-a

as Mi-na

as Herself

as Choi I-ra

as Park Ha-kyung (young)

as Young Oh Se-yeon

as Lee Yeon-hee

as Han Gyeo-ul

as Se-wan

as Hye-ri

as Geum Bak-Ha

as Han Seul-Ki

as Eun-hye

as Kim Shi-Eun

as Young Kim Yang-Hee

as Lee Ba-dook

as 이바둑

as Yeon Da-Yeon

as Pi

as Oh Sa-Rang

as Lee Kkot-Bi

as Ghost with glasses

as Sook Hee

as Kim Yang-Hee (young)

as Moon Da-bin