Kim Ji-young

as Seo Mi-ri

as Jung Jeong-mi

as Bok-hee

as Hong Eun-ah

as Ha Sun-jung

as Young-hee

as Kim Tae-eun

as Kyung-ah

as Director of the Stray Dog Center

as Kwon Kyeong-sook

as Hong Bok-hee

as Han Suk-hee

as self

as Namsan

as Ji Myeong-Sook

as Kim Yeong-eun

as Hwang Mi-Soon

as Jung-hyun

as Chief Go's Wife

as Self

as Dr. Cha

as Lee Eun-hee

as Jo Gyeong Soon

as Yoo Ha-eun

as Psychiatrist

as Self

as Lee Soo-won

as Ji-won (segment "Star Shaped Stain")

as Lee Bong-hee

as 엄마

as Soo-jin's Mother

as Writer Song

as Yoo-mi

as Self

as Jeong-Suk

as Yoon Yeong-Hee

as 尹英姬

as Song Jeong-ran

as Kim Ji-young

as Choi Eun-hae

as Biology teacher

as Kim Ji-young

as Cho-won's homeroom teacher

as Park Hyang-sook

as Nam-gyeong

as Yoon Se-ra

as Ji-won