as Ko Eun-gyeong
as Yu-ri
as Detective Oh
as Ji-hye
as Director
as Tae-kyung
as Yoon-sung
as Sora Asami / Umi Asami
as Eun-hye
as Teacher
as Ms. Jeong (segment "A New Mind")
as Eun-kyoung
as Mi-ran
as 산수
as Hae-oak
as San Soo
as Choi Seon
as Young-jin
as Kyeong-joo
as Science Teacher
as Min-ju
as Na-un
as So-jin
as Ji-won
as 오은혜
as Kindergarten Teacher
as [Jo Yi Seo's teacher]
as Nam Ga-yeon (Eps 6, 7)
