as Yoon Ji-won

as Seo Hae-ri

as Self

as Soo-jin

as Self

as Self

as Self

as Self

as Self

as Ahn Eun-young

as Self

as Self

as Kim Ji-young

as Self

as Young Joon's friend

as Han Jung-o

as Director Hong

as Dal-rae

as Yu-jin

as Self

as Sung-gyeong

as Yeon-seo

as Han Yeo-reum

as Il-ho (voice)

as Soo-ji

as Sun-hi

as Jung Joo-Ri

as Won-joo

as Self

as No Hyang-Ki

as Mi-hye

as Seo Yoo-jin

as Joo Yeol-mae

as Eun-hee

as Oki

as Gye Choon-bin

as Han Se-jin

as Gye Choon Bin

as Gye Chun Bin

as

as Sun-wha

as Kim Ji-eun

as Mi-sook

as Byun Soo-ryun

as Health Teacher (Relay)

as Yoo-shin

as Self

as Jae-yeong

as

as Yeon-ju

as Han Eun-soo

as Yoo Ha-eun

as Chae-hyeon

as Young In-young

as Mi-ae

as Sun-a

as Bus passenger