청춘

김래원

Kim Ja-hyo

김정현

Yi Sue-in

진희경

Yoon Jung-hye

배두나

Seo Nam-ok

윤지혜

Ha-ra

김주령

김재영

Seo Wan-jae

Ham Sin-yeong

Ha Jeong-tae

Park Chan-im

Oh Dal-soon

이용녀

Hara Mo Station

Jo Han-hui

Suin Mo Station

고두심

Namok Mo

이윤건

homeroom teacher

Lee Chun-woo

Drunkard

함순호

Professor

Yu Jeong-min

Sue-in's older sister