울학교 이티

Kim Soo-ro

Cheon Seong-geun

Park Bo-young

Han Song-i

이찬호

Ok Gi-ho

김형범

Cha Seung-ryong

Kim Ki-bang

Meok-tong

박진택

Jin-gook

Kim Yeong-ok

Seong-geun's Mother

Ha Jung-woo

Doctor

Jang Hee-Su

Gi-ho's Mother

Lee Yong-yi

Eun-sil's Mother

Lee Hyung-Kwon

Vice-principal

공호석

Teacher Choi