Our School's E.T.

Kim Soo-ro

as

Cheon Seong-ge...

Park Bo-young

as

Han Song-i

Lee Chan-ho

as

Ok Gi-ho

Kim Hyeong-beom

as

Cha Seung-ryong

Kim Ki-bang

as

Meok-tong

Park Jin-Taek

as

Jin-gook

Kim Yeong-ok

as

Seong-geun's M...

Ha Jung-woo

as

Doctor

Jang Hee-Su

as

Gi-ho's Mother

Lee Yong-i

as

Eun-sil's Moth...

Lee Hyung-Kwon

as

Vice-principal

Gong Ho-seok

as

Teacher Choi

Lee Han-wi

as

Principal

Kim Sung-ryung

as

President Lee

Moon Chae-won

as

Lee Eun-sil

Lee Min-ho

as

Oh Sang-hoon

Baek Sung-hyun

as

Baek Jung-goo

Lee Eon-jeong

as

Chemistry Teac...

Kim Byeong-ok

as

Publishing Com...

Kim Won-jin

as

Referee

Ji Hye-in

as

Ji Yeon

Son Min-ji

as

Interview Stud...