Lee Mi-yeon

Heo Eun-young

Kim Gyu-ri

Lim Ji-oh

Choi Kang-hee

Yoon Jae-yi

Park Jin-hee

Park So-young

Yoon Ji-hye

Kim Jung-sook

Kim Min-joung

Chatter

Lee Yong-nyeo

Park Gi-suk

Kim Yu-seok

Art Teacher

Yoo Yeon-soo

P.E. Teacher

Kim Roi-ha

Math Teacher

Shin Yi

Bully

Kim Yoon-Jung

Crying Girl

Choi Seon-mi

Weekly Duty

Park Yong-su

Oh Kwang-gu

Jeon Ik-ryoung

Classmate

Park Ki-hyung

Director

Park Ki-hyung

Writer

Jung-Ok In

Writer

Hahm Sung-won

Editor

Lee Choon-yun

Producer

Oh Ki-min

Producer

Seo Jung-Min

Cinematography

Kang Dae-sung

Sound

Moon Seung-hyun

Music

Park Jung-ho

Music

Lee Jin-hee

Costume Design

Chung Do-ahn

Special Effects