Cha In-pyo

as Hwang Gi-pung

Song Yun-ah

as Song Na-young

Hong Kyung-in

as Na Gi-chan

Jang Hyuk

as Le Se-bin

Park Eun-hye

as Yoo Hye-ri

Yang Dong-geun

as Jong Gu

Kim Min-joung

as class president

Kang Rae-yeon

Seo Gap-suk

Seo Tae-hwa