Oh Sung-Eun

Song Eun-Chae

Kang Bong-Goo

Lee Ji-hoon

Bang Soo-Yeon

Jeon Hye-bin

Kim Mi-sook

Park Seul-gi

Baek Se-Mi

Shin Joo-ah

Biology teacher

Kim Ji-young

Kim Mi-Sook

Park Seul-ki

Ji Suk-Goo

Jeon Jae-hyeong

bride (Sung-Eun's older sister)

Park Ye-jin

Sung Eun's mother

Kim Hae-sook

AIDS/Chan Sung-Bok

Park Kil-soo

AIDS / Chan Sung-bok

Park Gil-su

Classmate

Lee Min-jung

Sung-eun's father

Jeong Dong-hwan

Da-eun

Go Ho-kyung

Class monitor

Jeong Yu-mi

Head teacher

Kim Soo-woong

In-hwa

Ha Ji-eun

Kim

Lee Jae-pil

Classmate

Jo Han-Na