True Beauty

Lee Woo-je

Kim Cho-rong

Kim Beong-choun

Vice-principal

Ahn Sang-woo

Disciplinary Teacher

Oh Eui-sik

Han Joon-woo

Lim Se-mi

Lim Hee-kyung

Lee Sang-jin

Ahn Hyun-gyu

Hwang In-yeop

Han Seo-jun

Park Ho-san

Lim Jae-pil

Kim Jung-hak

Mr. Oh

Jang Hye-jin

Hong Hyun-suk

Jung Jun-ho

Lee Joo-hun

Jeon Hye-won

Park Sae-mi

Cha Eun-woo

Lee Su-ho

Kang Min-ah

Choi Soo-a

Seo Hye-won

Se-mi's Friend

Lim Hyun-sung

Comic Store Owner

Koh Woo-ri

Selena Lee

Oh Yu-jin

Joo Hye-min

Lee Il-jun

Yoo Tae-hoon

Oh Chae-eun

Woo-hyeon's Girlfriend

Kim Min-ki

Lim Ju-young

Mun Ka-young

Lim Ju-kyung

Park Hyun Jung

Lee Mi-hyang (Seo-jun's Mother)

Park You-na

Kang Soo-jin

Yoon Seo-ah

Young Im Hee-kyung

Yeo Joo-ha

Han Go-woon

Lee Joo-ahn

Choi Man-shik

Kim Hyun-Ji

Kim Si-hyun

Han Yi Young

Ha Ji-young

Kim Ryul-Ha

Kim Ga-young

Ahn So-rim

Lee Ye-rim

Park Sung-jin

Yoo Gang-hyeon

Kim So-bin

Classmate

Kim Sang-hyub

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