True Beauty

Mun Ka-young

Lim Ju-kyung

Cha Eun-woo

Lee Su-ho

Hwang In-yeop

Han Seo-jun

Park You-na

Kang Soo-jin

Lim Se-mi

Lim Hee-kyung

Park Ho-san

Lim Jae-pil

Jang Hye-jin

Hong Hyun-suk

Oh Eui-sik

Han Joon-woo

Kim Min-ki

Lim Ju-young

Kang Min-ah

Choi Soo-a

Lee Woo-je

Kim Cho-rong

Yoon Seo-ah

Young Im Hee-kyung

Jeon Hye-won

Park Sae-mi

Yeo Joo-ha

Han Go-woon

Lee Il-jun

Yoo Tae-hoon

Lee Joo-Ahn

Choi Man-shik

Lee Sang-jin

Ahn Hyun-gyu

Kim Hyun-Ji

Kim Si-hyun

Han Yi Young

Ha Ji-young

Jung Jun-ho

Lee Joo-hun

Kim Jung-hak

Mr. Oh

Seo Hye-won

Se-mi's Friend

Kim Ryul-Ha

Kim Ga-young

Oh Yu-jin

Joo Hye-min

Lim Hyun-sung

Comic Store Owner

Ahn So-Rim

Lee Ye-rim

Ahn Sang-woo

Disciplinary Teacher

Kim Beong-choun

Vice-principal

Koh Woo-ri

Selena Lee

Park Sung-Jin

Yoo Gang-hyeon

Kim So-bin

Classmate

Oh Chae-eun

Woo-hyeon's Girlfriend

Park Seo-kyung

Lim Hee Gyung [Young]

Park Ju-Hwan

Lim Joo Young [Young]

Ok Joo-ri

[Neighborhood woman]

Choi E-sun

[Yongpa High student]

Han Myeong-hwan

[Yongpa High student]

Lee Tae-ri

Wang Hyun Bin [Joo Gyung's crush]

Hwang Jung-ha

Byeon Joon Hyeok [Yongpa High student]

Kang Chan-hee

Jeong Se Yeon [Su Ho & Seo Jun's friend]

Lee Go-eun

Lim Joo Gyung [Young]

Shin Jae-whi

Lee Sung Yong [Yongpa High student]

Lee Seung-Woo

Lee Su Ho [Young]

Shin Seo-woo

Lee Jae-eun

[Su Ho's housekeeper]

Um Tae-Yoon

[Comic store customer]

Jang Young-hyeon

[Convenience store friend #1]

Moon Hak-jin

[Convenience store friend #2]

Ham Tae-Gyun

[Convenience store friend #3]

Park Hyun Jung

Lee Mi Hyang [Seo Jun’s mother]

Song Hoon

[History teacher]

Kim Hye-yoon

Eun Dan Oh [Movie goer]

Lee Jae-wook

Baek Kyung [Movie goer]

Lee Sun-Young

[Math teacher]

Joo Se-Bin

Jin Hee Jung [Seobom High freshman student bully], Jin Hee Jung [Seobom High freshman student

Kim Jae-hwa

[Music teacher]

Seo Sang-won

Doctor Kang [Soo Jin's father]

Yoo Dam-Yeon

[Soo Jin's mother]

Jung Gun-joo

Ryu Hyung Jin [Baseball player]

Geum Gwang-san

[Sung Yong's father]

Park Ji-ho

[Baseball game spectator]

Lee Si-young

[Swarovski saleswoman]

Woo Hyeon

[Camp ground owner]

Yoo Ok-joo

[Angry customer]

Lee Eun-joo

[Move Entertainment team leader]

Kang Cho-won

[Saebom High student bully]

Park Young-soo

[Columbus Park]

Seong Jeong-seon

[Community center grandmother]

Jeong Sae-rom

[Soo Jin's math tutor]

Yoon To-Wang

[Gangster]

Lee Jung-yeol

[Bus driver]

Hong Dae-sung

[Move Entertainment employee]

Lee Han-wi

Min Jae Joon [Plastic surgeon]

Jung Dae-Ro

[Hee Kyung's acquaintance]

Yoon Jeong-seop

[Joo Hun's assistant]

Kim Ji-su

[Wedding shop staff]

Kim Young-dae

Oh Nam Joo [Man at Namsan Tower]

Kwon Ban-seok

Dr. Han Chae Hoon [Emergency room doctor]

Dayoung

Chen [Move Entertainment celebrity]

Lee Byung-Jae

[Seo Jun's band member]

Paul Battle

[Doctor]

Kim Bong-hee

[Community center grandmother]

Jang Ye-Rim

[Female student]

Jo Yoon-soo

[Student]

Choi Da-young

[Reporter]

Cho Seok-In

[Cinema viewer]

Kim Won-shik

Ji Woo Hyeon

Terris Brown

[English teacher]

Kim Si-woo

[Kindergarten boy]

Kang Du-hyun

[Playground bully]

Ko Han-min

[Photographer]