True Beauty

Mun Ka-young

Lim Ju-kyung

Ages 24

Cha Eun-woo

Lee Su-ho

Ages 23

Hwang In-yeop

Han Seo-jun

Ages 29-30

Park You-na

Kang Soo-jin

Ages 22-23

Lim Se-mi

Lim Hee-kyung

Ages 33

Park Ho-san

Lim Jae-pil

Ages 48

Jang Hye-jin

Hong Hyun-suk

Ages 45

Oh Eui-sik

Han Joon-woo

Ages 37

Kim Min-ki

Lim Ju-young

Ages 18

Kang Min-ah

Choi Soo-a

Ages 23

Lee Woo-je

Kim Cho-rong

Ages 26

Yoon Seo-ah

Young Im Hee-kyung

Ages 20

Jeon Hye-won

Park Sae-mi

Ages 22

Yeo Joo-ha

Han Go-woon

Ages 23

Lee Il-jun

Yoo Tae-hoon

Ages 24

Lee Joo-ahn

Choi Man-shik

Ages 24-25

Lee Sang-jin

Ahn Hyun-gyu

Ages 28-29

Kim Hyun-Ji

Kim Si-hyun

Ages 24-25

Han Yi Young

Ha Ji-young

Ages 22

Jung Jun-ho

Lee Joo-hun

Ages 50

Kim Jung-hak

Mr. Oh

Ages 48

Seo Hye-won

Se-mi's Friend

Ages 27

Kim Ryul-Ha

Kim Ga-young

Oh Yu-jin

Joo Hye-min

Ages 21

Lim Hyun-sung

Comic Store Owner

Ages 41

Ahn So-rim

Lee Ye-rim

Ages 30

Ahn Sang-woo

Disciplinary Teacher

Ages 44

Kim Beong-choun

Vice-principal

Ages 54

Koh Woo-ri

Selena Lee

Ages 32

Park Sung-jin

Yoo Gang-hyeon

Kim So-bin

Classmate

Oh Chae-eun

Woo-hyeon's Girlfriend

Ages 25

Park Hyun Jung

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

Ages 45

Kang Chan-hee

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

Ages 20-21

Shin Jae-whi

Lee Sung Yong [Yongpa High student]

Ages 26

Hwang Jung-ha

Byeon Joon Hyeok [Yongpa High student]

Lee Go-eun

Lim Joo Gyung [Young]

Ages 11

Lee Seung-Woo

Lee Su Ho [Young]

Seo Sang-won

Doctor Kang [Soo Jin's father]

Ages 53

Yoo Dam-Yeon

[Soo Jin's mother]

Kang Cho-won

[Saebom High student bully]

Lee Sun-Young

[Math teacher]

Cha Yeong-ok

[Neighborhood woman]

Song Hoon

[History teacher]

Kim Jae-hwa

[Music teacher]

Ages 40

Joo Se-Bin

Jin Hee Jung [Seobom High freshman student

Ages 23

Lee Eun-joo

[Move Entertainment team leader]

Park Young-soo

[Columbus Park]

Ages 43

Jung Dae-ro

[Hee Kyung's acquaintance]

Ages 29

Yoon Jeong-seop

[Joo Hun's assistant]

Dayoung

Chen [Move Entertainment celebrity]

Ages 21

Lee Byung-Jae

[Seo Jun's band member]

Ko Han-min

[Photographer]

Ages 36-37

Park Seo-kyung

Lim Hee Gyung [Young]

Park Ju-Hwan

Lim Joo Young [Young]

Ok Joo-ri

[Neighborhood woman]

Ages 57-58

Choi E-sun

[Yongpa High student]

Ages 35

Han Myeong-hwan

[Yongpa High student]

Lee Tae-ri

Wang Hyun Bin [Joo Gyung's crush]

Ages 27

Shin Seo-Woo

Ages 7

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]

Kim Hye-yoon

Eun Dan Oh [Movie goer]

Ages 24

Lee Jae-wook

Baek Kyung [Movie goer]

Ages 22

Jung Gun-joo

Ryu Hyung Jin [Baseball player]

Ages 25

Geum Gwang-san

[Sung Yong's father]

Ages 44

Park Ji-ho

[Baseball game spectator]

Lee Si-young

[Swarovski saleswoman]

Woo Hyeon

[Camp ground owner]

Ages 56

Yoo Ok-joo

[Angry customer]

Ages 55-56

Seong Jeong-seon

[Community center grandmother]

Jeong Sae-rom

[Soo Jin's math tutor]

Ages 33-34

Yoon To-Wang

[Gangster]

Lee Jung-yeol

[Bus driver]

Hong Dae-sung

[Move Entertainment employee]

Lee Han-wi

Min Jae Joon [Plastic surgeon]

Ages 59

Kim Ji-su

[Wedding shop staff]

Kim Young-dae

Oh Nam Joo [Man at Namsan Tower]

Ages 24

Kwon Ban-seok

Dr. Han Chae Hoon [Emergency room doctor]

Paul Battle

[Doctor]

Kim Bong-hee

[Community center grandmother]

Ages 68

Jang Ye-Rim

[Female student]

Jo Yoon-soo

[Student]

Ages 22

Choi Da-young

[Reporter]

Ages 28

Cho Seok-In

[Cinema viewer]

Kim Won-shik

Ji Woo Hyeon

Terris Brown

[English teacher]

Ages 30

Kim Si-woo

[Kindergarten boy]

Ages 6

Kang Du-hyun

[Playground bully]