문가영

Lim Ju-kyung

차은우

Lee Su-ho

황인엽

Han Seo-jun

박유나

Kang Soo-jin

임세미

Lim Hee-kyung

박호산

Lim Jae-pil

Jang Hye-jin

Hong Hyun-suk

Oh Eui Sik

Han Joon-woo

Kim Min-ki

Lim Ju-young

강민아

Choi Soo-a

Lee Woo-je

Kim Cho-rong

Yoon Seo-ah

Young Im Hee-kyung

전혜원

Park Sae-mi

Yeo Joo-ha

Han Go-woon

Lee Il-jun

Yoo Tae-hoon

Lee Joo-Ahn

Choi Man-shik

이상진

Ahn Hyun-gyu

Kim Hyun-Ji

Kim Si-hyun

Han Yi Young

Ha Ji-young

정준호

Lee Joo-hun

김정학

Mr. Oh

서혜원

Se-mi's Friend

Kim Ryul-Ha

Kim Ga-young

오유진

Joo Hye-min

임현성

Comic Store Owner

Ahn So-Rim

Lee Ye-rim

안상우

Disciplinary...

Kim Byung-choon

Vice-principal

고우리

Selena Lee

Park Sung-Jin

Yoo Gang-hyeon

Kim So-bin

Classmate

Oh Chae-eun

Woo-hyeon's ...

강찬희

Jeong Se Yeo...

Shin Jae-hwi

Lee Sung Yon...

Park Hyun Jung

Lee Mi Hyang...

Hwang Jung-ha

Byeon Joon H...

Lee Go-eun

Lim Joo Gyun...

Lee Seung-Woo

Lee Su Ho [Young]

서상원

Doctor Kang ...

Yoo Dam-Yeon

[Soo Jin's mother]

Kang Cho-won

[Saebom High...

Lee Sun-Young

[Math teacher]

Cha Yeong-ok

[Neighborhoo...

Song Hoon

[History teacher]

Joo Se-Bin

Jin Hee Jung...

김재화

[Music teacher]

이은주

[Move Entert...

박영수

[Columbus Park]

Jung Dae-Ro

[Hee Kyung's...

윤정섭

[Joo Hun's a...

Dayoung

Chen [Move E...

Lee Byung-Jae

[Seo Jun's b...

고한민

[Photographer]

박서경

Lim Hee Gyun...

Park Ju-Hwan

Lim Joo Youn...

옥주리

[Neighborhoo...

Choi Yi-sun

[Yongpa High...

Han Myeong-hwan

[Yongpa High...

Lee Tae-ri

Wang Hyun Bi...

Shin Seo-Woo

Lee Jae-eun

[Su Ho's hou...

Um Tae-Yoon

[Comic store...

Jang Young-hyeon

[Convenience...

Moon Hak-Jin

[Convenience...

Ham Tae-Gyun

[Convenience...

김혜윤

Eun Dan Oh [...

이재욱

Baek Kyung [...

정건주

Ryu Hyung Ji...

금광산

[Sung Yong's...

박지호

[Baseball ga...

Lee Si-young

[Swarovski s...

Woo Hyun

[Camp ground...

Yoo Ok-joo

[Angry customer]

Seong Jeong-seon

[Community c...

Jung Sae-Rom

[Soo Jin's m...

Yoon To-Wang

[Gangster]

Lee Jung-yeol

[Bus driver]

홍대성

[Move Entert...

Lee Han-wi

Min Jae Joon...

김지수

[Wedding sho...

김영대

Oh Nam Joo [...

권반석

Dr. Han Chae...

Paul Battle

[Doctor]

김봉희

[Community c...

Jang Ye-Rim

[Female student]

조윤수

[Student]

Choi Da-young

[Reporter]

Cho Seok-In

[Cinema viewer]

Kim Won-shik

Ji Woo Hyeon

Terris Brown

[English teacher]

김시우

[Kindergarten boy]

Kang Du-hyun

[Playground bully]