Cast Members (93)
Mun Ka-young
as Lim Ju-kyung
16 episodes
Cha Eun-woo
as Lee Su-ho
16 episodes
Hwang In-yeop
as Han Seo-jun
16 episodes
Park You-na
as Kang Soo-jin
16 episodes
Lim Se-mi
as Lim Hee-kyung
16 episodes
Park Ho-san
as Lim Jae-pil
16 episodes
Jang Hye-jin
as Hong Hyun-suk
16 episodes
Oh Eui-sik
as Han Joon-woo
16 episodes
Kim Min-ki
as Lim Ju-young
16 episodes
Kang Min-ah
as Choi Soo-a
16 episodes
Lee Woo-je
as Kim Cho-rong
16 episodes
Yoon Seo-ah
as Young Im Hee-kyung
16 episodes
Jeon Hye-won
as Park Sae-mi
16 episodes
Yeo Joo-ha
as Han Go-woon
16 episodes
Lee Il-jun
as Yoo Tae-hoon
16 episodes
Lee Joo-Ahn
as Choi Man-shik
16 episodes
Lee Sang-jin
as Ahn Hyun-gyu
16 episodes
Kim Hyun-Ji
as Kim Si-hyun
16 episodes
Han Yi Young
as Ha Ji-young
16 episodes
Jeong Jun-ho
as Lee Joo-hun
16 episodes
Kim Jung-hak
as Mr. Oh
16 episodes
Seo Hye-won
as Se-mi's Friend
16 episodes
Kim Ryul-Ha
as Kim Ga-young
16 episodes
Oh Yu-jin
as Joo Hye-min
16 episodes
Lim Hyun-sung
as Comic Store Owner
16 episodes
Ahn So-Rim
as Lee Ye-rim
16 episodes
Ahn Sang-woo
as Disciplinary Teacher
16 episodes
Kim Byung-choon
as Vice-principal
16 episodes
Koh Woo-ri
as Selena Lee
16 episodes
Park Sung-Jin
as Yoo Gang-hyeon
16 episodes
Kim So-bin
as Classmate
16 episodes
Oh Chae-eun
as Woo-hyeon's Girlfriend
16 episodes
Park Seo-Kyung
as Lim Hee Gyung [Young]
1 episode
Park Ju-Hwan
as Lim Joo Young [Young]
1 episode
Ok Joo-ri
as [Neighborhood woman]
1 episode
Choi Yi-sun
as [Yongpa High student]
1 episode
Han Myeong-hwan
as [Yongpa High student]
1 episode
Lee Tae-ri
as Wang Hyun Bin [Joo Gyung's crush]
1 episode
Cha Yeong-ok
as [Neighborhood woman]
2 episodes
Hwang Jung-ha
as Byeon Joon Hyeok [Yongpa High student]
4 episodes
Kang Chan-hee
as Jeong Se Yeon [Su Ho & Seo Jun's friend]
5 episodes
Lee Go-eun
as Lim Joo Gyung [Young]
4 episodes
Shin Jae-hwi
as Lee Sung Yong [Yongpa High student]
5 episodes
Lee Seung-Woo
as Lee Su Ho [Young]
4 episodes
Shin Seo-Woo
as
1 episode
Lee Jae-eun
as [Su Ho's housekeeper]
1 episode
Um Tae-Yoon
as [Comic store customer]
1 episode
Jang Young-hyeon
as [Convenience store friend #1]
1 episode
Moon Hak-Jin
as [Convenience store friend #2]
1 episode
Ham Tae-Gyun
as [Convenience store friend #3]
1 episode
Park Hyun Jung
as Lee Mi Hyang [Seo Jun’s mother]
5 episodes
Song Hoon
as [History teacher]
2 episodes
Kim Hye-yoon
as Eun Dan Oh [Movie goer]
1 episode
Lee Jae-wook
as Baek Kyung [Movie goer]
1 episode
Lee Sun-Young
as [Math teacher]
3 episodes
Joo Se-Bin
as Jin Hee Jung [Seobom High freshman student
1 episode
Joo Se-Bin
as Jin Hee Jung [Seobom High freshman student bully]
1 episode
Kim Jae-hwa
as [Music teacher]
2 episodes
Seo Sang-won
as Doctor Kang [Soo Jin's father]
4 episodes
Yoo Dam-Yeon
as [Soo Jin's mother]
4 episodes
Jung Gun-joo
as Ryu Hyung Jin [Baseball player]
1 episode
Geum Gwang-san
as [Sung Yong's father]
1 episode
Park Ji-ho
as [Baseball game spectator]
1 episode
Lee Si-young
as [Swarovski saleswoman]
1 episode
Woo Hyeon
as [Camp ground owner]
1 episode
Yoo Ok-joo
as [Angry customer]
1 episode
Lee Eun-joo
as [Move Entertainment team leader]
2 episodes
Kang Cho-won
as [Saebom High student bully]
4 episodes
Park Young-soo
as [Columbus Park]
2 episodes
Seong Jeong-seon
as [Community center grandmother]
1 episode
Jung Sae-Rom
as [Soo Jin's math tutor]
1 episode
Yoon To-Wang
as [Gangster]
1 episode
Lee Jung-yeol
as [Bus driver]
1 episode
Hong Dae-sung
as [Move Entertainment employee]
1 episode
Lee Han-wi
as Min Jae Joon [Plastic surgeon]
1 episode
Jung Dae-Ro
as [Hee Kyung's acquaintance]
2 episodes
Yoon Jeong-sub
as [Joo Hun's assistant]
2 episodes
Kim Ji-soo
as [Wedding shop staff]
1 episode
Kim Young-dae
as Oh Nam Joo [Man at Namsan Tower]
1 episode
Kwon Ban-seok
as Dr. Han Chae Hoon [Emergency room doctor]
1 episode
Dayoung
as Chen [Move Entertainment celebrity]
2 episodes
Lee Byung-Jae
as [Seo Jun's band member]
2 episodes
Paul Battle
as [Doctor]
1 episode
Kim Bong-hee
as [Community center grandmother]
1 episode
Jang Ye-Rim
as [Female student]
1 episode
Jo Yoon-Soo
as [Student]
1 episode
Choi Da-young
as [Reporter]
1 episode
Cho Seok-In
as [Cinema viewer]
1 episode
Kim Won-shik
as Ji Woo Hyeon
1 episode
Terris Brown
as [English teacher]
1 episode
Kim Si-woo
as [Kindergarten boy]
1 episode
Kang Du-hyun
as [Playground bully]
1 episode
Ko Han-min
as [Photographer]
2 episodes