Jang Seo-heeJang Seo-hee was 45 in I'm Doing Fine in Middle School as 'Yang Bo Mi'.
Yoon Chan-youngYoon Chan-young was 15 in I'm Doing Fine in Middle School as 'Han Cheol'.
Lee Kyung-youngLee Kyung-young was 56 in I'm Doing Fine in Middle School as 'Baek Woon'.
Kim Jin-sooKim Jin-soo was 46 in I'm Doing Fine in Middle School as '[Husband]'.
FeelDogFeelDog was 24 in I'm Doing Fine in Middle School as '[Taekwondo Master]'.
Sin Dong-uSin Dong-u was >> in I'm Doing Fine in Middle School as '"Dark Circle"'.Seung HyunSeung Hyun was >> in I'm Doing Fine in Middle School as '"Dark Circle"'.Park Soo-youngPark Soo-young was 41 in I'm Doing Fine in Middle School as 'Director'Kim Kyeong-miKim Kyeong-mi was >> in I'm Doing Fine in Middle School as 'Costume Design'Choi Jae-geunChoi Jae-geun was >> in I'm Doing Fine in Middle School as 'Sound Supervisor'Lee Yun-jaeLee Yun-jae was >> in I'm Doing Fine in Middle School as 'Production Sound Mixer'Shin Soon-okShin Soon-ok was >> in I'm Doing Fine in Middle School as 'Art Direction'
Taemi