cast
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Kim Soo-ro
Cheon Seong-geun
-
Park Bo-young
Han Song-i
- Lee Chan-ho Ok Gi-ho
-
Kim Hyeong-beom
Cha Seung-ryong
-
Kim Ki-bang
Meok-tong
-
Park Jin-Taek
Jin-gook
-
Kim Yeong-ok
Seong-geun's Mother
-
Ha Jung-woo
Doctor
- Jang Hee-Su Gi-ho's Mother
-
Lee Yong-i
Eun-sil's Mother
- Lee Hyung-Kwon Vice-principal
-
Gong Ho-seok
Teacher Choi
-
Lee Han-wi
Principal
-
Kim Sung-ryung
President Lee
-
Moon Chae-won
Lee Eun-sil
-
Lee Min-ho
Oh Sang-hoon
-
Baek Sung-hyun
Baek Jung-goo
-
Lee Eon-jeong
Chemistry Teacher
-
Kim Byeong-ok
Publishing Company President
- Kim Won-jin Referee
-
Ji Hye-in
Ji Yeon
-
Son Min-ji
Interview Student 3
-
Oh Soon-tae
Ja Ba Nom
- Im Joo-hyeon Touchy Couple Male
- Yoo Mil Touchy Couple Female