Cast Members (18)
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Park Jin Young
as Lee Ahn
16 episodes
신예은
as Yoon Jae In
16 episodes
Kim Kwon
as Kang Sung Mo
16 episodes
Kim Dasom
as Eun Ji Soo
16 episodes
조병규
as Kang Sung Mo (young)
16 episodes
Jeon Mi-seon
as Kang Eun-ju
16 episodes
Go Youn-jung
as Kim So-hyun
16 episodes
Ro Jong-hyun
as Lee Dae-bong
16 episodes
정석용
as Yoon Tae-ha
16 episodes
장의수
as Lee Seung-yong
16 episodes
이승준
as Kang Geun-taek
16 episodes
사강
as Hong Soo-yeon
16 episodes
Kim Hyo-jin
as Oh Sook-ja
16 episodes
Kim Ki-moo
as Hong Jeong-soo
16 episodes
Uhm Hyo-seop
as Eun Byeong-ho
16 episodes
김원해
as Math Teacher
16 episodes
박철민
as Nam Dae-nam
16 episodes
Choo Ye-jin
as Eun Ji Su [Teen]
16 episodes