Lee Chun-ho
Kim Chi-yeol
Park Eun-young
Guk Young-su
Kwon Il-ha
Kim Duk-joong
Kim You-jung
Kim In-hye
Roh Ae-sul
Doh Su-chul
Yeon Bo-ra
Wang Tae-man
[Math teacher]
Seo Ja Yoon
Corporal Park
Park Young Il
