변요한
Han Gi-tak
공승연
Jeong-suk
박희순
Do-ha
Sim Won-cheol
Principal
Loren Burgos
Lochel
Jeong Yun-suk
Sang-gu
김현빈
Jung-hee
Eom Chae-yun
Bong-seon
Jeon Hui-heon
Na-ra
Byun Min-woo
Dae-sik
Byun Seung-woo
Jung-sik
Kim Geon-hyo
So-sik
박경혜
Internet Tutor
박정우
Teenager Sang-gu (voice)
