Byeon Yo-han
— Han Gi-tak
Gong Seung-yeon
— Jeong-suk
Park Hee-soon
— Do-ha
Sim Won-cheol
— Principal
Loren Burgos
— Lochel
Jeong Yun-suk
— Sang-gu
Kim Hyun-bin
— 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)
Shim Won-cheol
— Vice-Principal Village Foreman