Lee Sun-Young
[Math teacher]
Joo Se-Bin
Jin Hee Jung [Seobom High freshman student
Kang Cho-won
[Saebom High student bully]
Lee Jung-yeol
[Bus driver]
홍대성
[Move Entertainment employee]
이한위
Min Jae Joon [Plastic surgeon]
Jung Dae-Ro
[Hee Kyung's acquaintance]
윤정섭
[Joo Hun's assistant]
