Lim Ju-kyung
Lee Su-ho
Han Seo-jun
Kang Soo-jin
Lim Hee-kyung
Lim Jae-pil
Hong Hyun-suk
Han Joon-woo
Lim Ju-young
Choi Soo-a
Kim Cho-rong
Young Im Hee-kyung
Byeon Joon Hyeok [Yongpa High student]
Doctor Kang [Soo Jin's father]
[Soo Jin's mother]
[Saebom High student bully]
[Columbus Park]
[Hee Kyung's acquaintance]
[Joo Hun's assistant]
