Yoon Eun-hye
Han Min Joo (Tomboy Boxer)
Ahn Jae-mo
Jung Han-Soo
Lee Jung
Baek Sung Gi (School's top dog)
Hyun Young
Kim Seon-mi
Jeong Jun-ha
Ko Min-sik
Chun Myung-hoon
Han-soo's brother
Park Hyo-joon
Sung-gi's friend
Park Seul-gi
Kang Hae-soo
Yun Mun-sik
Kim Eul-dong
Min-ju's mother
Yang Joo-ho
Jung Shik [Bullied student]
