Lee Jung

Baek Sung Gi (School's top dog)

Ahn Jae-mo

Jung Han-Soo

Yoon Eun-hye

Han Min Joo (Tomboy Boxer)

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