Lee Hye-ri
— Pil-sun
Park Se-wan
— Mi-na
Jeong-Ha Lee
— Chi-hyung
Jo A-ram
— Se-hyun
최지수
— So-hee
백하이
— Soon-jung
권유나
— Yong-soon
Yeom Ji-young
— Sang-mi
Lee Han-joo
— Yu-ri
박효은
— Ji-hye
Lee Chan-hyeong
— Dong-hyun
Hyun Bong-shik
— Woo-yong
Lee Mi-do
— Korean Teacher
지수연
— Hyundai Joongang High Cheerleader
주진모
— Principal
손병욱
— Dean of Students
Lee Si-hoon
— Soccer Coach Oh
서수희
— Yeon-woo
공훈
— English Teacher
한종훈
— Kim Hyung-woo
윤대열
— Hit Entertainment Producer
Oh Jun-hyeok
— Hyundai Joongang High Coah
차주완
— Jin-tak
정다정
— Sun-hye
조강혁
— Soccer Player
Cho Mi-yeon
— New Audition Student