6.5
Yun Hong-yeon
Kang Soo-ha
Yang Eun-Hee
Yun Hong-yeon's Mother
Nan-hee
Teacher Yu
Teacher Jo (uncredited)
Bum-soo's Mother (uncredited)
Kim Joo's Grandfather (uncredited)
Soon-cheol (uncredited)
Bookstore Owner (uncredited)
