Kang Ha-neul
Young-ho
Chun Woo-hee
So-hee
Kang So-ra
Soo-jin
Lee Seol
So-yeon
Lim Ju-hwan
Young-hwan
Lee Hang-na
Mother
Lee Yang-hee
Father
Park Se-hyun
Student
Kim Sung-kyun
Teacher
Go Geon-han
Jong-guk
Nam Hyun-woo
Kim Min-seo
Kang Yeong Seok
Book Worm
Go U-rim
Young-ho (young)
Choi Myeong-bin
So-hee (young)
Won Ji-u
So-yeon (young)
