Hak-soo
Sun-mi
Hak-soo's Father
Yong-dae
Mi-kyung
Sun-mi's Father
Won-joon
Joong-sik
Sang-ryul
Alumni
Police Officer
Hak-gi
Bang-baek
Patient
Hye-ok
Goo-bok
Rapper
Gold Medal
Student
Teacher
Classmate
