Park Jeong-min
Hak-soo
Acting
Kim Go-eun
Sun-mi
Acting
Jang Hang-seon
Hak-soo's Father
Acting
Go Joon
Yong-dae
Acting
Shin Hyun-been
Mi-kyung
Acting
Jeong Gyu-su
Sun-mi's Father
Acting
Kim Jun-han
Won-joon
Acting
Jeong Seon-cheol
Joong-sik
Acting
Bae Je-gi
Sang-ryul
Acting
Lee Jung-hyun
Alumni
Acting
Shin Mun-sung
Police Officer
Acting
Im Sung-jae
Hak-gi
Acting
Bek Hyun-jin
Bang-baek
Acting
Kim Se-gyeom
Patient
Writing
Bae Young-ran
Hye-ok
Acting
Choi Jung-hun
Goo-bok
Acting
Yoo Young-bin
Rapper
Acting
Song Duk-ho
Rapper
Acting
Lee Seung-hun
Gold Medal
Acting
Park Soo-yeon
Student
Acting
Jo Ha-seok
Teacher
Acting
Ha Hyun-soo
Classmate
Acting