Byun Yo-han
Ji-woong
Lee Ju-seung
Young-min
Ryu Jun-yeol
Yang-ge
Ha Yoon-kyung
Ha-young
Park Keun-rok
Moon-hyuk
Oh Hee-jun
Serviceman
Chun Sin-hwan
Jang Se-min
Lee Kang-wook
Oh Hyung-ju
Bae Yoo-ram
Jung-bae
Nam Moon-chul
Ha-young's father
Kim Jong-soo
Professor
Lim Ji-ho
Student
Yu Dae-hyeong
Byeong-mu