이유리
Chae-ri
공유
Joon
Shoo
Soo-young
Jung Sung-yoon
Tae-hyun
Moon Ji-yoon
Sang-hyuk
임성언
Min-hee
조달환
Seok-goo
김용건
Sang-hyuk's Father
이미영
Sang-hyuk's Mother
김지우
Song-yi
Yoo Seo-jin
Professor
