김재원
Choi Kwan-woo
김하늘
Kim Chae-won
한혜진
Yoon Ji-Soo
Kim Yoo-mi
Choi Yun-Hee
고명환
Kim Bong-Gyun
박원숙
President Yoon Mi-Hee
Kim Hae-sook
Kwan Woo's mother
Moon Ji-yoon
Choi Jang-Bi
김용건
Chairman Lee Young-Kyu
Lee Min-ho
Troubled student
