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