Character Name : Choi Mi-sook

Original Name : 심혜진

Gender : Female

Character Name : Sung Joon

Original Name : 정희태

Gender : Male

Character Name : Kim Do-il

Original Name : Kim Jin-geun

Gender : Male

Character Name : Kim Jin-seong

Original Name : Moon Woo-Bin

Gender : Male

Character Name : Min-ji

Original Name : Jung Na-Yoon

Gender : Male

Character Name : Mi-sook's Mother (uncredited)

Original Name : 이영희

Gender : Female

Character Name : mother

Original Name : 김미경

Gender : Female

Character Name : Professor Kim

Original Name : 박웅

Gender : Male

Character Name : Intern

Original Name : Park Sang-hyeok

Gender : Male