| Actor | Role |
|---|---|
| LLee Ah-roOh Yu-mi | Oh Yu-mi |
 Ahn Sung-kiKim Young-gyun | Kim Young-gyun |
 Park Chan-hwanChoi Myeong-gil | Choi Myeong-gil |
 Jung Bo-seokKim Ho-seong | Kim Ho-seong |
 Song Young-changLee Gyeong-sik | Lee Gyeong-sik |
| EEom Yu-shinGrace Jo | Grace Jo |
 Jeon Moo-songJeong Ki-seob | Jeong Ki-seob |
 Yoon Ye-heeOh Yu-jeong | Oh Yu-jeong |
 Kang Ri-naKim Ah-young | Kim Ah-young |
 Kim Suk-okYu-mi's Mother | Yu-mi's Mother |
 Choi Jong-wonNot listed | Not listed |