| Name | Character | Episodes |
|---|---|---|
| Yoon Chan-young | Lee Ki Suk (A CIPA patient) | 32 |
| Lee Se-young | Kang Shi-Young | 32 |
| Jeon No-min | Kang Yi-Soo | 32 |
| Lee Kyoo-hyung | Son Seok-Ki | 32 |
| Jeong In-gi | Jung-Nam | 32 |
| Noreen Joyce Guerra | Flight attendant | 32 |
| Jung Kyung-soon | Yoo Joon's mother | 32 |