| Name | Character | Episodes |
|---|---|---|
| Sung Dong-il | Self | 44 |
| Kim Hie-won | Self | 44 |
| Yeo Jin-goo | Self | 14 |
| Rowoon | Self | 9 |
| IU | Self | 2 |
| Bae Doona | Self | 2 |
| Yoona | Self | 2 |
| Lee Hanee | Self | 2 |
| Kim Ha-neul | Self | 2 |
| Lee Hye-ri | Self | 2 |
| Kim You-jung | Self | 1 |
| Choi Moo-seong | Self | 1 |
| Lee Jung-eun | Self | 1 |
| Kim Dong-wook | Self | 1 |
| Rain | Self | 1 |
| Ko Chang-seok | Self | 1 |
| Jeon Hye-jin | Self | 1 |
| Shin Won-ho | Self | 1 |