| Name | Type | Role | |
|---|---|---|---|
| Chu So-jung | Guest Star | Exy (WJSN) | |
| Kim Ji-yeon | Guest Star | Bona (WJSN) | |
| Lee Dong-wook | Guest Star | Lee Dong-wook | |
| Song Hyeong-jun | Guest Star | Hyeongjun (CRAVITY) | |
| Kim Ga-eul | Guest Star | Gaeul (IVE) | |
| Lee Min-hyuk | Guest Star | Minhyuk (Monsta X) | |
| Kim Bum | Guest Star | Kim Bum | |
| Kim Ji-won | Guest Star | Liz (IVE) | |
| Park Soo-bin | Guest Star | Soobin (WJSN) | |
| Son Woo-hyun | Guest Star | Son Woo-hyun | |
| Yoo Yeon-seok | Guest Star | Yoo Yeon-seok | |
| Ahn Seong-min | Guest Star | Seongmin (CRAVITY) | |
| Yoo Ki-hyun | Guest Star | Kihyun (Monsta X) | |
| Lee Kwang-soo | Guest Star | Lee Kwang-soo | |
| Im Da-young | Guest Star | Dayoung (WJSN) | |
| Naoi Rei | Guest Star | Rei (IVE) | |
| K.Will | Guest Star | K.Will | |
| Shin Seung-ho | Guest Star | Shin Seung-ho | |
| Lee Joo-heon | Guest Star | Joohoney (Monsta X) | |
| Cheon Young-min | Guest Star | Cheon Young-min | |
| Kang Min-hee | Guest Star | Minhee (CRAVITY) | |
| Jang Won-young | Guest Star | Wonyoung (IVE) | |
| Jeong Se-woon | Guest Star | Jeong Se-woon | |
| Ryu Hye-young | Guest Star | Ryu Hye-young | |
| Kim Hyun-jung | Guest Star | SeolA (WJSN) | |
| Koo Jung-mo | Guest Star | Jungmo (CRAVITY) | |
| Chae Soo-bin | Guest Star | Chae Soo-bin | |
| Park Se-rim | Guest Star | Serim (CRAVITY) | |
| An Yu-jin | Guest Star | Yujin (IVE) | |
| Chae Hyung-won | Guest Star | Hyungwon (Monsta X) | |
| Song Seung-heon | Guest Star | Song Seung-heon |