| Name | Type | Role | |
|---|---|---|---|
| Lee Gi-wook | Musical Guest | GIUK | |
| Moon Byul | Musical Guest | Moon Byul | |
| Kim Yeon-kyu | Guest Star | ||
| Lee Jae-hwan | Guest Star | KEN | |
| Oh Jun-seok | Guest Star | ||
| Han Sang-Hyuk | Guest Star | HYUK | |
| Ryu Jun-min | Guest Star | ||
| ATBO | Guest Star | ||
| Choi Young-jae | Guest Star | ||
| Seok Rak-won | Guest Star | ||
| VIXX | Guest Star | ||
| Won Bin | Guest Star | ||
| Bae Hyun-jun | Guest Star | ||
| Jung Taek Woon | Guest Star | LEO | |
| Jeong Seung-hwan | Guest Star |