| Name | Type | Role | |
|---|---|---|---|
| Hansol Vernon Chwe | Guest Star | Vernon | |
| Joshua Hong | Guest Star | ||
| Kim Min-gyu | Guest Star | ||
| Boo Seung-kwan | Guest Star | ||
| Yoon Jeong-han | Guest Star | ||
| Lee Seok-min | Guest Star | DK | |
| Kwon Soon-young | Guest Star | Hoshi | |
| Wen Junhui | Guest Star | ||
| Lee Chan | Guest Star | Dino | |
| Lee Ji-hoon | Guest Star | Woozi | |
| Xu Minghao | Guest Star | The8 | |
| Choi Seung-cheol | Guest Star | S.Coups |