Masterlist of Characters
* Click on headers to sort
| Character | Played By | Group |
|---|---|---|
| [President] Jung Kiwook (Inactive) | michihiko | *DoubleA Ent Staffs |
| [Rapper] Hyun Jaehyun (Inactive) | remxnxsce | *Idols |
| [Dance Trainer] Park Kahi (Inactive) | remxnxsce | *Oneiric Art Staffs |
| [Principal] Choi Shinwoo (Inactive) | michihiko | *Oneiric Art Staffs |
| [Principal] Oh Namsoo (Inactive) | remxnxsce | *Oneiric Art Staffs |
| [Vocal Trainer] Jung Byunghee (Inactive) | michihiko | *Oneiric Art Staffs |
| [EA] Kim Jongsuk (Inactive) | michihiko | *Students (EA) |
| [ES] Hwang In-su (Inactive) | -bubbletea- | *Students (ES) |
| [EA] Byun Hana | Riri-tan | SNSD |