The famous rock band The Paperback music is convened for a big concert at Big Depression. Arriving at their destination, no musical event seems ready for that day, but suddenly a secret passage opens to the planet Planio, where dictator Balthazar has banned all kinds of music.
| Actor | Role |
|---|---|
| AAlessio De FilippisAlex (voice) | Alex (voice) |
| SStefano BroccolettiJim (voice) | Jim (voice) |
 Daniele RaffaeliPhil (voice) | Phil (voice) |
 Letizia CiampaJenny (voice) | Jenny (voice) |
 Fabrizio MazzottaDoremi (voice) | Doremi (voice) |
 Mino CaprioBarman 2 (voice) | Barman 2 (voice) |
 Emiliano ColtortiBalthazar (voice) | Balthazar (voice) |
 Massimo BitossiScrigno (voice) | Scrigno (voice) |
 Luca Dal FabbroMackero (voice) | Mackero (voice) |
 Vittorio StagniLaszlo (voice) | Laszlo (voice) |
 Valeria VidaliSuzy (voice) | Suzy (voice) |
 Luigi FerraroAlieno (voice) | Alieno (voice) |
 Tatiana DessiAliena (voice) | Aliena (voice) |