In a fantasy world of opposing kingdoms, a 15-year old girl must find the fabled MirrorMask in order to save the kingdom and get home.
| Actor | Role |
|---|---|
 Stephanie LeonidasHelena / Anti-Helena | Helena / Anti-Helena |
 Jason BarryValentine | Valentine |
 Rob BrydonMorris Campbell / Prime Minister | Morris Campbell / Prime Minister |
 Gina McKeeJoanne Campbell / Queen of Light / Queen of Shadows | Joanne Campbell / Queen of Light / Queen of Shadows |
 Dora BryanAunt Nan | Aunt Nan |
 Stephen FryLibrarian | Librarian |
 Robert LlewellynGryphon | Gryphon |
 Lenny HenryCops 1-4 | Cops 1-4 |
| NNik RobsonPingo / Bing | Pingo / Bing |
 Simon HarveySphinx | Sphinx |
| EEryl MaynardMrs. Bagwell | Mrs. Bagwell |
 Andy HamiltonSmall Hairy | Small Hairy |
| EEve PearceFuture Fruit Lady | Future Fruit Lady |
| VVictoria WilliamsNurse | Nurse |
 Rick AllenMan in a Box | Man in a Box |
| IIain BallamyCircus band - band leader and soprano sax | Circus band - band leader and soprano sax |