- Diesel as Vyvyan
- Thomas as Rick
- Henry as Neil
- Gordon as Mike
- Smudger as SPG the Hamster
- Edward as Bambi
- Toby as Cliff Richard
- James as The Teacher
- D199 as The TV Detector Man
- Sir Topham Hatt as Mr. Balowski
- Percy, Bill and Ben as The Kids in Ricks Dream
- Den and Dart
as The Students
- Emily, Molly, Mavis and Daisy as The Amazulu
- Caroline as Vyvyan's Mom
- Connor & Caityln as Neil’s Parents
- and more