Cast[]
- Tad as Horrid Henry
- Tom Lucitor as A Rat
- King Butterfly as Slimy Sammy
- Buff Frog as Mutant Max
- Mr. Diaz as Greedy Graham
- Marco Diaz as Bossy Bill
- Ferguson as Rude Ralph
- Alfonzo as Mischievous Mike
- Oscar as Peter's Devil
- Toffee as Perfect Peter
- Jackie Lynn Thomas as Gorgeous Gurinder
- Star Butterfly as Miss Battle-Axe
- Janna Ordonia as Moody Margaret
- Ludo as Mr. Mossy