Cast[]
- Den as Horrid Henry
- Thomas as Perfect Peter
- Sir Topham Hatt as Henry's Dad
- Lady Hatt as Henry's Mom
- Bertie as Fluffy the Cat
- Scruffey as Fang the Hamster
- Dart as Rude Ralph
- Diesel as Muntant Max
- Daisy as Moody Margaret
- Mavis as Sour Susan
- Edward as Brainy Brian
- Henry as Anxious Andrew
- Murdoch as Beefy Bert
- Percy as Goody-Goody Gordon
- Duck as Tidy Ted
- Oliver as Spotless Sam
- Elizabeth as Miss Battle-Axe
- Rosie as Prissy Polly
- Duncan as Pimply Paul
- James as Stuck-Up Steve
- Bulgy as Bossy Bill
- Hector as Big Boss
- D261 as Mr. Nerdon
- Flynn as Mr. Mossy
- Belle as Mrs. Mossy
- Arry & Bert as The Brickhouse Boys
- Skarloey as Peter's Angel
- Smudger as Peter's Devil