Cast[]
- Elizabeth as Horrid Henry
- Rosie as Perfect Peter
- Lady Hatt as Henry's Dad
- Sir Topham Hatt as Henry's Mom
- Diesel 10 as Moody Margaret
- Whiff as Sour Susan
- Molly as Brainy Brian
- Neville as Anxious Andrew
- Emily as Goody-Goody Gordon
- Oliver as Tidy Ted
- Lady as Spotless Sam
- Sir Handel as Stuck-Up Steve
- Murdoch as Mr. Mossy
- Duncan as Bossy Bill
- Duck as Singing Soraya
- Thomas as Prissy Polly
- Daisy as Mutant Max
- George as Slimmy Sammy
- Gordon as Beefy Bert
- Diesel as Miss Battle-Axe
- Timothy as Peter's Angel
- Spencer as Peter's Devil