Cast
- Spencer as Horrid Henry
- Lady as Perfect Peter (I know Lady is female)
- Diesel as Rude Ralph (Daisy can't be Rude Ralph, Daisy is female, Rude Ralph is male)
- Edward as Brainy Brian
- Henry as Beefy Bert
- Thomas as Henry's Dad
- Emily as Mum
- Duck as Weepy William
- Bill as Spotless Sam
- Ben as Goody-Goody Gordon
- Oliver as Paul
- Rosie as Polly
- S.C.Ruffey as Bossy Bill
- Daisy as Moody Margaret
- Mavis as Sour Susan (Rosie can't be Sour Susan, Rosie is good, Sour Susan is bad)
- Annie/Clarabel as Gurinder
- Madge as Soyara
- Molly as Linda
- Bertie as Al
- Harold as A Frenchman
- James as Stuck-Up Steve
- Sixteen as Al (with black shorts)
- The Fat Controller as Mr. Mossy
- Lady Hatt as Mrs. Mossy
- Mr. Percival as The Vicar