Cast[]
- Tidy Ted as Thomas
- Mr. Mossy as Edward
- Beefy Bert as Henry
- Stuck-Up Steve as Gordon
- Pimbly Paul as James
- Spotless Sam as Percy
- Axious Andrew as Toby
- Perfect Peter as Duck
- Mario & Luigi (from Super Mario World) as Donald & Douglas
- Goody-Goody Gordon as Oliver
- Bossy Bill as Diesel
- Lenny & Carl (from The Simpsons) as Bill & Ben
- Brainy Brian as BoCo
- Miss Battle-Axe as Daisy
- Moody Margaret as Mavis
- Aerobic Al as Stepney
- Singing Soraya as Emily
- Peter's Angel as Bertie
- Lazy Linda as Lady
- Horrid Henry as Diesel 10
- Margaret's Dad as Sir Topham Hatt
- Margaret's Mom as Lady Hatt
- Fluffy as Trevor
- Jolly Josh as Derek
- Peter's Devil as Bulgy
- Sour Susan as Elizabeth
- Slimy Sammy as George
- Rude Ralph as Spencer
- Fang as Scruffey
- Gorgeous Gurinder as Rosie
- Muntant Max as Smudger
- Prissy Polly as Molly
- Greedy Graham as The Diesel/D261
- Mr. Nerdon as The Angry Policeman