Peter Kay

Big Chris (voice)

Richard Briers

Roobarb/Custard (voice)

Frank Welker

Scooby-Doo (voice)

Ken Barrie

Postman Pat (voice)

Neil Morrissey

Bob the Builder (voice)

Ringo Starr

Thomas the Tank Engine (voice)

Roy Skelton

Zippy / George (voice)

Jane Horrocks

Fifi Forget-Me-Not (voice)

Carole Boyd

Sara Clifton / Mrs. Goggins (voice)

Tim Whitnall

Teletubbies narrator / Flowertots characters (voice)

Keith Wickham

The Fat Controller (voice)

Oliver Postgate

Bagpus (voice)

Brian Cant

Miss Lovelace (voice)

Jimmy Hibbert

Ben (Flowerpot Man)/ Stretchy (voice)

Bernard Cribbins

Alderney / Orinoco / Wellington (voice)

Marc Silk

Flowertots / Molecom (voice)

Sylvia Anderson

Lady Penelope (voice)

Kulvinder Ghir

Ajay

Jonathan Kydd

Paddington Bear (voice)

John Thomson

Bill (Flowerpot Man)

David Graham

Brains / Parker / Thunderbirds (voice)

Martin Clunes

Stripy (voice)

Pui Fan Lee

Po

Mark Heenehan

Tinky Winky (voice)

Marcello Magni

Pingu (voice)

Simon Shelton

Tinky-Winky (voice)

John Simmit

Dipsy (voice)

Nikky Smedley

Laa-Laa (voice)

Brenda Longman

Soo

Steven Kynman

Fireman Sam

Charlotte Spencer

Angelina Mouseling (voice)

Casey Kasem

Shaggy Rogers (voice) (uncredited)