Peter Kay

Character: Big Chris (voice)

Richard Briers

Character: Roobarb/Custard (voice)

Frank Welker

Character: Scooby-Doo (voice)

Ken Barrie

Character: Postman Pat (voice)

Neil Morrissey

Character: Bob the Builder (voice)

Ringo Starr

Character: Thomas the Tank Engine (voice)

Roy Skelton

Character: Zippy / George (voice)

Jane Horrocks

Character: Fifi Forget-Me-Not (voice)

Carole Boyd

Character: Sara Clifton / Mrs. Goggins (voice)

Tim Whitnall

Character: Teletubbies narrator / Flowertots characters (voice)

Keith Wickham

Character: The Fat Controller (voice)

Oliver Postgate

Character: Bagpus (voice)

Brian Cant

Character: Miss Lovelace (voice)

Jimmy Hibbert

Character: Ben (Flowerpot Man)/ Stretchy (voice)

Bernard Cribbins

Character: Alderney / Orinoco / Wellington (voice)

Malcolm Lord

Character: Bungle

Marc Silk

Character: Flowertots / Molecom (voice)

Sylvia Anderson

Character: Lady Penelope (voice)

Kulvinder Ghir

Character: Ajay

Jonathan Kydd

Character: Paddington Bear (voice)

John Thomson

Character: Bill (Flowerpot Man)

David Graham

Character: Brains / Parker / Thunderbirds (voice)

Martin Clunes

Character: Stripy (voice)

Pui Fan Lee

Character: Po

Mark Heenehan

Character: Tinky Winky (voice)

Marcello Magni

Character: Pingu (voice)

Simon Shelton

Character: Tinky-Winky (voice)

John Simmit

Character: Dipsy (voice)

Nikky Smedley

Character: Laa-Laa (voice)

Brenda Longman

Character: Soo

Steven Kynman

Character: Fireman Sam

Charlotte Spencer

Character: Angelina Mouseling (voice)

Casey Kasem

Character: Shaggy Rogers (voice) (uncredited)