Rex the Runt

Elisabeth Hadley

Wendy (voice)

Steve Box

Vince (voice)

Andrew Franks

Rex (voice)

Colin Rote

Rex (voice)

Kevin Wrench

Bad Bob (voice)

Andrew Jeffers

Bad Bob (voice)

Beverley Cressman

Additional voices (voice) / Alfonso Pig (voice) / Lobster (voice) / News Reporter (voice) / Rat (voice) / Shed Announcer (voice) / Teacher, Princess (voice)

Paul Merton

Dr. Dogg (voice)

Arthur Smith

Arthur Dustcart (voice)

Antoine de Caunes

Euro MP (voice) / Stinky Basil (voice)

Frank Passingham

Man in Binbag (voice) / Mr. Chittock (voice) / Patient (voice)

Simon Day

Constable Funnyname (voice) / Taxi Driver (voice)

Phill Jupitus

Morris the One Gloved Mouse (voice) / Sergeant Major (voice) / The Ants (voice)

Morwenna Banks

Mrs Bloomers (voice) / PVC Presenter (voice)

Suzy Eddie Izzard

Easter Island Head (voice) / Melting Blob Man (voice)

Judith Chalmers

Judith Poodle (voice)

Jonathan Ross

Awards Announcer (voice) / Handsome Rex (voice)

Graham Norton

Osvalde Halitosis (voice) / The Plants (voice)

Seamus Malone

Centipede of the Dance (voice)

Tom Espiner

Lottery Presenter (voice)

Bob Holness

Mr. Formal (voice)

Kathy Burke

Mrs. Mandelbrotska (voice)

Peter Atkin

Court Usher (voice)

Peter Peake

Gary Nudog (voice)

June Whitfield

Judge Pikelet (voice)

Pam Ayres

Aunty Brenda (voice)

Abigail Youngman

Student (voice)

Bob Monkhouse

Johnny Saveloy (voice)

Stanley Unwin

Mr. Wangle (voice)

Sarah Walden

Nurse (voice)

Tommy Cannon

Tiddles (voice)

Bobby Ball

Wayne the Zebra (voice)

Loyd Grossman

Self (voice)

Danny Capozzi

Doc (voice)

Ben Caudell

Terry (voice)

Peter Holmes

Ace (voice)

Peter Sallis

Wallace (voice) (uncredited)