Catherine Tate

Stella (voice)

Ralf Little

Fireboy (voice)

David Walliams

Golden Nit (voice)

Bobby Fuller

Beanie (voice)

Rachel Rawlinson

Beryl (voice)

Harry Enfield

Bill (voice)

Miranda Hart

Julie (voice)

Rik Mayall

President Pinky (voice)

Alexei Sayle

Planet Jimmy (voice)

Miriam Margolyes

Mummy Socks (voice)

Vic Reeves

Captain Iron Ears (voice)

Lucy Montgomery

Stressed Alice (voice)

Andy Akinwolere

Catbot (voice)

Craig Revel Horwood

Craig Revel-Horwood (voice)

Sanjeev Bhaskar

Ten Heart Hero (voice)

David Tennant

Radio Newsreader / Stretchy McStretch (voice)

David Hockney

The Painter (voice)

Jay Ruckley

Cameo Cast (voice)