Elliot Sprakes as Joe

David Walliams as Mrs Trafe

John Thomson as Len

Warwick Davis as Warwick Davis

Catherine Tate as Sapphire Diamond

James Fleet as Mr Darrow

Rebecca Front as Miss Sharpe

Harish Patel as Raj

Tupele Dorgu as Julie

Sean McKenzie as Foreman

Deborah Blake as UK Newsreader

Todd Boyce as Global Newsreader

Tina Chiang as Global Newsreader

Magdelene Mills as Global Newsreader

William Bower as Schoolboy

Callen Wilson as Schoolboy

Connie Campbell as Maddie

Jacob Skelly as Gavin

Ellis Busby as Izzy

Tanaka Mataruse as Schoolgirl

Daisy Bernard as Gail Grubb

Ellis Kirk as George Grubb

Nathan Waight as Bob

Anthony O'Donnell as Mr Brace

Thomas Barker as Schoolboy

Benjamin Naisbitt as Schoolboy

Bryn Terfel as Bryn Terfel