David Walliams

Mr Kieth Church

Catherine Tate

Miss Sarah Postern

Frances de la Tour

Ms Baron

Philip Glenister

Mr Gunn

Steve Speirs

Mr Barber

Julie T. Wallace

Pat

Joanna Scanlan

Mrs Klebb

Joivan Wade

Manyou

Georgia Thompson

Beyonce

Carla Ryan

Tina

Matthew Fenton

Nicholas

Isaac Money

School Boy (uncredited)

Jordi Whitworth

Student

Jocelyn Jee Esien

Daphne

Daniel Rigby

Mr Martin

James Greene

Mr Hubble

Tom Davis

Simon

Oliver Barry-Brook

Josh