Talulah Riley
Annabelle Fritton
Rupert Everett
Camilla Fritton / Carnaby Fritton
Gemma Arterton
Kelly Jones
Colin Firth
Geoffrey Thwaites
Lena Headey
Miss Dickinson
Anna Chancellor
Miss Bagstock
Tamsin Egerton
Chelsea Parker
Lucy Punch
Verity Thwaites
Fenella Woolgar
Miss Cleaver
Caterina Murino
Miss Maupassant
Nathaniel Parker
Chairman of the National Gallery
Nadine Coyle
School Band Member
Sarah Harding
School Band Member
Nicola Roberts
School Band Member
Kimberley Walsh
School Band Member
Esme Thompson
1st Year Bookie
James Rawlings
Press Secretary
Ben Willbond
Damaged Inspector
Emily Grace Bevan
Female Inspector
John Thompson
Male Inspector
Preston Thompson
Boy at the Party
Cato Sandford
Bedales Pupil 1
Jonathan Bailey
Bedales Pupil 2
Richard Glover
Floor Runner
Jeremy Thompson
Sky Newscaster
Rene Costa
Paramedic (uncredited)