Cast:

• Keira Knightley Georgiana, The Duchess of Devonshire
• Ralph Fiennes Duke of Devonshire
• Charlotte Rampling Lady Spencer
• Dominic Cooper Charles Grey
• Hayley Atwell Bess Foster
• Simon McBurney Charles Fox
• Aidan McArdle Richard Brinsley Sheridan
• John Shrapnel General Grey
• Alistair Petrie Heaton
• Patrick Godfrey Dr. Neville
• Michael Medwin Speechmaker
• Justin Edwards Macaroni
• Richard McCabe Sir James Hare
• Calvin Dean Devonshire House Servant
• Hannah Stokely Devonshire House Maid
• Andrew Armour Burleigh
• Emily Jewell Nanny
• Bruce Mackinnon Sir Peter Teazle
• Georgia King Lady Teazle
• Luke Norris Footman
• Eva Hrela Charlotte
• Poppy Wigglesworth Charlotte
• Emily Cohen Harriet - Countess of Bessborough
• Mercy Fiennes Tiffin Little G
• Sebastian Applewhite Augustus
• Angus McEwan Lord Robert
• Kate Burdette Lady Harriet
• Laura Stevely Lady Elizabeth
• Ben Garlick Lord Ambrose
• Max Bennett Lord Walter
• Camilla Arfwedson Lady Charlotte
• Fiona Sheehan Young Girl in Theatre
• Sarah Wyatt Servant Girl
• Thomas Arnold Dealer
• Gilbert Wynne Althorpe Servant
• Richard Curzon Heaton's Clerk
• Sophia Johnston Guest #1 at Lady Melbourne's Ball
• Katerina Tana Guest #2 at Lady Melbourne's Ball
• James MacColl Bath Servant