Georgiana Cavendish, Duchess of Devonshire

Keira Knightley

Acting

Duke of Devonshire

Ralph Fiennes

Acting

Lady Spencer

Charlotte Rampling

Acting

Charles Grey

Dominic Cooper

Acting

Bess Foster

Hayley Atwell

Acting

Charles Fox

Simon McBurney

Acting

Richard Brinsley Sheridan

Aidan McArdle

Acting

General Grey

John Shrapnel

Acting

Heaton

Alistair Petrie

Acting

Dr. Neville

Patrick Godfrey

Acting

Speechmaker

Michael Medwin

Acting

Macaroni

Justin Edwards

Acting

Sir James Hare

Richard McCabe

Acting

Devonshire House Servant (as Calvin Dean)

Calvin A. Dean

Acting

Devonshire House Maid

Hannah Stokely

Acting

Burleigh

Andrew Armour

Acting

Nanny

Emily Jewell

Acting

Sir Peter Teazle

Bruce Mackinnon

Acting

Lady Teazle

Georgia King

Acting

Footman

Luke Norris

Acting

Charlotte (Age 3)

Eva Hrela

Acting

Charlotte (Age 9)

Poppy Wigglesworth

Acting

Harryo

Emily Cohen

Acting

Little G

Mercy Fiennes Tiffin

Acting

Augustus

Sebastian Applewhite

Acting

Lord Robert

Angus McEwan

Acting

Lady Harriet

Kate Burdette

Acting

Lady Elizabeth

Laura Stevely

Acting

Lord Ambrose (as Ben Garlick)

Benjamin Noble

Acting

Lord Walter

Max Bennett

Acting

Lady Charlotte

Camilla Arfwedson

Acting

Young Girl in Theatre

Fiona Sheehan

Acting

Servant Girl

Sarah Wyatt

Acting

Dealer

Thomas Arnold

Acting

Althorpe Servant

Gilbert Wynne

Acting

Heaton's Clerk

Richard Curzon

Acting

Guest at Lady Melbourne's Ball

Sophia Johnston

Acting

Guest at Lady Melbourne's Ball

Katerina Tana

Acting

Narrator (voice)

Clive Pearse

Acting