Hayley Atwell

Bess Foster

Ralph Fiennes

Duke of Devonshire

Simon McBurney

Charles Fox

Charlotte Rampling

Lady Spencer

Richard McCabe

Sir James Hare

Dominic Cooper

Charles Grey

Patrick Godfrey

Dr. Neville

John Shrapnel

General Grey

David M. Thompson

Executive Producer

Keira Knightley

Georgiana Cavendish, Duchess of Devonshire

François Ivernel

Executive Producer

Cameron McCracken

Executive Producer

Aidan McArdle

Richard Brinsley Sheridan

Alistair Petrie

Heaton

Michael Medwin

Speechmaker

Justin Edwards

Macaroni

Calvin A. Dean

Devonshire House Servant (as Calvin Dean)

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 (Age 3)

Poppy Wigglesworth

Charlotte (Age 9)

Emily Cohen

Harryo

Mercy Fiennes Tiffin

Little G

Saul Dibb

Director

Carolyn Marks Blackwood

Executive Producer

Amanda Foreman

Executive Producer

Christine Langan

Executive Producer