Saul Dibb Director, Screenwriter Keira Knightley Georgiana Spencer, Duchess of Devonshire Actor Ralph Fiennes The Duke of Devonshire Actor Charlotte Rampling Lady Spencer Actor Dominic Cooper Charles Grey Actor Hayley Atwell Bess Actor Simon McBurney Charles Fox Actor Aidan McArdle Richard Sheridan Actor John Shrapnel Gen. Grey Actor Alistair Petrie Heaton Actor Jeffrey Hatcher Screenwriter Anders Thomas Jensen Screenwriter Gabrielle Tana Producer Michael Kuhn Producer Carolyn Marks Blackwood Executive Producer François Ivernel Executive Producer Cameron McCracken Executive Producer Christine Langan Executive Producer David M. Thompson Executive Producer Gyula Pados Cinematographer Masahiro Hirakubo Film Editing Rachel Portman Original Music Michael Carlin Production Design Karen Wakefield Art Director Rebecca Alleway Set Decoration Lucy Bevan Casting Michael O'Connor Costume Design