Olivia Cooke Becky Sharp Actor Johnny Flynn William Dobbin Actor Claudia Jessie Amelia Sedley Actor Simon Russell Beale Mr Sedley Actor Martin Clunes Sir Pitt Crawley Actor Frances de la Tour Miss Matilda Crawley Actor David Fynn Jos Sedley Actor Anthony Head Lord Steyne Actor Suranne Jones Miss Pinkerton Actor Charlie Rowe George Osborne Actor Claire Skinner Mrs Sedley Actor Tom Bateman Rawdon Crawley Actor Michael Palin William Makepeace Thackery Actor James Strong Director Julia Stannard Producer Gwyneth Hughes Writer