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 David Fynn Jos Sedley 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 Siena Kelly Rhoda Swartz Actor Julia Stannard Producer James Strong Director, Executive Producer Gwyneth Hughes Executive Producer Tom Mullens Executive Producer Damien Timmer Executive Producer