A United Kingdom

Theo Landey as Nash Jessica Oyelowo as Lady Lilly Canning Anastasia Hille as Dot Williams Zackary Momoh as Oluwu Nicholas Rowe as Fenner Brockway Kevin Hand as Manager Julian Firth as Mr. Speaker Jack Davenport as Sir Alistair Canning Nicholas Lyndhurst as George Williams Ray Burnet as Reverend Leonard Patterson Rupert Vansittart as Sir Ian Fraser Femi Ogunbanjo as Man from Rhodesia Paul Putner as Porter Danny Babington as Reporter Dave Perry as Idiot Rosamund Pike as Ruth Williams-Khama Charlotte Hope as Olivia Lancaster Jack Lowden as Tony Benn Will Featherstone as Reporter David Oyelowo as Seretse Khama Dean Roberts as Idiot Vusi Kunene as Tshekedi Khama Michael Howe as Terence Bernard Donald Molosi as Kabelo Duncan Wisbey as Commonwealth Under-Secretary Merveille Lukeba as Joe Appiah Craig Whittaker as Idiot Tom Felton as Rufus Lancaster Laura Carmichael as Muriel Williams Arnold Oceng as Charles Billy Boyle as Reverend James Manners Anton Lesser as Prime Minister Attlee James Northcote as Roberts Abena Ayivor as Ella Khama

Simon Bowles Production Design Mike Prestwood Smith Sound Re-Recording Mixer Sam McCurdy Director of Photography Patrick Doyle Original Music Composer Rick McCallum Producer Amma Asante Director David Oyelowo Producer Jenny Beavan Costume Design Brunson Green Producer Ray Nicholas Stunt Coordinator