Jim Broadbent Kempton Bunton Helen Mirren Dorothy Bunton Fionn Whitehead Jackie Bunton Matthew Goode Jeremy Hutchinson Aimée Kelly Irene Boslover Charlotte Spencer Pammy Jack Bandeira Kenny Bunton Anna Maxwell Martin Ms. Gowling Sian Clifford Dr. Unsworth John Heffernan Neddie Cussen Joshua McGuire Eric Crowther James Wilby Judge Aarvold Craig Conway Mr. Walker Richard McCabe Rab Butler Sam Swainsbury DI Brompton Andrew Havill Sir Philip Hendy Dorian Lough DI Macpherson Sarah Beck Mather Press Woman Heather Craney Debbie - Clerk of the Court Darren Charman The Duke of Wellington Stephen Rashbrook Foreman Alice Stokoe Woman with Babe Sarah Annett Post Office Clerk Michael Hodgson Barry Spence Charlie Richmond PO Official 1 Matt Sutton PO Official 2