Jim Broadbent as Kempton Bunton

Helen Mirren as Dorothy Bunton

Fionn Whitehead as Jackie Bunton

Matthew Goode as Jeremy Hutchinson

Aimee Kelly as Irene Boslover

Charlotte Spencer as Pammy

Jack Bandeira as Kenny Bunton

Anna Maxwell Martin as Ms. Gowling

Sian Clifford as Dr. Unsworth

John Heffernan as Neddie Cussen

Joshua McGuire as Eric Crowther

James Wilby as Judge Aarvold

Craig Conway as Mr. Walker

Richard McCabe as Rab Butler

Sam Swainsbury as DI Brompton

Andrew Havill as Sir Philip Hendy

Dorian Lough as DI Macpherson

Sarah Beck Mather as Press Woman

Heather Craney as Debbie - Clerk of the Court

Darren Charman as The Duke of Wellington

Stephen Rashbrook as Foreman

Sarah Annett as Post Office Clerk

Michael Hodgson as Barry Spence

Cliff Burnett as Wilf

Val McLane as Freda

Ashley Kumar as Javid Akram

Michael Adams as

Will Graham as Office Worker

Philip Gascoyne as Press Photographer (uncredited)