Gunpowder

Imelda Staunton

Queen Elizabeth II

Jonathan Pryce

Prince Philip, Duke of Edinburgh

Lesley Manville

Princess Margaret

Dominic West

Prince Charles

Jonny Lee Miller

John Major

Claudia Harrison

Princess Anne

Marcia Warren

Queen Elizabeth the Queen Mother

Elizabeth Debicki

Princess Diana

Natascha McElhone

Penelope Knatchbull

Michael Buerk

Newsreader (voice)

John Humphrys

Newsreader (voice)

Andrew Havill

Robert Fellowes

Theo Fraser Steele

Timothy Laurence

Jamie Glover

Patrick Jephson

James Murray

Prince Andrew

Sam Woolf

Prince Edward

Emma Laird Craig

Sarah Ferguson

Flora Montgomery

Norma Major

Andre Nightingale

Kensington Palace Police Officer

Senan West

Prince William

Prasanna Puwanarajah

Martin Bashir

Humayun Saeed

Hasnat Khan

Philip Cumbus

Charles Spencer

Michael Jibson

Steve Hewlett

Blake Ritson

Andrew Gailey

Nicholas Gleaves

John Birt

Richard Cordery

Duke Hussey

Haydn Gwynne

Lady Susan Hussey

Stephen Cavanagh

Michael Robinson

Gerard Fletcher

Tony Poole

Rachel Fenwick

Hotel Receptionist

Jeany Spark

Birt's Assistant

Danielle Fiamanya

Carol Kenyon

Lynette Edwards

Lady Abel Smith

Andrew Mayer

Theatre Manager

Nancy Crane

Lady Airlie

Susan Brown

Lady Dugdale

Alison Skilbeck

Lady Elton

Julie Neubert

Mary Morrison

Marcus Brigstocke

Doctor

Olivia Williams

Camilla Parker Bowles