Colin Firth

King George VI

Geoffrey Rush

Lionel Logue

Helena Bonham Carter

Queen Elizabeth

Guy Pearce

King Edward VIII

Timothy Spall

Winston Churchill

Michael Gambon

King George V

Jennifer Ehle

Myrtle Logue

Derek Jacobi

Archbishop Cosmo Lang

Ramona Marquez

Princess Margaret

Richard Dixon

Private Secretary

Robert Portal

Equerry

Eve Best

Wallis Simpson

Paul Trussell

Chauffeur

Adrian Scarborough

BBC Radio Announcer

Andrew Havill

Robert Wood

Charles Armstrong

BBC Technician

Roger Hammond

Dr. Blandine Bentham

Calum Gittins

Laurie Logue

Dominic Applewhite

Valentine Logue

David Bamber

Theatre Director

Patrick Ryecart

Lord Wigram

Teresa Gallagher

Nurse

Simon Chandler

Lord Dawson

Claire Bloom

Queen Mary

Orlando Wells

Duke of Kent

Tim Downie

Duke of Gloucester

John Albasiny

Footman

Anthony Andrews

Stanley Baldwin

Julianne Buescher

Mrs. Cooper - Vocalist

Graham Curry

Infantry (uncredited)