All Cast
Sarah Miles
Lady Caroline Lamb
Jon Finch
William Lamb
Richard Chamberlain
George Gordon, Lord Byron
John Mills
Canning
Margaret Leighton
Lady Melbourne
Pamela Brown
Lady Bessborough
Silvia Monti
Miss Milbanke
Ralph Richardson
George IV
Laurence Olivier
Duke of Wellington
Caterina Boratto
Peter Bull
Minister
Roy Stewart
Black Pug
Michael Wilding
Lord Holland
Charles Carson
Potter
Sonia Dresdel
Lady Pont
Nicholas Field
St. John
Felicity Gibson
Girl in Blue
Robert Harris
Apothecary
Richard Hurndall
Radical
Paddy Joyce
Irish housekeeper
Bernard Kay
Benson
Janet Key
Miss Fairfax
Mario Maranzana
Coachman
Robert Mill
ADC to Wellington
Norman Mitchell
Restaurant functionary
John Moffatt
Murray
Trevor Peacock
Agent
Maureen Pryor
Mrs. Buller
Fanny Rowe
Lady Holland
Stephen Sheppard
Buckham
Ralph Truman
Admiral