Lady Caroline Lamb
Sarah Miles
William Lamb
Jon Finch
Minister
Peter Bull
Black Pug
Roy Stewart
Lord Holland
Michael Wilding
Potter
Charles Carson
Lady Pont
Sonia Dresdel
St. John
Nicholas Field
Girl in Blue
Felicity Gibson
Apothecary
Robert Harris
Radical
Richard Hurndall
Irish housekeeper
Paddy Joyce
George Gordon, Lord Byron
Richard Chamberlain
Benson
Bernard Kay
Miss Fairfax
Janet Key
Coachman
Mario Maranzana
ADC to Wellington
Robert Mill
Restaurant functionary
Norman Mitchell
Murray
John Moffatt
Agent
Trevor Peacock
Mrs. Buller
Maureen Pryor
Lady Holland
Fanny Rowe
Buckham
Stephen Sheppard
Canning
John Mills
Admiral
Ralph Truman
Guest (uncredited)
Jack Carter
Lady Melbourne
Margaret Leighton
Lady Bessborough
Pamela Brown
Miss Milbanke
Silvia Monti
George IV
Ralph Richardson
Duke of Wellington
Laurence Olivier
Caterina Boratto
Second Assistant Director
Michael Stevenson
Executive Producer
Franco Cristaldi
Director
Robert Bolt
Screenplay
Director of Photography
Oswald Morris
Producer
Fernando Ghia
Bernard Williams
Editor
Norman Savage
Original Music Composer
Richard Rodney Bennett