Cast
John Mills
William Wilberforce
John Slater
Gordon James
Frederick Leister
Lord Auckland
J.H. Roberts
Edmund Willard
Robert Morley
Charles James Fox
Leo Genn
Danton (uncredited)
Esma Cannon
Servant at Lord Auckland's
Jean Cadell
Mrs. Sparry
Albert Lieven
Talleyrand
Morland Graham
Bruce Winston
Leslie Bradley
Gentleman Jackson
Hugh McDermott
Mr. Melvill
Peter Gawthorne
Admiral
David Horne
Mayor
Phyllis Calvert
Eleanor Eden
Austin Trevor
French Registrar
Johnnie Schofield
Henry Hewitt
Addington
Roy Emerton
Dan Mendoza
Felix Aylmer
Lord North
Herbert Lom
Napoleon
James Kenney
Merle Tottenham
Maid at Lord Auckland's
Robert Donat
William Pitt / The Earl of Chatham
Frederick Culley
Sir Wm. Farquhar
Frank Pettingell
Coachman
Margaret Vyner
Duchess of Devonshire
Raymond Lovell
George the Third
James Harcourt
Bellamy
Gibb McLaughlin
George Selwyn
Max Adrian
Richard Sheridan
A. Bromley Davenport
Sir Evan Nepean
Ronald Shiner
Man in Stocks
Ian McLean
Dundas
John Salew
Smith
Philip Friend
Leslie Dwyer
Servant at Lord Auckland's
Muriel George
Mrs. Carr
Charles Paton
Esme Percy
Kynaston Reeves
Ann Stephens
Frederick Valk
Jack Watling
Atkinson
Aubrey Mallalieu
Somerset
Kathleen Byron
Millicent Grey (uncredited)