
Robert Donat
William Pitt / The Earl of Chatham
Acting

Robert Morley
Charles James Fox
Acting

Phyllis Calvert
Eleanor Eden
Acting

John Mills
William Wilberforce
Acting
![Geoffrey Atkins]()
Geoffrey Atkins
William Pitt, as a boy
Acting

Jean Cadell
Mrs. Sparry
Acting

Raymond Lovell
George the Third
Acting

Agnes Lauchlan
Queen Charlotte
Acting

Felix Aylmer
Lord North
Acting

Max Adrian
Richard Sheridan
Acting

A. Bromley Davenport
Sir Evan Nepean
Acting

Herbert Lom
Napoleon
Acting

Albert Lieven
Talleyrand
Acting
![Stephen Haggard]()
Stephen Haggard
Lord Nelson
Acting
![Stuart Lindsell]()
Stuart Lindsell
Earl Spencer
Acting

Henry Hewitt
Addington
Acting

Frederick Culley
Sir Wm. Farquhar
Acting

Frank Pettingell
Coachman
Acting

Leslie Bradley
Gentleman Jackson
Acting

Roy Emerton
Dan Mendoza
Acting

Hugh McDermott
Mr. Melvill
Acting
![Alfred Sangster]()
Alfred Sangster
Lord Grenville
Acting

Kathleen Byron
Millicent Grey (uncredited)
Acting

Leo Genn
Danton (uncredited)
Acting
![Hugh Ardale]()
Hugh Ardale
Naval Officer
Acting

Esma Cannon
Servant at Lord Auckland's
Acting
![H. Carleton-Crowe]()
H. Carleton-Crowe
Old Man
Acting

Leslie Dwyer
Servant at Lord Auckland's
Acting

Peter Gawthorne
Admiral
Acting

Muriel George
Mrs. Carr
Acting

James Harcourt
Bellamy
Acting
![Max Kirby]()
Max Kirby
3rd Secretary
Acting

Frederick Leister
Lord Auckland
Acting

Aubrey Mallalieu
Somerset
Acting

Gibb McLaughlin
George Selwyn
Acting
![Gertrude Maesmore Morris]()
Gertrude Maesmore Morris
Lady in Waiting
Acting

Ronald Shiner
Man in Stocks
Acting

Merle Tottenham
Maid at Lord Auckland's
Acting

Austin Trevor
French Registrar
Acting

Margaret Vyner
Duchess of Devonshire
Acting

Jack Watling
Atkinson
Acting