| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alex Vetchinsky | Crew | Art | Art Direction |
B. C. Sewell | Crew | Sound | Sound Director |
Biddy Chrystal | Crew | Costume & Make-Up | Hairstylist |
 Carol Reed | Crew | Directing | Director |
 Cecil Beaton | Crew | Costume & Make-Up | Costume Design |
Charles Williams | Crew | Sound | Music |
Edward Black | Crew | Production | Producer |
Elizabeth Haffenden | Crew | Costume & Make-Up | Costume Design |
 Frank Launder | Crew | Writing | Screenplay |
 Freddie Young | Crew | Camera | Director of Photography |
Louis Levy | Crew | Sound | Music Director |
Maurice Ostrer | Crew | Production | Producer |
R. E. Dearing | Crew | Editing | Editor |
 Sidney Gilliat | Crew | Writing | Screenplay |
Viscount Castlerosse | Crew | Crew | Additional Dialogue |
A. Bromley Davenport | Cast | Actor | Sir Evan Nepean |
Agnes Lauchlan | Cast | Queen Charlotte | |
 Albert Lieven | Cast | Actor | Talleyrand |
 Alf Goddard | Cast | Actor | |
 Aubrey Mallalieu | Cast | Actor | Somerset |
 Austin Trevor | Cast | Actor | French Registrar |
Billy Holland | Cast | ||
 Bruce Winston | Cast | Actor | |
 Charles Paton | Cast | Actor | |
 D.J. Williams | Cast | Actor | |
 David Horne | Cast | Actor | Mayor |
 Edmund Willard | Cast | Actor | |
 Esma Cannon | Cast | Actress | Servant at Lord Auckland's |
 Esme Percy | Cast | Actor | |
 Felix Aylmer | Cast | Actor | Lord North |
 Frank Pettingell | Cast | Actor | Coachman |
 Frederick Culley | Cast | Actor | Sir Wm. Farquhar |
 Frederick Leister | Cast | Actor | Lord Auckland |
 Frederick Valk | Cast | Actor | |
 Gibb McLaughlin | Cast | Actor | George Selwyn |
 Gordon James | Cast | Actor | |
Grant Tyler | Cast | Boy | |
 Henry Hewitt | Cast | Actor | Addington |
 Herbert Lom | Cast | Actor | Napoleon |
 Hugh McDermott | Cast | Actor | Mr. Melvill |
 Ian McLean | Cast | Actor | Dundas |
 J.H. Roberts | Cast | Actor | |
 Jack Watling | Cast | Actor | Atkinson |
 James Harcourt | Cast | Actor | Bellamy |
 James Kenney | Cast | Actor | |
 Jean Cadell | Cast | Actress | Mrs. Sparry |
 John Mills | Cast | Actor | William Wilberforce |
 John Salew | Cast | Actor | Smith |
 John Slater | Cast | Actor | |
 Johnnie Schofield | Cast | Actor | |
 Kathleen Byron | Cast | Actress | Millicent Grey (uncredited) |
 Kynaston Reeves | Cast | Actor | |
 Leo Genn | Cast | Actor | Danton (uncredited) |
 Leslie Bradley | Cast | Actor | Gentleman Jackson |
 Leslie Dwyer | Cast | Actor | Servant at Lord Auckland's |
Lloyd Pearson | Cast | Actor | |
 Margaret Vyner | Cast | Actress | Duchess of Devonshire |
 Max Adrian | Cast | Actor | Richard Sheridan |
 Merle Tottenham | Cast | Actress | Maid at Lord Auckland's |
 Morland Graham | Cast | Actor | |
 Muriel George | Cast | Actress | Mrs. Carr |
Neal Arden | Cast | Actor | |
 Peter Gawthorne | Cast | Actor | Admiral |
 Philip Friend | Cast | Actor | |
 Phyllis Calvert | Cast | Actress | Eleanor Eden |
 Raymond Lovell | Cast | Actor | George the Third |
 Robert Donat | Cast | Actor | William Pitt / The Earl of Chatham |
 Robert Morley | Cast | Actor | Charles James Fox |
 Ronald Shiner | Cast | Actor | Man in Stocks |
 Roy Emerton | Cast | Actor | Dan Mendoza |
Stephen Haggard | Cast | Actor | Lord Nelson |
Stuart Lindsell | Cast | Earl Spencer | |
W.E. Holloway | Cast | Actor | |
Hugh Ardale | Cast | Naval Officer | |
Geoffrey Atkins | Cast | William Pitt, as a boy | |
 Ann Stephens | Cast | Actress | |
Max Kirby | Cast | 3rd Secretary | |
Alfred Sangster | Cast | Lord Grenville | |
Owen Reynolds | Cast | ||
Gertrude Maesmore Morris | Cast | Lady in Waiting | |
Ralph Roberts | Cast | Actor | |
Johnny Brandon | Cast | ||
| Person | Type | Job | Role(s) |
