Stewart Granger
Beau Brummell
Acting
Elizabeth Taylor
Lady Patricia
Acting
Peter Ustinov
George, Prince of Wales
Acting
Robert Morley
King George III
Acting
James Donald
Lord Edwin Mercer
Acting
James Hayter
Mortimer
Acting
Rosemary Harris
Mrs. Fitzherbert
Acting
Paul Rogers
William Pitt
Acting
Noel Willman
Lord Byron
Acting
Peter Dyneley
Midger
Acting
Charles Carson
Sir Geoffrey Baker
Acting
Ernest Clark
Dr. Warren
Acting
Peter Bull
Mr. Fox
Acting
Mark Dignam
Mr. Burke
Acting
Desmond Roberts
Colonel
Acting
David Horne
Thurlow
Acting
Ralph Truman
Sir Ralph Sidley
Acting
George De Warfaz
Dr. Dubois
Acting
Henry Oscar
Dr. Willis
Acting
Harold Kasket
Mayor
Acting
Howard Lang
Hecker (uncredited)
Acting