James Fleet

as King George III

as Tom

as Reverend Wakefield

as Tom

as John Dashwood

as Lefevre

as Martin

as Charles Fraser-Smith

as King George

as Sir Reginald DeCourcy

as John Constable

as Ralph Plummer

as Sir Victor Eisen

as Jeremy Tipping

as William

as Harry Price

as George Senior

as Chris Lowe

as John Ashdown-Hill

as Richard Cannerly

as Colonel Merrick

as Dad

as Simon

as Dr. Adam Crawford

as Dr. Alex Falconer

as Oscar Venables

as Michael Trant

as Richard

as Hugo Horton

as Mick Prentice Snr

as Mr Bennet

as Reverend Stephen Bellasis

as Archchancellor of Unseen University

as Hastings

as Frederick Dorrit

as Geoff

as Alan the Pipe

as Dr. Pilsen

as Paul Morgan

as Lord Hawthorne

as Carter

as Ministry Man

as Oswald

as Professor Stephens

as Bobby Botham

as Tom

as Kenneth Baker

as Teacher Mr. Banks

as Mr Darrow

as Lytton Strachey

as Mr. Perkins

as The Professor

as Tom

as George V

as John Stanton

as James Bland

as Colonel Fanshawe

as Captain Jack Pearson

as Jim Thorburn

as Inspector Limp

as Tom

as Maj. Bates

as Neil Fairfax (uncredited)

as Sir Harry

as Squire Allworthy

as Moreland

as Peter Wentworth

as Derek Abshire

as Harry Roberts

as Oliver Lawrence

as Wassily Kandinsky (voice)

as Findlay Morrison

as Hugo Compton

as James Grahame

as Prime Minister

as Various

as Ronnie Millar

as Adrian

as Simon

as Patrick Conway

as Alan Jenkins

as Donald

as Hugh Bonning

as Hugo Horton (archive footage) (uncredited)

as Alderman Fitzwarren

as Hugo Horton

as Hugo Horton (archive footage) (uncredited)

as Professor Stephens

as James Bland

as James Grahame

as Simon Lidell

as Algie

as Michael Prendergast

as Dr. Willy Dekoven

as Narrator

as Neil Turnbull

as Bob

as Kulygin

as Judge Fang

as Judge Fang

as Judge Fang

as Self

as Self - Narrator (voice)