Robert Donat

Character: William Pitt / The Earl of Chatham

Robert Morley

Character: Charles James Fox

Phyllis Calvert

Character: Eleanor Eden

John Mills

Character: William Wilberforce

Geoffrey Atkins

Character: William Pitt, as a boy

Jean Cadell

Character: Mrs. Sparry

Raymond Lovell

Character: George the Third

Agnes Lauchlan

Character: Queen Charlotte

Felix Aylmer

Character: Lord North

Ian McLean

Character: Dundas

Max Adrian

Character: Richard Sheridan

A. Bromley Davenport

Character: Sir Evan Nepean

John Salew

Character: Smith

Herbert Lom

Character: Napoleon

Albert Lieven

Character: Talleyrand

Stephen Haggard

Character: Lord Nelson

Stuart Lindsell

Character: Earl Spencer

Henry Hewitt

Character: Addington

Frederick Culley

Character: Sir Wm. Farquhar

Frank Pettingell

Character: Coachman

Leslie Bradley

Character: Gentleman Jackson

Roy Emerton

Character: Dan Mendoza

Hugh McDermott

Character: Mr. Melvill

Alfred Sangster

Character: Lord Grenville

Kathleen Byron

Character: Millicent Grey (uncredited)

Leo Genn

Character: Danton (uncredited)

Hugh Ardale

Character: Naval Officer

Neal Arden

Character:

Johnny Brandon

Character:

Esma Cannon

Character: Servant at Lord Auckland's

H. Carleton-Crowe

Character: Old Man

Leslie Dwyer

Character: Servant at Lord Auckland's

Philip Friend

Character:

Peter Gawthorne

Character: Admiral

Muriel George

Character: Mrs. Carr

Alf Goddard

Character:

Morland Graham

Character:

James Harcourt

Character: Bellamy

Billy Holland

Character:

W.E. Holloway

Character:

David Horne

Character: Mayor

Gordon James

Character:

James Kenney

Character:

Max Kirby

Character: 3rd Secretary

Frederick Leister

Character: Lord Auckland

Aubrey Mallalieu

Character: Somerset

Gibb McLaughlin

Character: George Selwyn

Gertrude Maesmore Morris

Character: Lady in Waiting

Charles Paton

Character:

Lloyd Pearson

Character:

Esme Percy

Character:

Kynaston Reeves

Character:

Owen Reynolds

Character:

J.H. Roberts

Character:

Ralph Roberts

Character:

Johnnie Schofield

Character:

Ronald Shiner

Character: Man in Stocks

John Slater

Character:

Ann Stephens

Character:

Merle Tottenham

Character: Maid at Lord Auckland's

Austin Trevor

Character: French Registrar

Grant Tyler

Character: Boy

Frederick Valk

Character:

Margaret Vyner

Character: Duchess of Devonshire

Jack Watling

Character: Atkinson

Edmund Willard

Character:

D.J. Williams

Character:

Bruce Winston

Character: