The Young Mr. Pitt

Robert Donat

— William Pitt / The Earl of Chatham

Robert Morley

— Charles James Fox

Phyllis Calvert

— Eleanor Eden

John Mills

— William Wilberforce

Geoffrey Atkins

— William Pitt, as a boy

Jean Cadell

— Mrs. Sparry

Raymond Lovell

— George the Third

Agnes Lauchlan

— Queen Charlotte

Felix Aylmer

— Lord North

Ian McLean

— Dundas

Max Adrian

— Richard Sheridan

A. Bromley Davenport

— Sir Evan Nepean

John Salew

— Smith

Herbert Lom

— Napoleon

Albert Lieven

— Talleyrand

Stephen Haggard

— Lord Nelson

Stuart Lindsell

— Earl Spencer

Henry Hewitt

— Addington

Frederick Culley

— Sir Wm. Farquhar

Frank Pettingell

— Coachman

Leslie Bradley

— Gentleman Jackson

Roy Emerton

— Dan Mendoza

Hugh McDermott

— Mr. Melvill

Alfred Sangster

— Lord Grenville

Kathleen Byron

— Millicent Grey (uncredited)

Leo Genn

— Danton (uncredited)

Hugh Ardale

— Naval Officer

Neal Arden

Johnny Brandon

Esma Cannon

— Servant at Lord Auckland's