Beau Brummell

Stewart Granger

Acting

Lady Patricia

Elizabeth Taylor

Acting

George, Prince of Wales

Peter Ustinov

Acting

King George III

Robert Morley

Acting

Lord Edwin Mercer

James Donald

Acting

Mortimer

James Hayter

Acting

Mrs. Fitzherbert

Rosemary Harris

Acting

William Pitt

Paul Rogers

Acting

Lord Byron

Noel Willman

Acting

Midger

Peter Dyneley

Acting

Sir Geoffrey Baker

Charles Carson

Acting

Dr. Warren

Ernest Clark

Acting

Mr. Fox

Peter Bull

Acting

Mr. Burke

Mark Dignam

Acting

Colonel

Desmond Roberts

Acting

Thurlow

David Horne

Acting

Sir Ralph Sidley

Ralph Truman

Acting

Dr. Dubois

George De Warfaz

Acting

Dr. Willis

Henry Oscar

Acting

Mayor

Harold Kasket

Acting

Hecker (uncredited)

Howard Lang

Acting