James Young
Beau Brummel
Clara Kimball Young
Helen Ballarat
Charles Chapman
The Prince of Wales
Julia Swayne Gordon
The Duchess
Edwin R. Phillips
Lord Ballarat (as E.R. Phillips)
James Morrison
Lord Alvanley
Etienne Girardot
Isadore - Brummel's Valet
Richard Leslie
Lord Beaconsfield (as Dick Leslie)
Helene Costello
Child (uncredited)
Rex Ingram
