- Douglas Fairbanks
- D'Artagnan
- Belle Bennett
- The Queen Mother
- Marguerite De La Motte
- Constance
- Dorothy Revier
- Milady de Winter
- Vera Lewis
- Madame Peronne
- Rolfe Sedan
- Louis XIII
- William Bakewell
- Louis XIV / Twin Brother
- Gordon Thorpe
- Young Prince / Twin Brother
- Nigel De Brulier
- Cardinal Richelieu
- Ullrich Haupt
- De Rochefort
- Lon Poff
- Father Joseph
- Charles Stevens
- Planchet - D'Artagnan's Servant
- Henry Otto
- The King's Valet
- Léon Bary
- Athos
- Tiny Sandford
- Porthos
- Gino Corrado
- Aramis
- Edgar Caldwell
- Undetermined Secondary Role
- Fred Cavens
- DeRochefort's Ruffian
- Madame Chalif
- Lady of the Court
- Paul d'Estournelles de Constant
- Undetermined Secondary Role
- Princess Galitzine
- Lady of the Court
- Edward Gazelle
- Boy
- Frankie Genardi
- Little Boy
- Francis McDonald
- Fisherman
- Helen Parrish
- Village Child
- Robert Parrish
- Page
- Philip Sleeman
- DeRochefort's Ruffian
- Florence Turner
- Abbess
- Ellinor Vanderveer
- Lady of the Court
