Walter Abel
— D'Artagnan
Margot Grahame
— Milady de Winter
Paul Lukas
— Athos
Moroni Olsen
— Porthos
Onslow Stevens
— Aramis
Heather Angel
— Constance
Ian Keith
— Count de Rochefort
Rosamond Pinchot
— Queen Anne
John Qualen
— Planchet
Ralph Forbes
— Duke of Buckingham
Nigel De Brulier
— Richelieu
Murray Kinnell
— Bernajou
Lumsden Hare
— De Treville
Miles Mander
— King Louis XIII
Lionel Belmore
— Inn Proprietor
Stanley Blystone
— Villard
Wade Boteler
— Peylerand
Ralph Faulkner
— Jussac
Frank Lackteen
— Paris Gate Watch
Ferdinand Munier
— First Innkeeper
Russ Powell
— The Shepherd
Tom Ricketts
— Pigeon Receiver
Cliff Saum
— Palace Guard
Lucille Ball
— (uncredited)
Viola Moore
— (uncredited)