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)