A new adventure for the Dumas musketeers who this time must save the Infanta of Spain from the intrigues of the Prince of Condé who wants to take the throne at any cost. (This film is a compendium edit made from episodes of the television series "I tre moschettieri")

Jeffrey Stone
D'Artagnan
Paul Campbell
Aramis

Sebastian Cabot
Porthos

Domenico Modugno
Athos

Marina Berti
Jacqueline Planchet

Paul Müller
Captain de Tréville

Tamara Lees
Countess Margot le Brun

Paola Borboni
Maria, Queen of France
Carlo Rizzo
Louis XIII, King of France

Enzo Fiermonte
Prince of Condé

Carlo Giustini

Alessandro Fersen
Liana Del Balzo
Michael Tor

Edmon Ryan