The Fifth Musketeer is a 1979 film adaptation of the last section of the novel The Vicomte de Bragelonne by Alexandre Dumas, père, which is itself based on the French legend of the Man in the Iron Mask.It was directed by Ken Annakin, and stars Beau Bridges as the twins, Sylvia Kristel as Maria Theresa, Cornel Wilde as D'Artagnan, Ian McShane as Fouquet, Rex Harrison as Colbert (Philippe's tutor), and Lloyd Bridges, José Ferrer and Alan Hale, Jr. as the Three Musketeers.