The Iron Mask (1929) is a silent adventure film starring Douglas Fairbanks as the legendary Three Musketeers character, D'Artagnan. The film follows D'Artagnan's quest to rescue the imprisoned King Louis XIV, who is being held captive by his twin brother
From Wikipedia
The Iron Mask is a 1929 American part-talkie adventure film directed by Allan Dwan. In addition to some sequences with dialogue, the film featured a synchronized musical score with sound effects and a theme song.