The Phantom of the Opera (1925) - Full Movie

At the Opera of Paris, a mysterious phantom threatens a famous lyric singer, Carlotta and thus forces her to give up her role (Marguerite in Faust) for unknown Christine Daae.
Christine meets this phantom (a masked man) in the catacombs, where he lives.

The Phantom of the Opera is in the public domain, and it can be downloaded here for free
www.archive.org/details/ThePhantomoftheOpera