Wikipedia: "London After Midnight (1927) aka The Hypnotist is a silent mystery film with horror overtones produced and distributed by Metro-Goldwyn-Mayer. The film stars Lon Chaney, Marceline Day, Conrad Nagel, Henry B. Walthall, and Polly Moran and was directed by Tod Browning. It is also a lost film, quite possibly the most famous and eagerly-sought of all lost films. The last known copy was destroyed in a fire in an MGM film vault in 1967. It is hoped that eventually a print of this film may be discovered in a foreign archive or a private collection.
In 2002, Turner Classic Movies commissioned famed restoration producer Rick Schmidlin (Greed, Touch of Evil) to produce a 45 min. reconstruction of the film, using still photographs. This was well received by horror fans and Schmidlin received the Rondo Award for his efforts."