Lon Chaney is the disfigured genius haunting the Paris Opera House, obsessed with a young soprano, in the classic 1925 silent chiller.

Public domain (US): Published 1925; all works published in the US before 1931 (and foreign works published before 1931) are public domain in the US (95-year term expired). Source: Internet Archive (https://archive.org/details/ThePhantomoftheOpera).