Dr. Jekyll and Mr. Hyde - J.S. Robertson (1920)

Dr. Henry Jekyll experiments with scientific means of revealing the hidden, dark side of man and releases a murderer from within himself. Film based on the classic of Robert Louis Stevenson's "The Strange Case of Dr Jekyll and Mr Hyde". This is a 1920 version, directed by John S. Robertson. It's in public domain and available at Public Domain Torrents.

http://video.google.es/videoplay?docid=6267850461291367895