Dr. Jekyll and Mr. Hyde is a 1920 horror silent film, produced by Famous Players-Lasky and released through Paramount/Artcraft. The film is based upon Robert Louis Stevenson's novella The Strange Case of Dr Jekyll and Mr Hyde and starring actor John Barrymore.
The film was directed by John S. Robertson and co-starred Nita Naldi. The scenario was by Clara Beranger and the film is now in the public domain.
This story of split personality has Dr. Jekyll a kind and charitable man who believes that everyone has two sides, one good and one evil. Using a potion, his personalities are split, creating havoc.