While researching a new drug, Dr. Jack Griffin stumbles on a potion that can make him invisible. When he reveals his new ability to his old mentor and his fiancé, it's clear that a side effect of the potion is insanity. Jack goes on a violent rampage, and the police struggle to hunt him down, unable to see their target, while his mentor and his former partner desperately try to devise a plan to capture him. Directed by James Whale. screenplay by R.C. Sherriff based on the H.G. Wells novel. Starring Claude Rains, Gloria Stuart and William Harrigan. Click for other version of poster