Claude Rains stars as a mad scientist who stumbles upon a mysterious potion, in "The Invisible Man" (1933). Adapted from H.G. Well's classic tale, Jack Griffin, played by Rains, diligently works on a formula for disguising his body from the human eye. With the success of his experiment, Griffin returns to his old lab to present his findings to his mentor, played by Henry Travers, and ex-fiancee, played by Gloria Stewart. He insists his potion will render him far superior to all other humans, and when Griffin innocently begins wreaking havoc upon others, his pranks quickly turn into hideous murder.