Werewolf of London is a 1935 horror film directed by Stuart Walker and starring Henry Hull as the titular werewolf. The supporting cast includes Warner Oland, Valerie Hobson, Lester Matthews, and Spring Byington. Jack Pierce, who is best known for creating the iconic makeup worn by Boris Karloff in the 1931 film Frankenstein, created the film's werewolf makeup. Produced by Universal Pictures, Werewolf of London was the first feature-length werewolf film.