Henry Watterson Hull (October 3, 1890 – March 8, 1977) born in Louisville, Kentucky was an American character actor perhaps best known for playing the lead in Universal Pictures "Werewolf of London" (1935). This came out six years before Lon Chaney Jr's famous portrayal of the wolfman in 1941's "The Wolfman". During Hulls career he was a lead actor on stage and a character actor on screen.

Jack Pierce's werewolf make-up was simpler than his version six years later for Lon Chaney, Jr. in "The Wolf Man".

"Werewolf of London" was the first Hollywood mainstream film to feature a werewolf. The film's supporting cast features Warner Oland, Valerie Hobson, Lester Matthews, and Spring Byington.

Wilfred Glendon (Henry Hull) is a wealthy and world-renowned English botanist who journeys to Tibet in search of the extremely rare selenotropic plant known as mariphasa lupine lumina. While there, he is attacked and bitten by a creature later revealed to be a werewolf, although he succeeds in acquiring a specimen of the mariphasa. Once back home in London he is approached by a fellow botanist, Dr. Yogami (Warner Oland), who claims to have met him in Tibet while also seeking the mariphasa. Yogami warns Glendon that the bite of a werewolf would cause him to become a werewolf as well, adding that the mariphasa is a temporary antidote for the disease. Yogami warned him that every full moon, you will turn into the beast!

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