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Alan Rickman is an English stage and film actor. His film roles include Professor Severus Snape in the Harry Potter series of films, Hans Gruber in Die Hard, Metatron in Dogma and the Sheriff of Nottingham in Robin Hood: Prince of Thieves. He is known for a distinctive voice and line delivery style.
Rickman provides the voice of Marvin the Paranoid Android in The Hitchhiker's Guide to the Galaxy.