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Christopher Lloyd turns 74 on Oct. 22, 2012. The actor is best known for his role as Dr. Emmett 'Doc' Brown in the 'Back To The Future' movies. He has also starred in films such as 'The Addams Family' and its first sequel, 'Who Framed Roger Rabbit?,' 'Bad Girls from Valley High' and 'Piranha 3DD' and recently filmed a new TV pilot called 'Kings of Van Nuys' with John Leguizamo.
(Pictured: Christopher Lloyd appears in a scene from the 1989 movie 'Back To The Future Part II.')