Christopher Allen Lloyd (born October 22, 1938)is an American actor. Among his best-known roles are Emmett "Doc" Brown in the Back to the Future trilogy, Uncle Fester in The Addams Family and its sequel Addams Family Values, and Judge Doom in Who Framed Roger Rabbit. He rose to prominence in the 1980s as Jim Ignatowski in the television series Taxi. Lloyd has won three Primetime Emmy Awards and an Independent Spirit Award, and has been nominated for two Saturn Awards and a Daytime Emmy Award. He has also done voiceover work in animation, usually cast as villains due to his distinctive voice.