Christopher Lloyd is an American actor with a relatively long career. His better known roles include drug-using taxicab driver Jim Ignatowski in the sitcom Taxi (1978), Klingon Commander Kruge in Star Trek III: The Search for Spock (1984), inventor Dr. Emmett "Doc" Brown in the Back to the Future trilogy (1985-1990), the evil Judge Doom in Who Framed Roger Rabbit (1988), and deranged Uncle Fester in The Addams Family (1991) and Addams Family Values (1993).