Christopher Allen Lloyd is a veteran American actor with the best part of 200 screen credits stretching back to 1975's One Flew Over the Cuckoo's Nest. As in his debut, wild and crazy has been a hallmark of his characters, certainly those best-loved and remembered, like Doc Emmett Brown in the Back to the Future franchise, or Reverend Jim Ignatowski in Taxi. His more recent appearances include Cyberchase, Raising Hope and Granite Flats. He portrayed Martin Kahn on the USA Network series Psych in the episode "100 Clues".