Peter MacNicol is an American actor. In film, he is best known for the roles of Janosz Poha in Ghostbusters II, Stingo in Sophie's Choice and David Langley in Bean: the Ultimate Disaster Movie. For television, he is best known for the roles of the eccentric lawyer John Cage in the FOX comedy-drama Ally McBeal, as Tom Lennox in the sixth season of action-thriller 24, Alan Birch in the medical drama Chicago Hope, and as physicist Dr. Larry Fleinhardt in the CBS crime drama NUMB3RS.
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