Peter MacNicol (born April 10, 1954) is an American actor. He received a Theatre World Award for his 1981 Broadway debut in the play Crimes of the Heart. His film roles include Galen in Dragonslayer (1981), Stingo in Sophie's Choice (1982), Janosz Poha in Ghostbusters II (1989), camp counselor Gary Granger in Addams Family Values (1993), and David Langley in Bean (1997).