Peter MacNicol
Biography
Peter MacNicol 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). MacNicol was born in Dallas, Texas, on April 10, 1954. He attended the University of Dallas and the University of Minnesota, where he studied theater. After graduating, he moved to New York City to pursue an acting career. MacNicol made his Broadway debut in 1981 in the play Crimes of the Heart. He won a Theatre World Award for his performance. He went on to appear in a number of other Broadway productions, including The Real Thing (1984), The Crucible (1996), and The Pillowman (2005). MacNicol has also had a successful career in film and television. He has appeared in a number of films, including Sophie's Choice (1982), Ghostbusters II (1989), Addams Family Values (1993), and Bean (1997). He is best known for his role as the eccentric lawyer John Cage in the FOX comedy-drama Ally McBeal (1997–2002), for which he won a Primetime Emmy Award for Outstanding Supporting Actor in a Comedy Series in 2001. MacNicol has also appeared in a number of other television shows, including 24 (2001), Numbers (2005), and Veep (2012-2019). He is a versatile actor who has shown his range in a variety of roles. MacNicol is married to Martha Cumming, and they have two children. He is a member of the Actors' Equity Association and the Screen Actors Guild.
Known For

Grey's Anatomy

American Dad!

American Dad!

American Dad!

24

Marvel's Agents of S.H.I.E.L.D.

Young Justice

Young Justice
All Movies (39)
- Shell2025 · as Dr. Thaddeus Brand
- The Day the Earth Blew Up: A Looney Tunes Movie2024 · as The Invader (voice)
- Home Delivery2024 · as Howard Evans
- Our (Almost Completely True) Love Story2023 · as Psycho Date
- Secret of the Sundrop2018 · as Nigel the Advisor
- Scooby-Doo! Stage Fright2013 · as Dewey Ottman (voices)
- Battleship2012 · as Secretary of Defense
- Game Change2012 · as Rick Davis
- Spider-Man: Re-Animated2009 · as Self
- The Spectacular Spider-Man: Attack of the Lizard2008 · as Otto Octavius/Doctor Octopus (voice)
- Stuart Little 3: Call of the Wild2005 · as Troopmaster (voice)
- Breakin' All the Rules2004 · as Philip Gascon
- Balto: Wolf Quest2002 · as Muru (voice)
- Recess: School's Out2001 · as Fenwick (voice)
- The Pooch and the Pauper2000 · as Liberty (voice)
- Snowden's Christmas1999 · as Snowden (voice)
- Olive, the Other Reindeer1999 · as Fido (voice)
- Baby Geniuses1999 · as Dan
- The Secret of NIMH 2: Timmy to the Rescue1999 · as Narrator (voice)
- Silencing Mary1998 · as Lawrence Dixon
- Bean1997 · as David Langley
- Mojave Moon1996 · as Tire Repairman
- Abducted: A Father's Love1996 · as Roy Dowd
- Dracula: Dead and Loving It1995 · as Thomas Renfield
- Radioland Murders1994 · as Son Writer
- Roswell1994 · as Lewis Rickett
- Addams Family Values1993 · as Gary Granger
- Housesitter1992 · as Marty
- Hard Promises1992 · as Stuart
- By Dawn's Early Light1990 · as Sedgwick
- American Blue Note1989 · as Jack Solow
- Ghostbusters II1989 · as Dr. Janosz Poha
- Voices & Visions: Walt Whitman1988 · as Narrator
- Heat1986 · as Cyrus Kinnick
- Johnny Bull1986 · as Joe Kovacs
- The Boy Who Left Home to Find Out About the Shivers1984 · as Martin
- Sophie's Choice1982 · as Stingo
- Dragonslayer1981 · as Galen
- Floss— · as Dr. Rivus
All TV Shows (48)
- All's Fair2025 · as Robert DeLancie
- All Rise2019 · as Albert Campbell
- Rapunzel's Tangled Adventure2017 · as Nigel the Advisor (voice)
- A Series of Unfortunate Events2017 · as Ishmael
- CSI: Cyber2015 · as Simon Sifter
- Star Wars Rebels2014 · as Tseebo (voice)
- Marvel's Agents of S.H.I.E.L.D.2013 · as Professor Elliott Randolph
- The Mindy Project2012 · as Rabbi Adler
- Veep2012 · as Jeff Kane
- Doc McStuffins2012 · as Egghead (voice)
- Fairly Legal2011 · as Judge Smollet
- Young Justice2010 · as Professor Ivo / M.O.N.Q.I. (voice)
- G.I. Joe: Renegades2010 · as Firefly (voice)
- Young Justice2010 · as Professor Ivo / Amazo / M.O.N.Q.I. (voice)
- Young Justice2010 · as Professor Ivo (voice)
- Ben 10: Ultimate Alien2010 · as Oliver / Forever Knight #1 (voice)
- The Spectacular Spider-Man2008 · as Otto Octavius (voice)
- The Spectacular Spider-Man2008 · as Otto Octavius / Doctor Octopus (voice)
- The Spectacular Spider-Man2008 · as Doctor Octopus (voice)
- The Spectacular Spider-Man2008 · as Master Planner (voice)
- The Spectacular Spider-Man2008 · as Master Planner / Otto Octavius (voice)
- The Spectacular Spider-Man2008 · as Master Planner / Doctor Octopus (voice)
- The Big Bang Theory2007 · as Robert Wolcott
- Grey's Anatomy2005 · as Robert Stark
- American Dad!2005 · as Old Man Hanson (voice)
- American Dad!2005 · as Santa's Elf (voice)
- American Dad!2005 · as Angel (voice)
- Numb3rs2005 · as Larry Fleinhardt
- Boston Legal2004 · as Dr. Sydney Field
- The Batman2004 · as Langstrom (voice)
- Justice League Unlimited2004 · as David Clinton (voice)
- Danny Phantom2004 · as Sidney Poindexter (voice)
- The Lyon's Den2003
- 242001 · as Tom Lennox
- Harvey Birdman, Attorney at Law2000
- Harvey Birdman, Attorney at Law2000 · as X the Eliminator (voice)
- Harvey Birdman, Attorney at Law2000 · as X, the Eliminator (voice)
- Buzz Lightyear of Star Command2000 · as Major (voice)
- The Wild Thornberrys1998 · as Raju / Monkey (voice)
- CatDog1998 · as Runt (voice)
- Ally McBeal1997 · as John Cage
- The Angry Beavers1997
- Chicago Hope1994 · as Alan Birch
- The Powers That Be1992 · as Bradley Grist
- Tales from the Crypt1989 · as Austin Haggard (segment "Let the Punishment Fit the Crime")
- The Days and Nights of Molly Dodd1987 · as Steve Cooper
- Cheers1982 · as Mario
- Faerie Tale Theatre1982 · as Martin