television credits

Actor
Game Change (2012) -- Rick Davis
Numb3rs (2005-2010) -- Dr. Larry Fleinhardt
24 (2007) -- Thomas Lennox
This Just In (animated, 2004) -- Craig Tindle
Crazy Love (2003, unaired pilot) -- husband
The Ponder Heart (2001) -- Uncle Daniel
Ally McBeal (1997-2002) -- John Cage
Snowden's Christmas (animated, 1999) -- Snowden
The Pooch and the Pauper (1999) -- voice of Liberty
Olive the Other Reindeer (animated, 1999) -- Fido,-the Flea
Silencing Mary (1998) -- Lawrence Dixon
Abducted: A Father's Love (1996) -- Roy Dowd
Chicago Hope (1994-1995) -- Alan Birch
Roswell: The UFO Coverup (1994) -- Lewis Rickett
The Powers that Be (1992) -- Bradley Grist
By Dawn's Early Light (1990) -- Sedgwicke
Johnny Bull (1986) -- Joe Kovacs
Many Happy Returns (1985) -- Barney

Guest appearances
Grey's Anatomy (2010-11) -- Dr. Robert Stark
---"White Wedding"
---"This Is How We Do It"; "It's a Long Way Back"
---"Disarm"; "Not Responsible"
---"Something's Gotta Give"; "Slow Night, So Long"
24: Redemption (Nov. 2008) -- Thomas Lennox
Boston Legal -- Dr. Sydney Fields
---"Race Ipsa," April 25, 2006
The Lyon's Den -- Darryl Nicks
---"The Quantum-Theory," filmed Nov. 2003 (not aired in the
---USA, aired Sept. 2004 in Australia)
Chicago Hope -- Alan Birch
---100th episode: 5.5. "One Hundred and One Damnations,"
-- Oct. 28, 1998
Tales from the Crypt -- Austin Haggard
---6.1. "Let the Punishment Fit the Crime," 1994
Cheers -- Mario
---11.20. "Look Before You Sleep," 1993
The Days and Nights of Molly Dodd -- Steve Cooper
---1.8. "Here's Why They Call the Little One a Jingle and the
---Big One the Blues," 1987
Faerie Tale Theatre -- Martin
---"The Boy Who Left Home to Find Out About the Shivers,"
---1984

Guest appearances -- animated
Young Justice -- Professor Ivo/Amazo
---"Schooled" 2011
The Spectacular Spider-Man -- Dr. Octopus, Master Planner
---"Shear Strength," "Accomplices," "Gangland" 2009
---"Blueprints," "Destructive Testing," "Reinforcement" 2009
---"Reaction," "Group Therapy," 2008
---"The Invisible Hand," "Catalysts," 2008
---"Survival of the Fittest," "Competition," 2008
Rugrats: All Grown Up -- Armadillo Dave, doll voice
---"Super Hero Worship," Nov. 2007
Justice League Unlimited -- Chronos
---"The Once and Future Thing," Pts. 1 & 2, 2005
The Batman -- Dr. Kirk Langstrom
---"Pets," 2005
---"The Man Who Would Be Bat," 2004
Harvey Birdman: Attorney at Law -- X, the Eliminator
---"The Death of Harvey" Pts. 1 & 2,  July 2007
---"Birdnapped," "Grodin," 2006
---"Evolutionary War," 2005 (as Mr. Felder)
---"Turner Classic Birdman," "Identity Theft," 2005
---"X Gets the Crest," "Birdgirl of Guantanamole," 2005
---"Gone Efficien... t," "Droopy Botox," 2004
---"SPF," "Peanut Puberty," 2004
---"X, the Exterminator," 2003
CatDog -- Runt
---"Harraslin' Match/Dog the Not So Mighty," 2004
Danny Phantom -- Sidney Poindexter
---"Reign Storm," 2005
---"Splitting Images," 2004
Buzz Lightyear of Star Command -- Major
---"Stranger Invasion," 2000
---"Strange Invasion," 2000
The Wild Thornberrys -- Raju, monkey
---"Monkey See, Monkey Don't," 2000

Director
Boston Public
---3.4. "Chapter Forty-eight," Nov. 11, 2002
Ally McBeal
---2.3. "Fool's Night Out," Sept. 28, 1998
---2.10. "Making Spirits Bright," Dec. 14, 1998
---3.3. "Seeing Green," Nov. 8, 1998

Writer
Numb3rs
---5.13. "Trouble in Chinatown," Jan. 23, 2009
---2.17. "Mind Games," March 10, 2006; story by Andrew
---Dettman and Peter MacNicol
Ally McBeal
---5.20. "All of Me," May 13, 2001 (co-written with
---David E. Kelley)

Narrator
At the Crossroads: Jews in Eastern Europe Today (1989)
Voices & Visions: Walt Whitman (1988)



film credits

Battleship (2012) -- Secretary of Defense
Stuart Little 3: Call of the Wild (animated, 2006) --   
--Troopmaster Bickle
Behind the Curtain (2005) -- Vincent Poinsetta
Breakin' All the Rules (2004) -- Philip Gascon
Balto II: Wolf Quest (animated, 2001) -- Muru
Recess, School's Out (animated, 2001) -- Fenwick
Baby Geniuses (1999) -- Dan Bobbins
Secret of NIMH 2: Timmy to the Rescue (animated, 1998)
----- Narrator
Bean, the Movie (1997) -- David Langley
Mojave Moon (1996, cameo) -- Tire Repairman
Toto, Lost in New York (animated, 1996) -- Ork
Dracula, Dead and Loving It (1995) -- Thomas Renfield, Esq.
Radioland Murders (1994) -- Son writer
Addams Family Values (1993) -- Gary Granger
Housesitter (1992) -- Marty
Hard Promises (1991) -- Stuart Haggart
Ghostbusters II (1989) -- Janosz Poha
American Blue Note (1989) -- Jack Solow
Heat (1987) -- Cyrus Kinnick
Sophie's Choice (1982) -- Stingo
Dragonslayer (1981) -- Galen

theater credits

audiobooks
Ally McBeal cast
TV Guide 1998
Sophie and Stingo
Sophie's Choice      copyright Universal Studios Inc.
Peter MacNicol Online