Peter MacNicol

Home Delivery 2026 · Howard Evans

All's Fair 2025 · Robert DeLancie

Shell 2025 · Dr. Thaddeus Brand

The Day the Earth Blew Up: A Looney Tunes Movie 2024 · The Invader (voice)

Our (Almost Completely True) Love Story 2023 · Psycho Date

All Rise 2019 · Albert Campbell

A Series of Unfortunate Events 2017 · Ishmael Rapunzel’s Tangled Adventure 2017 · Nigel (voice)

CSI: Cyber 2015 · Simon Sifter

Star Wars Rebels 2014 · Tseebo (voice) Marvel’s Agents of S.H.I.E.L.D. 2013 · Professor Elliott Randolph

Scooby-Doo! Stage Fright 2013 · Dewey Ottman (voices)

Battleship 2012 · Secretary of Defense Doc McStuffins 2012 · Egghead (voice)

Game Change 2012 · Rick Davis

The Mindy Project 2012 · Rabbi Adler

Veep 2012 · Jeff Kane

Fairly Legal 2011 · Judge Smollet

Ben 10: Ultimate Alien 2010 · Oliver / Forever Knight #1 (voice)

G.I. Joe: Renegades 2010 · Firefly (voice)

Young Justice 2010 · Professor Ivo (voice) The Spectacular Spider-Man 2008 · Master Planner / Doctor Octopus (voice)

The Spectacular Spider-Man: Attack of the Lizard 2008 · Otto Octavius/Doctor Octopus (voice)

The Big Bang Theory 2007 · Robert Wolcott American Dad! 2005 · Angel (voice) Grey’s Anatomy 2005 · Robert Stark Numb3rs 2005 · Larry Fleinhardt Stuart Little 3: Call of the Wild 2005 · Troopmaster (voice) Boston Legal 2004 · Dr. Sydney Field

Breakin' All the Rules 2004 · Philip Gascon

Danny Phantom 2004 · Sidney Poindexter (voice) Justice League Unlimited 2004 · David Clinton (voice) The Batman 2004 · Langstrom (voice)

The Lyon's Den 2003

Balto: Wolf Quest 2002 · Muru (voice) 24 2001 · Tom Lennox

Recess: School's Out 2001 · Fenwick (voice)

Buzz Lightyear of Star Command 2000 · Major (voice) Harvey Birdman, Attorney at Law 2000 · X, the Eliminator (voice)

The Pooch and the Pauper 2000 · Liberty (voice)

Baby Geniuses 1999 · Dan

Olive, the Other Reindeer 1999 · Fido (voice)

Snowden's Christmas 1999 · Snowden (voice)

The Secret of NIMH 2: Timmy to the Rescue 1999 · Narrator (voice) CatDog 1998 · Runt (voice)

Silencing Mary 1998 · Lawrence Dixon

The Wild Thornberrys 1998 · Raju / Monkey (voice) Ally McBeal 1997 · John Cage Bean 1997 · David Langley The Angry Beavers 1997

Abducted: A Father's Love 1996 · Roy Dowd

Mojave Moon 1996 · Tire Repairman

TFI Friday 1996

Dracula: Dead and Loving It 1995 · Thomas Renfield

Chicago Hope 1994 · Alan Birch

Radioland Murders 1994 · Son Writer

Roswell 1994 · Lewis Rickett

Addams Family Values 1993 · Gary Granger

Hard Promises 1992 · Stuart

Housesitter 1992 · Marty

The Powers That Be 1992 · Bradley Grist

By Dawn's Early Light 1990 · Sedgwick

American Blue Note 1989 · Jack Solow

Ghostbusters II 1989 · Janosz Poha Tales from the Crypt 1989 · Austin Haggard (segment "Let the Punishment Fit the Crime")

Voices & Visions: Walt Whitman 1988 · Narrator

The Days and Nights of Molly Dodd 1987 · Steve Cooper

Heat 1986 · Cyrus Kinnick

Johnny Bull 1986 · Joe Kovacs

The Boy Who Left Home to Find Out About the Shivers 1984 · Martin

Cheers 1982 · Mario

Faerie Tale Theatre 1982 · Martin

Sophie's Choice 1982 · Stingo

Dragonslayer 1981 · Galen

Floss Dr. Rivus

Boston Public 2000 · Director

Ally McBeal 1997 · Director

Numb3rs 2005 · Writer Ally McBeal 1997 · Writer