Credits

• 2025 · Shell as Dr. Thaddeus Brand
• 2024 · The Day the Earth Blew Up: A Looney Tunes Movie as The Invader (voice)
• 2024 · Home Delivery as Howard Evans
• 2023 · Our Almost Completely True Story as Psycho Date
• 2019 · All Rise as Albert Campbell
• 2018 · Secret of the Sundrop as Nigel the Advisor
• 2017 · A Series of Unfortunate Events as Ishmael
• 2015 · CSI: Cyber as Simon Sifter
• 2014 · Star Wars Rebels as Tseebo (voice)
• 2013 · Marvel's Agents of S.H.I.E.L.D. as Professor Elliott Randolph
• 2013 · Scooby-Doo! Stage Fright as Dewey Ottman (voices)
• 2012 · The Mindy Project as Rabbi Adler
• 2012 · Veep as Jeff Kane
• 2012 · Battleship as Secretary of Defense
• 2012 · Doc McStuffins as Egghead (voice)
• 2012 · Game Change as Rick Davis
• 2011 · Fairly Legal as Judge Smollet
• 2010 · Young Justice as Professor Ivo / M.O.N.Q.I. (voice)
• 2010 · G.I. Joe: Renegades as Firefly (voice)
• 2010 · Young Justice as Professor Ivo / Amazo / M.O.N.Q.I. (voice)
• 2010 · Young Justice as Professor Ivo (voice)
• 2010 · Ben 10: Ultimate Alien as Oliver / Forever Knight #1 (voice)
• 2008 · The Spectacular Spider-Man: Attack of the Lizard as Otto Octavius/Doctor Octopus (voice)
• 2008 · The Spectacular Spider-Man as Otto Octavius (voice)
• 2008 · The Spectacular Spider-Man as Otto Octavius / Doctor Octopus (voice)
• 2008 · The Spectacular Spider-Man as Doctor Octopus (voice)
• 2008 · The Spectacular Spider-Man as Master Planner (voice)
• 2008 · The Spectacular Spider-Man as Master Planner / Otto Octavius (voice)
• 2008 · The Spectacular Spider-Man as Master Planner / Doctor Octopus (voice)
• 2007 · The Big Bang Theory as Robert Wolcott
• 2005 · Stuart Little 3: Call of the Wild as Troopmaster (voice)
• 2005 · Grey's Anatomy as Robert Stark
• 2005 · American Dad! as Old Man Hanson (voice)
• 2005 · American Dad! as Santa's Elf (voice)
• 2005 · American Dad! as Angel (voice)
• 2005 · Numb3rs as Larry Fleinhardt
• 2004 · Boston Legal as Dr. Sydney Field
• 2004 · The Batman as Langstrom (voice)
• 2004 · Justice League Unlimited as David Clinton (voice)
• 2004 · Breakin' All the Rules as Philip Gascon
• 2004 · Danny Phantom as Sidney Poindexter (voice)
• 2003 · The Lyon's Den as
• 2002 · Balto: Wolf Quest as Muru (voice)
• 2001 · 24 as Tom Lennox
• 2001 · Recess: School's Out as Fenwick (voice)
• 2000 · Harvey Birdman, Attorney at Law as
• 2000 · Harvey Birdman, Attorney at Law as X the Eliminator (voice)
• 2000 · Harvey Birdman, Attorney at Law as X, the Eliminator (voice)
• 2000 · Buzz Lightyear of Star Command as Major (voice)
• 2000 · The Pooch and the Pauper as Liberty (voice)
• 1999 · Snowden's Christmas as (voice)
• 1999 · Olive, The Other Reindeer as Fido (voice)
• 1999 · Baby Geniuses as Dan
• 1998 · The Secret of NIMH 2: Timmy to the Rescue as Narrator (voice)
• 1998 · The Wild Thornberrys as Raju / Monkey (voice)
• 1998 · CatDog as
• 1998 · Silencing Mary as Lawrence Dixon
• 1997 · Ally McBeal as John Cage
• 1997 · Bean as David Langley
• 1997 · The Angry Beavers as
• 1996 · Mojave Moon as Tire Repairman
• 1996 · Abducted: A Father's Love as Roy Dowd
• 1995 · Dracula: Dead and Loving It as Thomas Renfield
• 1994 · Radioland Murders as Son Writer
• 1994 · Chicago Hope as
• 1994 · Roswell as Lewis Rickett
• 1993 · Addams Family Values as Gary Granger
• 1992 · Housesitter as Marty
• 1992 · The Powers That Be as Bradley Grist
• 1992 · Hard Promises as Stuart
• 1990 · By Dawn's Early Light as Sedgwick
• 1989 · American Blue Note as Jack Solow
• 1989 · Ghostbusters II as Dr. Janosz Poha
• 1989 · Tales from the Crypt as Austin Haggard (segment "Let the Punishment Fit the Crime")
• 1988 · Voices & Visions: Walt Whitman as Narrator
• 1987 · The Days and Nights of Molly Dodd as Steve Cooper
• 1986 · Heat as Cyrus Kinnick
• 1986 · Johnny Bull as Joe Kovacs
• 1984 · The Boy Who Left Home to Find Out About the Shivers as Martin
• 1982 · Sophie's Choice as Stingo
• 1982 · Cheers as Mario
• 1982 · Faerie Tale Theatre as Martin
• 1981 · Dragonslayer as Galen
• 2025 · Floss as Dr. Rivus