Editing Wallace Shawn (section)

===Television===
{| class="wikitable sortable"
|-
! Year !! Title !! Role !! Notes
|-
| 1982–83 || ''[[Taxi (TV series)|Taxi]]'' || Arnie Ross || 2 episodes
|-
| rowspan = "2" | 1983 || ''[[How to Be a Perfect Person in Just Three Days]]'' || Professor Silverfish || rowspan = "2" | Television film
|-
| ''[[Saigon: Year of the Cat]]'' || Frank Judd
|-
| 1987–91 || ''[[The Cosby Show]]'' || Jeff Engels || 5 episodes
|-
| rowspan = "2" | 1992 || ''[[Civil Wars (TV series)|Civil Wars]]'' || Riley Baker || Episode: "A Bus Named Desire"
|-
| ''[[One Life to Live]]'' || Professor Marvel || Unknown episodes
|-
| rowspan = "3" | 1993 || ''Eligible Dentist'' || || Pilot
|-
| ''[[The Pink Panther (1993 TV series)|The Pink Panther]]'' || [[The Little Man (The Pink Panther)|The Little Man]] (voice) || Episode: "Ice Blue Pink/Pink Trek"
|-
| ''[[Matrix (TV series)|Matrix]]'' || Mr. Gonley || Episode: "Lapses in Memory"
|-
| 1993–99 || ''[[Star Trek: Deep Space Nine]]'' || Grand Nagus Zek || 7 episodes
|-
| 1994 || ''[[The Nanny]]'' || Charles Haste || Episode: "Pishke Business"
|-
| 1994–97 || ''[[Murphy Brown]]'' || Stuart Best || 4 episodes
|-
| rowspan="3"| 1995
| ''[[Kalamazoo (film)|Kalamazoo]]''
| Bobby
| Short
|-
| ''[[Something Wilder]]''
| Roof Inspector
| Episode: "Dr. Roof"
|-
| ''Just Like Dad''
| Stan Speigel
| Television film
|-
| 1996
| ''[[Toy Story Treats]]''
| [[List of Toy Story characters#Rex|Rex]] (voice)
| 18 episodes
|-
| 1996–97
| ''[[Clueless (TV series)|Clueless]]''
| Mr. Hall
| 17 episodes
|-
| 1997
| ''[[King of the Hill]]''
| Philip Ny (voice)
| Episode: "How to Fire a Rifle Without Really Trying"
|-
| rowspan = "3" | 1998
| ''Blind Men''
|
| Pilot
|-
| ''[[Noah (1998 film)|Noah]]''
| Zack
| Television film
|-
| ''[[The Lionhearts]]''
| Various (voice)
| 5 episodes
|-
| rowspan="2"| 1999
| ''[[Homicide: Life on the Street]]''
| Frank Hopper
| Episode: "A Case of Do or Die"
|-
| ''[[Cosby (TV series)|Cosby]]''
| Mr. Fleming
| 2 episodes
|-
| 2000–01
| ''[[Teacher's Pet (TV series)|Teacher's Pet]]''
| Crosby Strickler (voice)
| 17 episodes<ref name="btva" />
|-
| rowspan=3"| 2001
| ''[[Ally McBeal]]''
| Mr. Dune
| Episode: "Falling Up"
|-
| ''Blonde''
| I. E. Shinn
| 2 episodes
|-
| ''[[Three Sisters (American TV series)|Three Sisters]]''
| Dean Webb
| Episode: "Don't Be Thrown"
|-
| 2001–06
| ''[[Crossing Jordan]]''
| Howard Stiles
| 8 episodes
|-
| 2001, 2006, 2011
| ''[[Family Guy]]''
| [[Bertram (Family Guy)|Bertram]] (voice)
| 3 episodes
|-
| rowspan = "3" | 2002
| ''Sun Gods''
| Spaulding
| Pilot
|-
| ''[[Teamo Supremo]]''
| Gauntlet (voice)
| Episode: "Running the Gauntlet"
|-
| ''[[Mr. St. Nick]]''
| Mimir
| rowspan = "2" | Television film
|-
| rowspan = "2" | 2003
| ''[[Monte Walsh (2003 film)|Monte Walsh]]''
| Colonel Wilson
|-
|''[[Stanley (2001 TV series)|Stanley]]''
| Mr. Goldberg (voice)
| Episode: "Going-Away Goose/Time to Climb!"
|-
| rowspan = "2" | 2004
| ''[[Sex and the City]]''
| Martin Grable
| Episode: "Splat!"
|-
| ''[[Karroll's Christmas]]''
| Zeb Rosecog
| Television film
|-
| rowspan="3"| 2005
| ''[[Fat Actress]]''
| Sigmund von Oy
| Episode: "The Koi Effect"
|-
| ''[[Stargate SG-1]]''
| Arlos Kadawam
| Episode: "The Ties That Bind"
|-
| ''[[Desperate Housewives]]''
| Lonny Moon
| Episode: "[[They Asked Me Why I Believe in You]]"
|-
| rowspan="2"| 2006
| ''The 12th Man''
| Marty
| Pilot
|-
| ''[[Law & Order: Criminal Intent]]''
| Film Professor
| Episode: "[[Weeping Willow (Law & Order: Criminal Intent)|Weeping Willow]]"
|-
| rowspan="2"| 2008
| ''[[The Return of Jezebel James]]''
| Garson Leeds
| Episode: "I'm with Blank"
|-
| ''[[Cashmere Mafia]]''
| Animal Handler
| Episode: "Dog Eat Dog"
|-
| 2008–09
| ''[[The L Word]]''
| William Halsey
| 5 episodes
|-
| rowspan="3"| 2009
| ''[[Law & Order: Special Victims Unit]]''
| Roy Batters
| Episode: "Snatched"
|-
| ''[[Life on Mars (U.S. TV series)|Life on Mars]]''
| Stephen Morrell – "The Sorcerer"
| Episode: "Let All the Children Boogie"
|-
| ''[[ER (TV series)|ER]]''
| Teddy Lempell
| Episode: "The Beginning of the End"
|-
| rowspan="2"| 2010
| ''[[The Daily Show with Jon Stewart]]''
| Alan Rubin
| Episode: "Anthony Weiner"
|-
| ''[[Damages (TV series)|Damages]]''
| Sterling Biddle
| Episode: "Don't Forget to Thank Mr. Zedeck"
|-
| 2008–12
| ''[[Gossip Girl]]''
| Cyrus Rose
| 11 episodes
|-
| 2011–12
| ''[[Eureka (2006 TV series)|Eureka]]''
| Warren Hughes
| 3 episodes
|-
| 2011–16
| ''[[Kung Fu Panda: Legends of Awesomeness]]''
| Taotie (voice)
| 9 episodes<ref name="btva" />
|-
| 2012
| ''[[Fish Hooks]]''
| Rat King (voice)
| Episode: "Guys' Night Out"
|-
| 2013–15
| ''[[The Good Wife]]''
| Charles Lester
| 3 episodes
|-
| rowspan="4"| 2013
| ''[[Adventure Time]]''
| Rasheeta (voice)
| Episode: "Puhoy"
|-
| ''[[The Fog of Courage]]''
| Eustace Bagge (voice)
|<ref name="btva" />
|-
| ''[[Uncle Grandpa]]''
| Ule Gapa (voice)
| Episode: "Belly Bros"
|-
|''[[Toy Story of Terror!]]''
| rowspan = "2" | Rex (voice)
| rowspan = "2" | Television special<ref name="btva" />
|-
| rowspan="7"| 2014
| ''[[Toy Story That Time Forgot]]''
|-
| ''[[Phineas and Ferb]]''
| Saul (voice)
| Episode: "Phineas and Ferb Save Summer"<ref name="btva" />
|-
| ''[[The Mysteries of Laura]]''
| Kenneth Walters
| Episode: "The Mystery of the Sex Scandal"
|-
| ''[[Club Penguin: Monster Beach Party]]''
| Gary the Gadget Guy (voice)
|Television special<ref name="btva" />
|-
| ''[[The 7D]]''
| Not-So-Magic Mirror (voice)
| Episode: "Mirror, Mirror"<ref name="btva" />
|-
| ''[[BoJack Horseman]]''
| Himself (voice)
| Episode: "One Trick Pony"
|-
| ''[[Christmas at Cartwright's]]''
| Harry Osbourne
| Television film
|-
| 2014–18
| ''[[Mozart in the Jungle]]''
| Winslow Elliot
| 6 episodes
|-
| 2015
| ''Club Penguin: Halloween Panic!''
| Gary the Gadget Guy (voice)
| Television special<ref name="btva" />
|-
| rowspan="3" | 2016
| ''[[The Night Shift (TV series)|The Night Shift]]''
| Mr. Neville
| Episode: "Unexpected"
|-
| ''[[Life in Pieces]]''
| Samuel
| Episode: "Eyebrow Anonymous Trapped Gem"
|-
| ''[[Regular Show]]''
| The Evil Brain (voice)
| Episode: "The Brain of Evil"<ref name="btva" />
|-
| 2016–19
| ''[[The Stinky & Dirty Show]]''
| Tall (voice)
| 18 episodes
|-
| rowspan="4"| 2017
| ''Cop and a Half: New Recruit''
| Principal Miller
| Television film
|-
| ''[[Mr. Robot]]''
| Mr. Williams
| Episode: "eps3.2_legacy.so"
|-
| ''[[Graves (TV series)|Graves]]''
| Jerry North
| 3 episodes
|-
| ''[[She's Gotta Have It (TV series)|She's Gotta Have It]]''
| Julius Kemper
| rowspan = "4" | 2 episodes
|-
| rowspan = "2" | 2017–18
| ''[[OK K.O.! Let's Be Heroes]]''
| Wally the White, ''The Magic Court'' Narrator (voice)<ref name="btva" />
|-
| ''[[Trollhunters: Tales of Arcadia|Trollhunters]]''
| Unkar the Unfortunate (voice)<ref name="btva" />
|-
| 2017, 2019
| ''[[The Marvelous Mrs. Maisel]]''
| Herb Smith
|-
| rowspan="3"|2018
| ''[[The Good Fight]]''
| Charles Lester
| Episode: "Day 471"
|-
| ''[[Skylanders Academy]]''
| Mabu Inspector (voice)
| Episode: "Weekend at Eon's"
|-
| ''[[Law & Order: Special Victims Unit]]''
| Benjamin Edelman
| Episode: "Alta Kockers"
|-
| 2018–24
| ''[[Young Sheldon]]''
| Dr. John Sturgis
| 52 episodes
|-
| rowspan = "4" | 2019
| ''[[Big City Greens]]''
| Jyle Donelan (voice)
| Episode: "Night Bill"
|-
| ''[[The Simpsons]]''
| Wallace the Hernia (voice)
| Episode: "[[I Want You (She's So Heavy) (The Simpsons)|I Want You (She's So Heavy)]]"
|-
| ''[[Butterbean's Cafe]]''
| Oopsie Doodle (voice)
| Episode: "Oopsie Doodle!"
|-
| ''[[Forky Asks a Question]]''
| Rex (voice)
| Episode: "What Is Time?"<ref name="btva" />
|-
| rowspan = "2" |2020
| ''[[Search Party (TV series)|Search Party]]''
| William Badpastor
| 2 episodes
|-
| ''[[Esme & Roy]]''
| Grumbles (voice)
| Episode: "Princess of Play"
|-
| 2020–21
| ''[[Summer Camp Island]]''
| Morris Mole / Barry / Pete (voices)
|3 episodes
|-
| 2021–22
| ''[[Amphibia (TV series)|Amphibia]]''
| Humphrey Westwood (voice)
| 2 episodes
|-
| 2021
| ''[[Gossip Girl (2021 TV series)|Gossip Girl]]''
| Cyrus Rose
| Episode: "Final Cancellation"
|-
| 2022–24
|''[[Evil (TV series)|Evil]]''
| Father Frank Ignatius
| 10 episodes
|-
| 2022
| ''[[Bubble Guppies]]''
| Professor Puny (voice)
| Episode: "Search for the Great Silverback!"
|-
| 2025
| ''[[Krapopolis]]''
| John Fate (voice)
| Episode: "John Fate Comes a-Knockin"
|}