Editing Michael McKean (section)

=== Television ===
{| class = "wikitable sortable"
|-
! Year
! Title
! Role
! class = "unsortable" | Notes
|-
| 1976–1983
| ''[[Laverne & Shirley]]''
| rowspan=2 | Leonard "Lenny" Kosnowski 
| 149 episodes
|-
| 1979
| ''[[Happy Days]]''
| Episode: "Fonzie's Funeral: Part 2"
|-
| 1980
| ''[[Goodtime Girls]]''
| Joey
| Episode: "Internal Injury"
|-
| 1984 
| ''[[Saturday Night Live]]''
| Himself / [[David St. Hubbins]]
| 2 episodes
|-
| 1985
| ''[[George Burns Comedy Week]]''
| Joey
| Episode: "The Borrowing"
|-
| rowspan=2 | 1986
| ''Classified Love''
| Pete Newly
| Television film
|-
| ''[[Tall Tales & Legends]]''
| Mac Macintosh / Mr. Wallace
| 2 episodes
|-
| rowspan=2 | 1987
| ''[[Double Agent (1987 film)|Double Agent]]''
| Jason Starr / Warren Starbinder
| rowspan="2" | Television film
|-
| ''[[Daniel and the Towers]]''
| Wexler Hatch
|-
| rowspan=4 | 1990
| ''[[Grand (TV series)|Grand]]'' 
| Tom Smithson
| 13 episodes
|-
| ''[[Empty Nest]]''
| Dennis Adams
| Episode: "Mad About the Boy"
|-
| ''[[Murder, She Wrote]]''
| Ross McKay
| Episode: "The Return of Preston Giles"
|-
| ''The AFI Presents: TV or Not TV?''
| Principal Ford
| Television special; segment: "Peak A Boo"
|-
| rowspan=2 | 1991
| ''[[Morton & Hayes]]''
| Dr. Mummenschvantz
| Episode: "The Bride of Mummula"
|-
| ''[[Murder in High Places]]''
| Pettibone
| Television film
|-
| 1991–1996 
| ''[[Dream On (TV series)|Dream On]]'' 
| Gibby Fiske
| 25 episodes
|-
| 1992–1994
| ''[[Dinosaurs (TV series)|Dinosaurs]]''
| Various voices
| 12 episodes
|-
| 1992, 1999
| ''[[The Simpsons]]''
| David St. Hubbins, Jerry Rude
| Voice, 2 episodes
|-
| 1993–1994,<br/>1998
| ''[[Animaniacs]]''
| Spink, Jake, Neivel Nosenest
| 3 episodes<ref name="btva" />
|-
| 1993
| ''[[Family Album (1993 TV series)|Family Album]]''
| Mr. Gordon
| Episode: "Winter, Spring, Summer or Fall All You Gotta Do Is Call..."
|-
| rowspan=3 | 1994
| ''[[Getting By]]''
| Dirk Clearfield
| Episode: "Sell It Like It Is"
|-
| ''[[Lois & Clark: The New Adventures of Superman|Lois & Clark: <br/> The New Adventures of Superman]]''
| Dr. Fabian Leek
| Episode: "Vatman"
|-
| ''[[Duckman]]''
| Bob Hiney
| Voice, episode: "A Civil War"
|-
| 1994–1995
| ''[[Saturday Night Live]]''
| Various Roles
| 25 episodes
|-
| rowspan=2 | 1995
| ''[[The Nanny]]''
| Prof. Noel Babcock PhD
| Episode: "Franny and the Professor"
|-
| ''[[Friends]]'' 
| Leon Rastatter
| Episode: "[[The One with the List]]" 
|-
| rowspan=4 | 1996
| ''[[The Sunshine Boys (1996 film)|The Sunshine Boys]]'' 
| Scott Grogan
| Television film
|-
| ''[[Star Trek: Voyager]]'' 
| The Clown
| Episode: "[[The Thaw (Star Trek: Voyager)|The Thaw]]"
|-
| ''Secret Service Guy''
| Frank McClellan 
| 7 episodes
|-
| ''[[Caroline in the City]]''
| Father Damian
| Episode: "Caroline and the Wedding"
|-
| rowspan=2 | 1996–1998
| ''[[Jungle Cubs]]'' 
| Cecil
| Voice, 20 episodes
|-
| ''[[Pinky and the Brain]]''
| Toll Collector / Ponytail <br/> Schneiderlander / Mel Anoma
| Voice, 4 episodes<ref name="btva" />
|-
| 1996–1999
| ''[[Tracey Takes On...]]''
| Barrington "Barry" LeTissier
| 6 episodes; directed 5 episodes
|-
| rowspan=4 | 1997
| ''[[Road Rovers]]''
| Dr. Jeffrey Otitus
| Voice, episode: "Reigning Cats and Dogs"<ref name="btva" />
|-
| ''[[Johnny Bravo]]''
| Various voices
| 3 episodes
|-
| ''[[The Weird Al Show]]''
| Miner
| Episode: "Mining Accident"
|-
| ''[[Space Ghost Coast to Coast]]''
| Himself
| Episode: "BooBooKitty"
|-
| 1997–1998
| ''[[101 Dalmatians: The Series]]''
| Jasper Badun
| Voice, 27 episodes
|-
| rowspan=8 | 1998
| ''[[The Closer (1998 TV series)|The Closer]]''
| Arthur Willhaven
| 2 episodes
|-
| ''[[LateLine]]''
| Dick Obermeyer
| Episode: "Pearce's New Buddy"
|-
| ''[[Murphy Brown]]''
| Dennis Page
| Episode: "Second Time Around"
|-
| ''[[The Angry Beavers]]''
| L.G. Algae, Raccoon
| Voice, episode: "Pond Scum"<ref name="btva" />
|-
| ''Final Justice''
| Merle Hammond
| Television film
|-
| ''[[The New Batman Adventures]]''
| 1950s [[Joker (character)|Joker]]
| Voice, episode: "Legends of the Dark Knight"<ref name="btva" />
|-
| ''[[Mr. Show with Bob and David]]''
| Professor Peens
| Episode: "Life Is Precious and God and the Bible"
|-
| ''[[Recess (TV series)|Recess]]''
| Mr. Bream
| Voice, episode: "Yes, Mikey, Santa Does Shave"
|-
| 1998–1999
| ''[[Maggie Winters]]''
| Lewis Stickley
| 2 episodes
|-
| 1998–2002
| ''[[The X-Files]]''
| [[Morris Fletcher]]
| 4 episodes
|-
| rowspan="3" | 1999
| ''[[Providence (American TV series)|Providence]]''
| Sherman Smith
| Episode: "Blind Faith"
|-
| ''[[Boy Meets World]]''
| Jedediah Lawrence
| Episode: "State of the Unions"
|-
|''[[Pinky, Elmyra & the Brain]]''
|Grocer
|Voice, episode: "The Mask of Braino"<ref name="btva" />
|-
| 1999–2003
| ''[[Hey Arnold!]]''
| Johnny Stitches, Pinkerton, Earthflower 
| Voice, 2 episodes<ref name="btva" />
|-
| 2000
| ''[[Batman Beyond]]''
| Ian Peek
| Voice, episode: "Sneak Peek"<ref name="btva" />
|-
| rowspan=2 | 2000–2001
| ''[[The Huntress (TV series)|The Huntress]]''
| Lt. Praeger / Ralph Thorson
| Voice, 3 episodes
|-
| ''[[Clerks: The Animated Series]]''
| Various voices
| 2 episodes
|-
| 2000, 2002
| ''[[Family Guy]]''
| Various voices
| 2 episodes
|-
| 2000, 2008
| ''[[Law & Order]]'' 
| Elias Grace / Bill Nolan
| 2 episodes
|-
| rowspan=2 | 2001
| ''[[Strip Mall]]''
| Psycho-Vivor Host
| 2 episodes
|-
| ''[[The Lone Gunmen (TV series)|The Lone Gunmen]]''
| Morris Fletcher 
| Episode: "All About Yves"
|-
| 2001–2002
| ''[[Oswald (TV series)|Oswald]]''
| Maestro Bingo / Louie
| Voice, 5 episodes<ref name="btva" />
|-
| 2001–2003
| ''[[Primetime Glick]]''
| Adrien Van Voorhees
| 30 episodes
|-
| rowspan=4 | 2002
| ''[[Teamo Supremo]]''
| Mean Thumb / Lo-Fi
| Voice, 2 episodes
|-
| ''[[As Told by Ginger]]''
| Bobby Lightfoot
| Voice, episode: "Family Therapy"
|-
| ''[[Justice League (TV series)|Justice League]]''
| [[Sportsmaster|Sportsman]]
| Voice, episode: "Legends"<ref name="btva" />
|-
| ''[[The Zeta Project]]''
| Dr. Marcus Edmunds
| Voice, episode: "The Hologram Man"<ref name="btva" />
|-
| 2002–2005
| ''[[Harvey Birdman, Attorney at Law]]''
| Evelyn Spyro Throckmorton 
| Voice, 4 episodes<ref name="btva" />
|-
| 2003
| ''[[And Starring Pancho Villa as Himself]]''
| [[Christy Cabanne|William Christy Cabanne]]
| Television film
|-
| 2003,<br/>2010–2011
| ''[[Smallville]]''
| [[Perry White]]
| 3 episodes
|-
| rowspan=3 | 2005
| ''[[Alias (TV series)|Alias]]''
| Dr. Atticus Liddell
| 2 episodes
|-
| ''[[Hopeless Pictures]]''
| Mel Wax
| Voice, 9 episodes
|-
| ''[[Boston Legal]]''
| Dwight Biddle
| Episode: "Truly, Madly, Deeply"
|-
| rowspan=3 | 2006
| ''[[Catscratch]]''
| Groink
| Voice, episode: "Love Jackal"<ref name="btva" />
|-
| ''[[Help Me Help You (TV series)|Help Me Help You]]''
| Dr. Howard "J." Hubbins
| Episode: "Pink Feud"
|-
| ''[[The Year Without a Santa Claus (2006 film)|The Year Without a Santa Claus]]''
| Snow Miser
| Television film
|-
| 2007
| ''[[The Grim Adventures of Billy & Mandy]]''
| Kalgoron 
| Voice, episode: "Wrath of the Spider Queen"<ref name="btva" />
|-
| 2007, 2011
| ''[[Curb Your Enthusiasm]]''
| Matt Tessler
| 2 episodes
|-
| 2008
| ''[[The Unit]]''
| Dr. Donald Metz
| 2 episodes
|-
| rowspan=2 | 2010
| ''[[Glory Daze (2010 TV series)|Glory Daze]]''
| Stu
| Episode: "Why Shant This Be Love?"
|-
| ''[[Sesame Street]]''
| Virgil Von Vivaldi
| Episode: "Rock, Rock Band"
|-
| rowspan=5 | 2011
| ''[[Off the Map (TV series)|Off the Map]]''
| Ed Greenman
| Episode: "Saved by the Great White Hope"
|-
| ''[[Castle (TV series)|Castle]]''
| Victor Baron
| Episode: "Pretty Dead"
|-
| ''[[Childrens Hospital]]''
| Death
| Episode: "Munch by Proxy"
|-
| ''[[Glenn Martin, DDS]]''
| Eye-Hawk / Sarge 
| Voice, episode: "Heist"
|-
| ''[[Homeland (TV series)|Homeland]]'' 
| Judge Jeffrey Turner
| Episode: "[[Grace (Homeland)|Grace]]" 
|-
| 2012–2013
| ''[[Happy Endings (TV series)|Happy Endings]]''
| Big Dave
| 2 episodes
|-
| rowspan=2 | 2012
| ''[[Thundercats (2011 TV series)|Thundercats]]''
| Vultaire
| Voice, 2 episodes<ref name="btva" />
|-
| ''[[Law & Order: Special Victims Unit]]'' 
| Fred Sandow
| Episode: "Father's Shadow" 
|-
| 2012, 2016
| ''[[SpongeBob SquarePants]]'' 
| Captain Frosty Mug, Lonnie the Shark
| Voice, 2 episodes<ref name="btva" />
|-
| rowspan=2 | 2013
| ''[[Family Tree (TV series)|Family Tree]]''
| Keith Chadwick
| 4 episodes
|-
| ''[[American Dad!]]'' 
| Emperor Zing 
| Voice, episode: "[[Lost in Space (American Dad!)|Lost in Space]]"
|-
| 2014 
| ''[[The 7D]]''
| Uncle Humidor 
| Voice, 2 episodes<ref name="btva" />
|-
| 2015–2018; 2022
| ''[[Better Call Saul]]'' 
| [[Chuck McGill]]
| 28 episodes
|-
| 2015–2019
| ''[[Food: Fact or Fiction?]]'' 
| Himself (host)
| 65 episodes
|-
| 2015
| ''[[Comedy Bang! Bang! (TV series)|Comedy Bang! Bang!]]''
| [[Zeus]]
| Episode: "Stephen Merchant Wears a <br/> Checkered Shirt and Rolled Up Jeans" 
|-
| 2015–2016
| ''[[Drunk History]]''
| [[Carl Laemmle]] / Arthur Jell
| 2 episodes
|-
| 2016–2018
| ''[[Goldie & Bear]]''
| Mr. Locks
| Voice, 6 episodes
|-
| 2017
| ''[[Last Week Tonight with John Oliver]]''
| [[Warren G. Harding]] counselor
| Segment: "Harding"
|-
| 2018
| ''[[The Good Place]]''
| Doug Forcett
| Episode: "Don't Let the Good Life Pass You By"
|-
| rowspan=3 | 2019
| ''[[Veep]]''
| Governor Ballentine
| Episode: "Oslo"
|-
| ''[[Good Omens (TV series)|Good Omens]]''
| Witchfinder Sgt. Shadwell
| 5 episodes
|-
| ''Delilah''
| Tom Childs Sr.
| Pilot
|-
| 2020–2022
| ''[[Grace and Frankie]]''
| Jack Ayres
| 6 episodes
|-
| rowspan=3| 2020
| ''[[Breeders (TV series)|Breeders]]''
| Michael
| 5 episodes 
|-
| ''[[At Home with Amy Sedaris]]''
| Guy Lombardi
| Episode: "New Year's"
|-
| ''[[Helpsters]]''
| Roy
| Episode: "Billy Bug/Cody Rides a Bike"
|-
| 2021–present
| ''[[Rugrats (2021 TV series)|Rugrats]]''
| Lou Pickles
| Voice, main role<ref name="btva" />
|-
| 2022
| ''[[Billions (TV series)|Billions]]''
| Melville Revere
| Episode: "[[List of Billions episodes#Season 6 (2022)|Cannonade]]"
|-
| 2023–2024
| ''[[The Diplomat (American TV series)|The Diplomat]]'' 
| President William Rayburn
| 5 episodes
|-
| 2023
| ''[[Dead Ringers (miniseries)|Dead Ringers]]''
| Marion
| Episode: "Five"
|}