| Year | Title | Role | Notes |
|---|
| 1987–1990 | The Tracey Ullman Show | Various characters | Recurring role |
| 1990 | ALF | Steve Michaels | Episode: "Stayin' Alive" |
| Bagdad Café | Gilbert | Episode: "Rainy Days and Mondays" |
| Working Tra$h | George Agrande | Television film |
| 1990, 1992 | Married... with Children | Pete, Funeral Director | 2 episodes |
| 1991 | Dream On | Phil | Episode: "The 37-Year Itch" |
| Sibs | Warren Morris | Recurring role |
| 1992 | Lady Against the Odds | Len Chisholm | Television film |
| L.A. Law | David Champion | Episode: "L.A. Lawless" |
| 1993 | Tracey Ullman Takes on New York | Gordon | Television special |
| 1994 | Wings | George Wexler | Episode: "Moonlighting" |
| The George Carlin Show | Passenger | Episode: "George Gets Some Money" |
| Related by Birth | Warren Morris | Television film |
| Bakersfield P.D. | Darian Ferguson | Episode: "Last One Into the Water" |
| Grace Under Fire | Mr. Rudder | Episode: "Jimmy's Girl" |
| 1995 | Murphy Brown | Tony Lucchesi | Episode: "Specific Overtures" |
| The Computer Wore Tennis Shoes | Alan Winsdale | Television film |
| 1996 | Friends | The Zoo Keeper | Episode: "The One After the Super Bowl: Part 1" |
| NYPD Blue | Gus | Episode: "Head Case" |
| 1997 | Cybill | DaVolio | Episode: "Kiss Me, You Fool" |
| The Drew Carey Show | Stan | Episode: "Two Drews and the Queen of Poland" |
| 1998 | Rhapsody in Bloom | Chelton | Television film |
| 1998–2001 | Everybody Loves Raymond | Bryan | 2 episodes |
| 1999 | Mad About You | Rory O'Grady | Episode: "Win a Free Car" |
| Oh, Grow Up | Sven Jorgensen | Episode: "Hunter's Metamorphosis" |
| Nash Bridges | Eddie Day | Episode: "Crosstalk" |
| 2001 | Yes, Dear | Walt | Episode: "Where There's a Will, There's a Waiver" |
| Laughter on the 23rd Floor | Milt Fields | Television film |
| 2002–2003 | Reba | Eugene Fisher | 2 episodes |
| 2003 | The Pitts | Morty | Episode: "Dummy and Dummier" |
| Frasier | Brad | Episode: "Maris Returns" |
| That '70s Show | Agent Armstrong | Episode: "I'm Free" |
| 2004 | Party Wagon | Wild Bill Hickok, Clerk, Cheyenne #2 | Television film |
| Behind the Camera: The Unauthorized Story of 'Charlie's Angels | Aaron Spelling | Television film |
| Complete Savages | Frog, Mr. Horner | Episode: "Free Lily" |
| 2005 | Stargate SG-1 | Joe Spencer | Episode: "Citizen Joe" |
| Arrested Development | Dr. Stein | Episode: "Sword of Destiny" |
| 2006 | The Jeff Garlin Program | Ted | Television film |
| Veronica Mars | Dr. Kinny | Episode: "My Big Fat Greek Rush Week" |
| 2006–2007 | Campus Ladies | Dean Dewey | 2 episodes |
| 2007 | Sands of Oblivion | Cecil B. DeMille | Television film |
| Entourage | Andrew Preston | 2 episodes |
| 2007–2011 | Greek | Dr. Milton Hastings | 9 episodes |
| 2008 | Monk | Tiny Werner | Episode: "Mr. Monk Goes to the Bank" |
| Reno 911! | Commissioner Jerry Salerno | Episode: "Junior Runs for Office" |
| Relative Stranger | Gary | Television film |
| 2009 | Castle | Judge Markway | 2 episodes |
| Ghost Whisperer | Frank the Ghost | Episode: "This Joint's Haunted" |
| How I Met Your Mother | Milt | Episode: "Right Place, Right Time" |
| Bones | Officer Novarro | Episode: "The Dwarf in the Dirt" |
| Desperate Housewives | Jeff Bicks | Episode: "Boom Crunch" |
| 2010 | Tracey Ullman's State of the Union | Agent | Episode #3.5 |
| The Good Guys | Walter Diparko | Episode: "Hunches & Heists" |
| The Simpsons 20th Anniversary Special – In 3-D! On Ice! | Himself | Television special |
| 2011 | Parks and Recreation | Derry Murbles | 3 episodes |
| 2012 | The Office | CEO of Prestige Direct Sale Solutions | Episode: "Turf War" |
| 2013 | Major Crimes | Ray Winters | Episode: "Year-End Blowout" |
| Dads | British Narrator | Episode: "Pilot" |
| The Mindy Project | Marty | Episode: "Danny's Friend" |
| Wendell & Vinnie | Mr. Lipshitz | Minor role |
| 2014 | The League | Dr. Harvat | Episode: "Taco Standard Time" |
| Quick Draw | Deacon Jim | Episode: "Deacon Jim" |
| Hot in Cleveland | Dr. McNally | Episode: "Straight Outta Cleveland" |
| 2015 | The Unauthorized Beverly Hills, 90210 Story | Aaron Spelling | Television film |
| The Unauthorized Melrose Place Story | Aaron Spelling | Television film |
| Baby Daddy | Peter Oliver | Episode: "What Happens in Vegas" |
| 2019 | Merry Happy Whatever | Ted Boseman | 2 episodes |
| 2022 | | Patrick Sr. | Episode #3.13 | |
| Year | Title | Role | Notes |
|---|
| 1991 | Don't Tell Mom the Babysitter's Dead | Animated babysitter | [1] |
| 1993 | Super Mario Bros. | Narrator | Credited as Dan Castellenetta |
| 1994 | The Return of Jafar | Genie, Thief, Omar | |
| 1996 | All Dogs Go to Heaven 2 | Tall Customs Dog, Angel Dog #1 | |
| The Hunchback of Notre Dame | Frollo's Soldiers | |
| 2000 | | Auctioneer, Horse Trader | Direct-to-video |
| Priest | |
| 2001 | | Guard #1 | |
| 2002 | Return to Never Land | Additional voices | |
| Grandpa Phil Shortman, Nick Vermicelli | |
| 2003 | Kim Possible: The Secret Files | Drakken's Goons | Direct-to-video |
| The Cat in the Hat | Thing One, Thing Two | |
| Boe Agent #2 | Direct-to-video |
| 2005 | Jasmine's Enchanted Tales: Journey of a Princess | Genie | Direct-to-video |
| 2006 | The Emperor's Secret | Seppo Kääriäinen | English dub |
| Additional voices | |
| Scooby-Doo! Pirates Ahoy! | Mr. Mysterio, Woodenleg Wally | Direct-to-video |
| 2007 | The Simpsons Movie | Homer Simpson, Abe Simpson, Krusty the Clown, various characters | |
| 2008 | | Robot Devil | Direct-to-video |
| Immigrants | Mr. Csapo[2] | English dub |
| Horton Hears a Who! | The Wickersham Brothers | |
| 2021 | The Good, the Bart, and the Loki | Homer Simpson, Barney Gumble | Short film |
| Plusaversary | Homer Simpson, Donald Duck, Barney Gumble, Sideshow Mel, Happy, Grumpy, Winnie the Pooh |
| 2022 | The Simpsons Meet the Bocellis in ‘Feliz Navidad’ | Homer Simpson, Santa's Little Helper |
| 2024 | May the 12th Be with You | Homer Simpson, Abe Simpson, Goofy | |
| Year | Title | Role | Notes |
|---|
| 1989–present | The Simpsons | Homer Simpson, Abe Simpson, Krusty the Clown, various characters | Main role; writer for 8 episodes, consulting producer, co-executive producer |
| 1990 | TaleSpin | Dr. Zibaldo | Episode: "The Incredible Shrinking Molly" |
| 42nd Primetime Emmy Awards | Homer Simpson | Television special |
| 1991–1995 | Taz-Mania | Mister Thickley | Recurring role |
| 1991–2001 | Sesame Street | Homer Simpson | 7 episodes |
| 1991–1992 | Darkwing Duck | Megavolt/Elmo Sputterspark | 19 episodes |
| Back to the Future | Dr. Emmett Brown | 26 episodes |
| 1992 | Fievel's American Tails | Chula the Tarantula, Mr. Schimmel, Slim, Felonious | 9 episodes |
| Dinosaurs | Zabar | Episode: "Germ Warfare" |
| Tiny Toon Adventures | Jeffries, Harvey, Additional voices | 2 episodes |
| Goof Troop | Earl | Episode: "To Catch A Goof"; uncredited |
| 1992–1997 | Eek! The Cat | Mittens, Bill, Hank | 11 episodes |
| 1993 | Animaniacs | Dracula | Episode: "Draculee, Draculaa" |
| The Pink Panther | Voodoo Man, Additional voices | Recurring role |
| Sonic the Hedgehog | Lazaar | Episode: "Super Sonic"; uncredited |
| Marsupilami | Stewart | 2 episodes |
| 1994 | The Critic | Homer Simpson | Episode: "Dial 'M' for Mother" |
| The Tick | Mole King | Episode: "The Tick vs. the Mole-Men" |
| 1994–1995 | Aladdin | Genie, various characters | Main role |
| 1994–2003 | Rugrats | Jonathan, Hershowitz, Jury Foreman, Press, Train Conductor, Head Detective | 6 episodes |
| 1995–1996 | Earthworm Jim | Earthworm Jim, Evil Jim | Main role |
| 1995–1997 | | Chet Bozzack | Episode: "Split Personality" |
| 1996 | Quack Pack | Gil | Episode: "Koi Story" |
| 1996–1998 | The Spooktacular New Adventures of Casper | Additional voices | 52 episodes |
| 1996–2004 | Hey Arnold! | Grandpa Phil Shortman, various characters | Main role |
| 1997 | | Go-Go | Episode: "Tic Track Toe" |
| Nightmare Ned | Number 1 | Episode: "Alien Abduction" |
| The Online Adventures of Ozzie the Elf | Comet, Blitzen | Television film |
| 1997–1999 | Cow and Chicken | Earl, various characters | Recurring role |
| Johnny Bravo | Carl the Carnie, Old man, Harvey | 2 episodes |
| I Am Weasel | Additional voices | 4 episodes |
| 1998 | Hercules | Homer the reporter | 2 episodes |
| 1998–2001 | Histeria! | Additional voices | Recurring role |
| 1999 | Detention | Additional voices | Recurring role |
| Olive, the Other Reindeer | The Postman | Television special |
| 1999–present | Futurama | Robot Devil | 7 episodes |
| 2000 | Buzz Lightyear of Star Command | Various characters | 8 episodes |
| 2000–2001 | Batman Beyond | Mr. Groote, Guard, Kobra Commando | 3 episodes |
| 2001 | The New Woody Woodpecker Show | Additional voices | Episode: "Ya Gonna Eat That?/Chilly & Hungry/Brother Cockroach" |
| 2001–2004 | Lloyd in Space | Dunkirque, Mr. Blobberts, Driver, Rodeo Clown Lloyd, additional voices | 10 episodes |
| 2002 | Jackie Chan Adventures | Jumba | Episode: "Into the Mouth of Evil" |
| Kim Possible | Various characters | 3 episodes |
| 2003 | All Grown Up! | Jonathan | Episode: "Lost At Sea" |
| The Adventures of Jimmy Neutron, Boy Genius | Professor Crank, Hulk Jimmy | 2 episodes |
| Justice League | Minister | Episode: "Maid of Honor" |
| Duck Dodgers | Martian sage, Football player #3, Various characters | Episode: "Quarterback Quack/To Love a Duck" |
| 2004 | As Told by Ginger | Dave Bishop, Jeweler | Episode: "About Face" |
| 2004–2008 | The Batman | Arnold Wesker/Ventriloquist, Scarface, Mr. Snoots | 3 episodes |
| 2005 | What's New, Scooby-Doo? | Officer McBride | Episode: "A Scooby-Doo Valentine" |
| My Life as a Teenage Robot | Drones, Teacher | Episode: "Killgore" |
| Loonatics Unleashed | College Professor | Episode: "The Comet Cometh" |
| 2006 | Casper's Scare School | Stretch | Television film |
| Legion of Super Heroes | Boris, Captain Howdy, Coluans | Episode: "Fear Factory" |
| 2010 | The Simpsons 20th Anniversary Special – In 3-D! On Ice! | Homer Simpson | Television special |
| 2010, 2012, 2015 | Late Show with David Letterman | 3 episodes |
| 2012 | FOX 25th Anniversary Special | Television special |
| 2012, 2014, 2020 | Family Guy | 4 episodes |
| 2014 | Last Week Tonight with John Oliver | Episode: "Episode 24" |
| 2017 | | Grandpa Phil Shortman | Television film[3] |
| 2019 | Brockmire | Duke Yipovski | Episode: "The Yips" | |
| Year | Title | Voice role | Notes |
|---|
| 1991 | The Simpsons | Homer Simpson | |
| 1992 | | |
| 1996 | | Homer Simpson, Krusty the Klown, additional voices | |
| Toonstruck | Flux Wildly | |
| 1997 | Virtual Springfield | Homer Simpson, Grampa Simpson, Krusty the Clown, additional voices | |
| ClayFighter 63⅓ | Earthworm Jim, Boogerman | |
| 1998 | Driver | Answering machine callers | |
| 1999 | | Nordom | |
| Additional voices | |
| Earthworm Jim 3D | Earthworm Jim | [4] |
| The Simpsons Bowling | Homer Simpson, Grampa Simpson, Barney Gumble, additional voices | |
| 2001 | Aladdin in Nasira's Revenge | Genie, Potion Mancom | |
| The Simpsons Wrestling | Homer Simpson, Barney Gumble, Krusty the Clown, additional voices | |
| Homer Simpson, Grandpa Simpson, additional voices | |
| 2002 | Kingdom Hearts | Genie | |
| The Simpsons Skateboarding | Homer Simpson, Krusty the Clown, additional voices | |
| 2003 | | Homer Simpson, Grampa Simpson, Barney Gumble, Krusty the Clown, additional voices | |
| Krunk | |
| 2005 | Kingdom Hearts II | Genie | |
| 2006 | Cartoon Network Racing | Earl | |
| Happy Feet | Ramon, Elephant Seal #1 | |
| 2007 | The Simpsons Game | Homer Simpson, Itchy, Barney Gumble, Grampa Simpson, Krusty the Clown, additional voices | |
| Kingdom Hearts Re:Chain of Memories | Genie | Archival audio |
| 2012 | | Homer Simpson, Grandpa Simpson, Barney Gumble, Krusty the Clown, additional voices | |
| 2013 | Kingdom Hearts HD 1.5 Remix | Genie | Archival audio |
| 2014 | Kingdom Hearts HD 2.5 Remix |
| 2015 | Lego Dimensions | Homer Simpson, Krusty the Clown, Grampa Simpson, Groundskeeper Willie, Hans Moleman, Mayor Quimby | |
