| Movie | 1999 | Muppets from Space | Gonzo / Dr. Bunsen Honeydew / Waldorf / The Birdman (voice) | |
| Movie | 1979 | The Muppet Movie | The Great Gonzo / Dr. Bunsen Honeydew / Zoot / Doglion / Iraqian in El Sleezo Cafe / Pig (voice) | |
| Movie | 1984 | The Muppets Take Manhattan | Gonzo / Chester - Rat / Bill - Frog / Zoot / Beauregard / Dog / Dr. Bunsen Honeydew / Penguin (voice) | |
| Movie | 2021 | Dear Earth | Zoot (voice) | |
| Movie | 1981 | Of Muppets & Men | Self | |
| Movie | 1987 | A Muppet Family Christmas | Gonzo / Dr. Bunsen Honeydew / Zoot / Beauregard / Boober Fraggle | |
| Movie | 2008 | A Muppets Christmas: Letters to Santa | The Great Gonzo / Waldorf / Dr. Bunsen Honeydew / Zoot (voice) | |
| Movie | 1990 | The Muppets Celebrate Jim Henson | The Great Gonzo / Beauregard / Boober Fraggle / Zoot (voice) | |
| Movie | 1981 | The Great Muppet Caper | Gonzo / Beauregard / Zoot / Dr. Bunsen Honeydew / Lobbuck Lou | |
| Movie | 2002 | Kermit's Swamp Years | Waldorf (voice) | |
| Movie | 1999 | The Adventures of Elmo in Grouchland | Humongous Chicken (voice) | |
| Movie | 1986 | The Christmas Toy | Rugby the Tiger / Ditz (voice) | |
| Movie | 1985 | Gonzo Presents Muppet Weird Stuff | Gonzo (voice) | |
| Movie | 1985 | The Muppet Revue | Gonzo (voice) | |
| Movie | 1985 | Muppet Video: Rowlf's Rhapsodies with the Muppets | Gonzo (voice) | |
| Movie | 2013 | Lady Gaga & the Muppets Holiday Spectacular | The Great Gonzo, Dr. Bunsen Honeydew, Waldorf, Zoot (voice) | |
| Movie | 1983 | Rocky Mountain Holiday with John Denver and the Muppets | Gonzo the Great / Zoot / Lubbock Lou (voice) | |
| Movie | 2005 | Fraggle Rock: Dance Your Cares Away | Boober Fraggle (voice) | |
| Movie | 1981 | The Muppets Go to the Movies | The Great Gonzo / Joe / Beauregard / Fireman (voice) | |
| Movie | 2014 | Muppets Most Wanted | The Great Gonzo, Dr. Bunsen Honeydew, Zoot, Beauregard, Waldorf | |
| Movie | 1979 | The Muppets Go Hollywood | Various Muppets | |
| Movie | 1982 | The Fantastic Miss Piggy Show | Gonzo / Dr. Bunsen Honeydew (voice) | |
| Movie | 2005 | Fraggle Rock: Live by the Rule of the Rock | Boober Fraggle / Philo / Uncle Travelling Matt (voice) | |
| Movie | 2012 | The Muppets All-Star Comedy Gala | Gonzo / Waldorf / Beauregard (voice) | |
| Movie | 2000 | Bear in the Big Blue House: A Berry Bear Christmas | Jack the Dog | |
| Movie | 2018 | Seth Rogen's Hilarity for Charity | Gonzo/Waldorf (voice) | |
| Movie | 2002 | I Love Muppets | The Great Gonzo (voice) | |
| Movie | 2006 | Best Ever Muppet Moments | Self | |
| Movie | 1985 | Children's Songs and Stories with the Muppets | Gonzo (voice) | |
| Movie | 1996 | Muppet Treasure Island | The Great Gonzo / Dr. Bunsen Honeydew / Waldorf / Mudwell the Mudbunny / Zoot (voice) | |
| Movie | 2022 | Jerry Nelson: A Celebratory Birthday Animatic | Zoot (voice) / Boober (voice) / Gonzo (voice) / others (voice) | |
| Movie | 2012 | The Secret Policeman's Ball | Waldorf (voice) | |
| Movie | 2011 | The Muppets | Gonzo / Honeydew / Zoot / Beauregard / Waldorf (voice) | |
| Movie | 1975 | Muppet Picker Upper | Gonzo (voice) | |
| Movie | 1996 | Muppet Sing Alongs: Muppet Treasure Island | The Great Gonzo (voice) (archive footage) | |
| Movie | 1989 | The Song of the Cloud Forest | Milton (voice) | |
| Movie | 1999 | The Very Best of the Muppet Show | Gonzo / Zoot / Dr Bunsen Honeydew | |
| Movie | 1999 | The Very Best of the Muppet Show: Volume 2 | Gonzo / Zoot / Dr Bunsen Honeydew | |
| Movie | 2001 | The Very Best of the Muppet Show: Volume 3 | Gonzo / Beauregard | |
| Movie | 2009 | Jim Henson's Tales from Muppetland | | |
| Movie | 2024 | Inside Out 2 | Mind Cop Frank (voice) | |
| Movie | 2015 | Inside Out | Subconscious Guard Frank (voice) | |
| Movie | 2024 | Jim Henson Idea Man | Self | |
| Movie | 1989 | Miss Piggy's Hollywood | Gonzo | |
| Movie | 1987 | Down at Fraggle Rock | Boober Fraggle / Uncle Travelling Matt / Self | |
| Movie | 2002 | Weezer and the Muppets Go Fishin' | Gonzo | |
| Movie | 2002 | It's a Very Merry Muppet Christmas Movie | The Great Gonzo / Dr. Bunsen Honeydew / Waldorf / Zoot (voice) | |
| Movie | 2005 | The Muppets' Wizard of Oz | Tin Thing / Kalidah Critic #2 / Dr. Bunsen Honeydew / Zoot | |
| Movie | 1994 | Muppet Classic Theater | Gonzo / Rizzo the Rat / Randy Pig (voice) | |
| Movie | 1979 | John Denver and the Muppets: A Christmas Together | The Great Gonzo / Zoot / Dr. Bunsen Honeydew (voice) | |
| Movie | 2017 | Muppet Guys Talking: Secrets Behind the Show the Whole World Watched | Self | |
| Movie | 1985 | Muppet Video: The Kermit and Piggy Story | | |
| Movie | 1984 | The Bells of Fraggle Rock | Boober Fraggle / Uncle Travelling Matt (voice) | |
| Movie | 1995 | Rudy Coby: The Coolest Magician on Earth | Gonzo (as Gonzo The Great) | |
| Movie | 1994 | Muppet Sing Alongs: It's Not Easy Being Green | Gonzo / Wendell / Otto the Octopus / Boober Fraggle (voice) | |
| Movie | 2011 | Disney Parks Christmas Day Parade | Waldorf (voice) | |
| Movie | 1986 | Labyrinth | Didymus / The Hat / The Four Guards / Left Door Knocker / Firey 3 (voice) | |
| Movie | 1990 | The Muppets at Walt Disney World | The Great Gonzo / Dr. Bunsen Honeydew / Beauregard / Zoot / Frog (voice) | |
| Movie | 1977 | Emmet Otter's Jug-Band Christmas | Wendell / Pop-eyed Catfish / Will Possum (voice) | |
| Movie | 2018 | The Muppets Take The O2 | The Great Gonzo / Dr. Bunsen Honeydew / Zoot / Waldorf / Beauregard / Chip / Himself (voice) | |
| Movie | 1979 | The Orson Welles Show | Gonzo (voice) | |
| Movie | 2007 | Reflections of 'The Dark Crystal' | Himself | |
| Movie | 2007 | Journey Through the Labyrinth | Self | |
| Movie | 1986 | The Muppets: A Celebration of 30 Years | The Great Gonzo / Dr. Bunsen Honeydew / Beauregard / Zoot / Uncle 'Travelling' Matt Fraggle / Boober Fraggle (voice) | |
| Movie | 2008 | The Muppets - Studio DC - Almost Live | Gonzo / Waldorf (voice) | |
| Movie | 1994 | The World of Jim Henson | Self (archive footage) | |
| Movie | 1986 | Fraggles Look For Jobs | Boober (voice) | |
| Movie | 1988 | Muppet Studios Presents: You're the Director | Gonzo (voice) | |
| Movie | 2004 | Weezer: Video Capture Device - Treasures from the Vault 1991-2002 | Gonzo / Waldorf ("Keep Fishin") | |
| Movie | 1961 | The Parent Trap | Teenager (uncredited) | |
| Movie | 2020 | The Disney Family Singalong - Volume II | The Muppets Puppeteer | |
| Movie | 2020 | Muppet Guys Talking: A Special Conversation to Honor Jim Henson | Self | |
| Movie | 1990 | Disneyland's 35th Anniversary Special | Gonzo (voice) | |
| Movie | 1992 | The Muppet Christmas Carol | The Great Gonzo as Charles Dickens / Robert Marley / Dr. Bunsen Honeydew / Betina Cratchit / Rat / Zoot (voice) | |
| Movie | 1989 | Dog City: The Movie | Frisky (voice) | |
| Movie | 2021 | Muppets Haunted Mansion | Gonzo / Bunsen / Zoot / Beauregard / Waldorf / Chip / Randy Pig | |
| Movie | 1982 | The Dark Crystal | Fizzgig, a Friendly Monster / General, Garthim Master | |
| Movie | 1990 | The Earth Day Special | Old Frog (voice) | |
| Movie | 1975 | Just a Few Announcements | Gonzo | |
| Movie | 2008 | The Muppets: Classical Chicken | The Great Gonzo | |
| Movie | 2008 | The Muppets: Stars & Stripes FOREVER! | Waldorf | |
| Movie | 1985 | Muppet Treasures | Gonzo / Zoot / Penguin | |
| Movie | 1978 | Julie Andrews: One Step Into Spring | Gonzo | |
| Movie | 1992 | Holiday Greetings from 'The Ed Sullivan Show' | Gonzo | |
| Movie | 1990 | Jim Henson's Memorial Service | | |
| Movie | 1991 | Muppet*Vision 3D | Gonzo / Dr. Bunsen Honeydew / Zoot (voice) | |
| Movie | 1976 | Kagayake! Gorō Mapetto Geba Geba 90-pun! | | |
| TV Show | 1969 | Sesame Street | | 2749 |
| TV Show | 1984 | The Cosby Show | The Great Gonzo / Digit (voice) | 1 |
| TV Show | 1983 | Fraggle Rock | The World's Oldest Fraggle | 0 |
| TV Show | 1983 | Fraggle Rock | Boober / Uncle "Traveling" Matt / Side Bottom / The World's Oldest Fraggle (voice) | 96 |
| TV Show | 1983 | Fraggle Rock | Uncle "Traveling" Matt | 0 |
| TV Show | 1976 | The Muppet Show | Gonzo / Zoot / Beauregard / Dr. Bunsen Honeydew (voice) | 120 |
| TV Show | 1996 | Muppets Tonight | Gonzo / Dr. Bunsen / Waldorf / Randy / Beauregard / Bill | 22 |
| TV Show | 1989 | The Jim Henson Hour | | 12 |
| TV Show | 1985 | Jim Henson's Little Muppet Monsters | | 13 |
| TV Show | 2009 | The Great Debate | | 6 |
| TV Show | 1994 | Jim Henson's Animal Show with Stinky and Jake | | 65 |
| TV Show | 1975 | Saturday Night Live | Self - Cameo (uncredited) | 1 |
| TV Show | 2008 | Studio DC: Almost Live | Gonzo the Great, Zoot, Waldorf, Dr. Bunsen Honeydew, Pancake the Water Buffalo | 2 |
| TV Show | 2015 | The Muppets | The Great Gonzo / Waldorf / Zoot (voice) | 16 |
| TV Show | 2022 | Fraggle Rock: Back to the Rock | Boober Fraggle (voice) | 27 |
| TV Show | 1969 | Peter Alexander präsentiert Spezialitäten | Self | 1 |
| TV Show | 1978 | An Audience with... | The Great Gonzo | 1 |
| TV Show | 2023 | The Muppets Mayhem | Zoot (voice) | 10 |
| TV Show | 2020 | Fraggle Rock: Rock On! | Boober Fraggle / Travelling Matt (voice) | 6 |
| TV Show | 2020 | Prop Culture | Himself | 1 |
| TV Show | 2020 | Muppets Now | Dr. Bunsen Honeydew (voice) | 6 |
| TV Show | 2015 | Muppet Moments | The Great Gonzo | 41 |
| TV Show | 1994 | Secret Life of Toys | Rugby / Ditz | 13 |
| TV Show | 2019 | The Dark Crystal: Age of Resistance | Baffi (voice) / Baffi (puppet) | 3 |
