| Star Tours: The Adventures Continue | 2011 | Yoda (voice) | Short Film |
| Star Wars: Episode III - Revenge of the Sith | 2005 | Yoda (voice) | Movie |
| Zathura: A Space Adventure | 2005 | Robot (voice) | Movie |
| Avenue of the Stars: 50 Years of ITV | 2005 | Miss Piggy | TV Show |
| Happy Healthy Summer | 2005 | Grover - Host | TV Show |
| Star Wars: Episode II - Attack of the Clones | 2002 | Yoda (voice) | Movie |
| Play with Me Sesame | 2002 | Bert / Grover / Cookie Monster / ... (voice) | TV Show |
| Monsters, Inc. | 2001 | Fungus (voice) | Movie |
| Muppet Monster Adventure | 2000 | Miss Piggy / Fozzie Bear / Animal / ... (voice) | Unknown |
| Muppet Race Mania | 2000 | Miss Piggy / Fozzie / Animal / ... (voice) | Unknown |
| Muppets from Space | 1999 | Miss Piggy / Fozzie Bear / Animal / ... (voice) | TV Show |
| Star Wars: Episode I - The Phantom Menace | 1999 | Yoda (voice) | Movie |
| The Adventures of Elmo in Grouchland | 1999 | Bert / Grover / Cookie Monster (voice) | Movie |
| Cinderelmo | 1999 | Bert / Grover / Cookie Monster (voice) | TV Movie |
| Sesame English | 1999 | Grover / Bert / Cookie Monster | TV Show |
| Elmo's Number Journey | 1999 | Cookie Monster / Grover (voice) | Unknown |
| Blues Brothers 2000 | 1998 | Warden | Movie |
| Elmopalooza! | 1998 | Bert / Cookie Monster / Grover (voice) | TV Movie |
| A Brief History of Motion Pictures | 1998 | Cookie Monster / Marshall Grover / Bert (voice) | Short Film |
| Sesame Street: Elmo Through the Looking-Glass | 1998 | Alistair Cookie / Sir Grover (voice) | Unknown |
| Sesame Street: Grover's Travels | 1998 | Grover the Traveler / Alistair Cookie (voice) | Unknown |
| Elmo's World | 1998 | Bert | TV Show |
| Elmo Says Boo | 1997 | Bert (voice) | Short Film |
| Sesame Street: Get Up and Dance | 1997 | | Short Film |
| Sesame Street: Numbers | 1997 | Bert | Unknown |
| Sesame Street: Letters | 1997 | Bert | Unknown |
| Muppet Treasure Island | 1996 | Miss Piggy / Fozzie Bear / Sam the Eagle / ... (voice) | Movie |
| Muppets Tonight | 1996 | Miss Piggy / Fozzie Bear / Sam the Eagle / ... | TV Show |
| Muppets Treasure Island | 1996 | Miss Piggy / Fozzie Bear / Sam the Eagle / ... (voice) | Unknown |
| The Muppet CDROM: Muppets Inside | 1996 | Fozzie Bear / Miss Piggy / Animal / ... (voice) | Unknown |
| Sesame Street: Get Set to Learn! | 1996 | Cookie Monster / Grover (voice) | Unknown |
| Search & Learn Adventures | 1996 | Grover / Bert / Cookie Monster | Unknown |
| Animal Show | 1994 | Sam the Eagle | TV Show |
| Everything Went Wrong | 1994 | Voiceover | Short Film |
| The Muppets: She Drives Me Crazy | 1994 | Miss Piggy (voice) | Music Video |
| Sesame Street Jam: A Musical Celebration | 1993 | Bert / Grover / Cookie Monster (voice) | TV Movie |
| Sesame Street Stays Up Late! | 1993 | Bert / Grover / Cookie Monster / ... (voice) | TV Movie |
| Innocent Blood | 1992 | Pathologist | Movie |
| The Muppet Christmas Carol | 1992 | Miss Piggy / Fozzie Bear / Sam Eagle / ... (voice) | Movie |
| What's Up Doc? | 1992 | Miss Piggy | TV Show |
| Muppet*vision 3-D | 1991 | Miss Piggy / Fozzie Bear / Sam the Eagle / ... (voice) | Short Film |
| Big Bird's Birthday or Let Me Eat Cake | 1991 | Cookie Monster / Grover / Bert (voice) | TV Movie |
| Sesame Street: Monster in the Mirror | 1991 | Grover (voice) | Music Video |
| Disneyland's 35th Anniversary Special | 1990 | Miss Piggy (voice) | TV Show |
| The Jim Henson Hour | 1989 | Fozzie Bear / Miss Piggy / Animal | TV Show |
| Sesame Street, Special | 1988 | Bert / Grover / Cookie Monster (voice) | TV Movie |
| Free to Be... a Family | 1988 | Miss Piggy (voice) | TV Movie |
| Sesame Street: Oscar's Letter Party | 1988 | Grover (voice) | Unknown |
| A Muppet Family Christmas | 1987 | Fozzie Bear / Animal / Miss Piggy / ... (voice) | TV Movie |
| Inner Tube | 1987 | Miss Piggy (voice) | TV Show |
| Dolly | 1987 | Miss Piggy | TV Show |
| Labyrinth | 1986 | The Wiseman | Movie |
| The Muppets: A Celebration of 30 Years | 1986 | Fozzie Bear / Miss Piggy / Sam the Eagle / ... (voice) | TV Movie |
| Follow That Bird | 1985 | Cookie Monster / Bert / Grover / ... (voice) | Movie |
| Spies Like Us | 1985 | Test Monitor | Movie |
| Muppet Perk-Up | 1985 | Grump / Kent (voice) | Short Film |
| Jim Henson's Little Muppet Monsters | 1985 | Fozzie Bear | TV Show |
| The Muppets Take Manhattan | 1984 | Miss Piggy / Fozzie / Animal / ... (voice) | Movie |
| Alive from Off Center | 1984 | Bert | TV Show |
| Star Wars: Episode VI - Return of the Jedi | 1983 | Yoda (voice) | Movie |
| Superman III | 1983 | Brain Surgeon (scenes deleted) | Movie |
| Trading Places | 1983 | Corrupt Cop | Movie |
| Big Bird in China | 1983 | Bert / Cookie Monster / Grover (voice) | TV Movie |
| Don't Eat the Pictures: Sesame Street at the Metropolitan Museum of Art | 1983 | Bert / Cookie Monster / Grover (voice) | TV Movie |
| The Dark Crystal | 1982 | Aughra, a Keeper Of Secrets (performer) / Chamberlain (performer) | Movie |
| An American Werewolf in London | 1981 | Mr. Collins / Miss Piggy | Movie |
| The Great Muppet Caper | 1981 | Miss Piggy / Fozzie Bear / Animal / ... (voice) | Movie |
| The Muppets Go to the Movies | 1981 | Fozzie Bear / Miss Piggy / Sam the Eagle (voice) | TV Movie |
| Muppet Side Splitter | 1981 | Grump (voice) | Short Film |
| Star Wars: Episode V - The Empire Strikes Back | 1980 | Yoda (voice) | Movie |
| The Blues Brothers | 1980 | Corrections Officer | Movie |
| The Muppet Movie | 1979 | Miss Piggy / Fozzie Bear / Animal / ... (voice) | Movie |
| Muppet Breaker Upper | 1979 | Grump / Gorilla (voice) | Short Film |
| Muppet Gimme a Break | 1979 | Grump (voice) | Short Film |
| Christmas Eve on Sesame Street | 1978 | Bert / Cookie Monster / Grover (voice) | TV Movie |
| Emmet Otter's Jug-Band Christmas | 1977 | Chuck / Ma Otter (assistant) (voice) | TV Movie |
| International Festival of Animation | 1977 | Grover (1977) (voice, uncredited) | TV Show |
| The Muppet Show | 1976 | Fozzie Bear / Miss Piggy / Animal / ... | TV Show |
| Isabella and the Magic Brush | 1976 | | Short Film |
| Saturday Night Live | 1975 | The Mighty Favog / The Mighty Favog (segment 'The Land of Gorch') / The Mighty Favog (segment 'Dregs and Vestiges') / ... | TV Show |
| Muppets No-Nonsense Show | 1975 | | TV Movie |
| Muppet Picker Upper | 1975 | Sam the Eagle (voice) | Short Film |
| Julie: My Favourite Things | 1975 | Varoius Muppets | TV Movie |
| Out to Lunch | 1974 | Bert / Cookie Monster / Grover (voice) | TV Movie |
| Tales from Muppetland: The Muppet Musicians of Bremen | 1972 | Leroy the Donkey (Assistant) / Rat (voice) | TV Movie |
| Tales from Muppetland: The Frog Prince | 1971 | Gawain / Robin the Frog (assistant) (voice) | TV Movie |
| Great Performances | 1971 | Miss Piggy | TV Show |
| The Electric Company | 1971 | Grover | TV Show |
| The Great Santa Claus Switch | 1970 | Thig / Skippity / Hoppity / ... (voice) | TV Movie |
| Hey Cinderella! | 1969 | Splurge / Stepsister #1 (voice) | TV Movie |
| Sesame Street | 1969 | Bert / Grover / Cookie Monster / ... | TV Show |
| Sesame Street Pitch Reel | 1969 | Scoop / Beautiful Day Monster (voice) | Short Film |
| Peter Alexander präsentiert Spezialitäten | 1969 | Bert / Cookie Monster | TV Show |
| Our Place | 1967 | Cookie Monster (1967) | TV Show |
| Coffee Break Machine | 1967 | The Monster (voice) | Short Film |
| Time Piece | 1965 | Messenger boy (as Frank Oznowicz) | Short Film |
| The Jimmy Dean Show | 1963 | Rowlf the Dog (assistant) (1963-1966) | TV Show |
| The Tonight Show Starring Johnny Carson | 1962 | Miss Piggy / Fozzie Bear / Animal | TV Show |
| Blue Peter | 1958 | Fozzie Bear | TV Show |
| The Magical World of Disney | 1954 | Miss Piggy / Fozzie Bear / Animal | TV Show |
