| 2004 |
Dakota Life: Episode |
Episode, Subject (person only) |
| 2002 |
Kermit's Swamp Years |
Movie, Actor - Statler |
| 1999 |
The Adventures Of Elmo In Grouchland |
Movie, Actor - Voice of Count/Pestie/Grouch Mayor/Grouch Cop |
| 1997 |
Muppets Tonight |
TV Show Series, Actor - Lew Zealand/Statler/Announcer |
| 1992 |
The Muppet Christmas Carol |
Movie, Actor - Tiny Tim Cratchit/Jacob Marley/Ma Bear/Ghost of Ch |
| 1990 |
Robocop 2 |
Movie, Actor - Darren Thomas |
| 1987 |
Winners Take All |
Movie, Actor - Head Official |
| 1985 |
Sesame Street Presents |
Movie, Actor - Principal Muppet Performers |
| 1984 |
The Muppets Take Manhattan |
Movie, Actor - Camilla/Lew Zealand/Floyd |
| 1983 |
Fraggle Rock |
TV Show Series, Voice - Gobo/Marjorie/Pa Gorg |
| 1982 |
The Dark Crystal |
Movie, Actor - High Priest |
| 1981 |
The Great Muppet Caper |
Movie, Actor - Floyd/Pops/Lew Zealand |
| 1979 |
The Muppet Movie |
Movie, Actor - Floyd Pepper/Crazy Harry/Robin the Frog/Lew Zealan |
| 1976 |
The Muppet Show |
TV Show Series, Voice - Floyd/Dr. Strangepork |
| 1970 |
Sesame Street |
TV Show Series, Performer - Count von Count |
|
Emmet Otter's Jug-Band Christmas |
TV Show Series, Voice |