| New Old Friends (2024) as Ernest |
| Sammy-Gate (2020) as Richard Nixon |
| Bongee Bear and the Kingdom of Rhythm (2019) as Gary the Baker (voice) |
| Love Addict (2016) as Louis Davenport |
| Pups of Liberty: The Dog-claration of Independence (2015) as (voice) |
| Inside Out (2015) as Additional Voices (voice) |
| Window of Opportunity (2015) as Carl |
| The Reef 2: High Tide (2012) as Moe (voice) |
| The Outback (2012) as Lug (voice) |
| The Princess and the Frog (2009) as Cajun Firefly (voice) |
| Pups of Liberty: The Boston Tea-Bone Party (2009) as Spaniel Adams (voice) |
| Nova Express (2009) as Narrator (voice) |
| Dr. Dolittle: Million Dollar Mutts (2009) as Monkey / Snake (voice) |
| Pulp Fiction: The Golden Age of Storytelling (2009) as Self |
| Fly Me to the Moon (2008) as Senior Official (voice) |
| Dr. Dolittle: Tail to the Chief (2008) as Monkey (voice) |
| Happily N'Ever After (2007) as Freund #1 (voice) |
| Night at the Museum (2006) as Moose (uncredited) |
| Barnyard (2006) as Additional Barnyard Voices (voice) |
| King Leopold's Ghost (2006) as Voicer |
| Dr. Dolittle 3 (2006) as Stray Dog / Drunk Monkey (voice) |
| I'm Not Gay (2005) as Judge |
| Rugrats: Tales from the Crib: Snow White (2005) as Howard (voice) |
| Thru the Moebius Strip (2005) as Rebel (voice) |
| LeapFrog: Math Circus (2004) as Professor Quigley (voice) |
| Home on the Range (2004) as Additional Voices (voice) |
| Proteus: A Nineteenth Century Vision (2004) as Wolfgang von Goethe (voice) |
| Rugrats Go Wild (2003) as Howard DeVille (voice) |
| Finding Nemo (2003) as Additional Voices (voice) |
| 101 Dalmatians II: Patch's London Adventure (2003) as Additional Voices (voice) |
| Treasure Planet (2002) as Additional Voices (voice) |
| Tarzan & Jane (2002) as (voice) |
| Ice Age (2002) as Various Mammals (uncredited) |
| Cinderella II: Dreams Come True (2002) as Additional Voices (voice) |
| Monsters, Inc. (2001) as Additional Voices (voice) |
| Dr. Dolittle 2 (2001) as Drunk Monkey (voice) |
| Recess: School's Out (2001) as Golfer #2 / Scientist #2 (voice) |
| The Firesign Theatre: Weirdly Cool (2001) as Self |
| The Emperor's New Groove (2000) as Villagers (voice) (uncredited) |
| Rugrats in Paris: The Movie (2000) as Howard DeVille (voice) |
| The Independent (2000) as Rob's Dad |
| Running Mates (2000) as Oregon Delegate |
| The Adventures of Rocky & Bullwinkle (2000) as RBTV Floor Director |
| Toy Story 2 (1999) as Additional Voices (voice) |
| The Iron Giant (1999) as Additional Voices (voice) |
| Muppets from Space (1999) as Additional Muppet Performer (uncredited) |
| Tarzan (1999) as English Captain / Scared Elephant (voice) |
| Witch Hunt (1999) as Rail Official |
| Doug's 1st Movie (1999) as Additional Voices (voice) |
| A Bug's Life (1998) as Additional Voices (voice) |
| The Rugrats Movie (1998) as Howard DeVille / Igor (voice) |
| Doctor Dolittle (1998) as Drunk Monkey (Voice) |
| Menno's Mind (1997) as The Inspector |
| Beauty and the Beast: The Enchanted Christmas (1997) as Additional Voice Artist (voice) |
| The Hunchback of Notre Dame (1996) as Additional Voices (voice) |
| Bio-Dome (1996) as Axl |
| Theodore Rex (1995) as Voice Performer (voice) |
| Toy Story (1995) as Pizza Planet Announcer / Pizza Planet Guard (voice) |
| Pocahontas (1995) as Various (voice) (uncredited) |
| The Lion King (1994) as Additional Voices (voice) |
| The Town Santa Forgot (1993) as Mr. Creek |
| The Town Santa Forgot (1993) as Mr. Creek (voice) |
| Based on an Untrue Story (1993) as Bruno |
| The Muppet Christmas Carol (1992) as Additional Muppet Performer (uncredited) |
| Aladdin (1992) as Additional Voices (voice) |
| Beauty and the Beast (1991) as Additional Voices (voice) |
| Bad Attitudes (1991) |
| The Rescuers Down Under (1990) as Additional Voices (voice) |
| Cyber-C.H.I.C. (1990) as Police Chief Morton |
| Lobster Man from Mars (1990) as Lou |
| Night Life (1989) as Randolph Whitlock |
| Terrorist on Trial: The United States vs. Salim Ajami (1988) as Newscaster |
| Amazon Women on the Moon (1987) as Mike (segment "Silly Paté") |
| Courtesy is Caring (1987) |
| Sport Goofy in Soccermania (1987) as Additional Voices (voice) |
| Kingdom Chums - Little David's Adventure (1986) as (voice) |
| Eat or Be Eaten (1986) as Haryll Hee / Guard / Ed Stiffner / Wino Brothers Wine announcer |
| Gary Coleman: For Safety's Sake (1986) as Frank (uncredited) |
| Firesign Theatre Presents 'Hot Shorts' (1985) as Various Roles (Voice) |
| Robotman & Friends (1985) as Uncle Thomas Cooper |
| Sam's Son (1984) as Art Fisher |
| Nick Danger in the Case of the Missing Yolk (1983) as Rocky Rococo / Ma Yolk / Dr. Dogg |
| Packin' It In (1983) as Cliff |
| Fun with Mr. Future (1982) as Mr. Future |
| Twilight Theatre (1982) |
| Below the Belt (1980) as (voice) |
| Human Experiments (1979) as Prosecutor (voice) |
| J-Men Forever (1979) as Barton |
| Petronella (1978) as The King (voice) |
| Cracking Up (1977) as Walter Concrete |
| Tunnel Vision (1976) as Christian A. Broder |
| Everything You Know Is Wrong (1975) as Limb Ashauler / Martian voices / Sam Evans / Beaulah Bell / Nino the mind-boggler / Bunny Crumbhunger / Gen. Curtis Goatheart / Colonel |
| Firesign Funnies (1974) |
| Sonic Boom (1974) as Bob Bangles |
| TV or Not TV (1973) |
| A Safe Place (1971) as Fred |
| Murder à la Mod (1968) as Soap Opera voice |
| One Missed Call Special Effects Technician |
| Firesign Theatre Presents 'Hot Shorts' Writer |
| Americathon Adaptation |
| Americathon Theatre Play |
| J-Men Forever Writer |
| Cracking Up Writer |
| Everything You Know Is Wrong Director |
| Everything You Know Is Wrong Producer |
| Everything You Know Is Wrong Writer |
| Zachariah Writer |