 | Jumanji: Open World (2026) as Eddie |
 | Cop Origin Story (2026) |
 | PaleyLive: It’s Always Sunny in Philadelphia 20th Anniversary Celebration! (2025) as Self |
 | Garden State - The 20th Anniversary Concert (2025) as Self - Presenter |
 | Thank You Very Much (2025) as Self |
 | A Sudden Case of Christmas (2024) as Lawrence Armanetti |
 | Beetlejuice Beetlejuice (2024) as Janitor |
 | Tim Burton: Life in the Line (2024) as Self |
 | Poolman (2024) as Jack Denisoff |
 | Migration (2023) as Uncle Dan (voice) |
 | Haunted Mansion (2023) as Bruce Davis |
 | Minions & More 2 (2022) as The Lorax (voice) |
 | Minions & More Volume 1 (2022) as The Lorax (voice) |
 | The Survivor (2022) as Charley Goldman |
 | Catwoman: The Feline Femme Fatale (2021) as Self |
| | Quentin Tarantino: From a Movie Buff to a Hollywood Legend (2021) as Self (archive footage) |
 | The One and Only Ivan (2020) as Bob (voice) |
 | Jumanji: The Next Level (2019) as Eddie |
 | Dumbo (2019) as Maximilian "Max" Medici |
 | Smallfoot (2018) as Dorgle (voice) |
 | Animal Crackers (2018) as Chesterfield (voice) |
 | The Flying Carsons: Part 1 - Hunter (2018) as Uncle Jack (voice) |
 | Jim & Andy: The Great Beyond (2017) as Self |
 | Harold and Lillian: A Hollywood Love Story (2017) as Self |
 | The Comedian (2016) as Jimmy Berkowitz |
 | Wiener-Dog (2016) as Dave Schmerz |
 | Curmudgeons (2016) as Jackie |
 | Must See TV: An All Star Tribute to James Burrows (2016) as Self |
| | Today's the Day (2014) as Mr. Bees |
 | Illumination 7 Mini-Movie Collection (2014) as The Lorax |
 | All the Wilderness (2014) as Walter Pembry |
 | Hotel Noir (2012) as Eugene Portland |
 | Forces of Nature (2012) as The Lorax (voice) |
 | The Lorax (2012) as The Lorax (voice) |
 | Revenge of the Electric Car (2011) as Self (EV1 Driver) |
 | Girl Walks Into a Bar (2011) as Aldo |
 | Inside the Actor's Workshop (2010) as Actor |
 | I'm Still Here (2010) as Danny DeVito |
 | When in Rome (2010) as Al Russo |
 | House Broken (2009) as Cathkart |
 | A Very Sunny Christmas (2009) as Frank Reynolds |
 | The Nightman Cometh: Live (2009) as Frank Reynolds |
 | Solitary Man (2009) as Jimmy Marino |
 | Making of One Flew Over the Cuckoo's Nest (2009) as Self |
 | Little Spirit: Christmas in New York (2008) as Cab Driver / Narrator (voice) |
 | Shadows of the Bat: The Cinematic Saga of the Dark Knight (2008) as Self |
 | Whatever You Desire: Making 'L.A. Confidential' (2008) as Self |
 | Just Add Water (2008) as Merl |
 | Francis Ford Coppola Directs 'John Grisham's the Rainmaker' (2007) as Self |
 | Nobel Son (2007) as Gastner |
 | Even Money (2007) as Walter |
 | Reno 911!: Miami (2007) as District Attorney |
 | The Good Night (2007) as Mel |
 | Deck the Halls (2006) as Buddy Hall |
 | 10 Items or Less (2006) as Big D |
 | Boffo! Tinseltown's Bombs and Blockbusters (2006) as Self |
 | Relative Strangers (2006) as Frank Menure |
| | My Girlfriend's Abroad (2006) as Uncle Rick (uncredited) |
 | The Oh in Ohio (2006) as Wayne the Pool Guy |
 | Marilyn Hotchkiss' Ballroom Dancing & Charm School (2006) as Booth |
| | Be Cool, Very Cool (2005) as Self |
 | Matilda's Movie Magic: The Making of 'Matilda' (2005) as Self |
 | My Movie About Making 'Matilda' by Mara Wilson (2005) as Self |
 | Saturday Night Live in the '80s: Lost and Found (2005) as Self |
 | Be Cool (2005) as Martin Weir |
 | The Divine Bette Midler (2005) as Self |
 | Christmas in Love (2004) as Brad La Guardia |
| | The Misbehavers (2004) as Self |
| | Catching Kringle (2004) as General Needham |
| | Jack Nicholson: The Joker Is Wild (2004) as Self(archive footage) (uncredited) |
 | Big Fish (2003) as Amos Calloway |
 | Duplex (2003) as Narrator (voice) (uncredited) |
 | Anything Else (2003) as Harvey Wexler |
 | Billy Connolly: A BAFTA Tribute (2002) as Self |
| | Death to Smoochy: Bloopers & Outtakes (2002) as Self |
 | Death to Smoochy: Behind the Scenes Documentary (2002) as Self |
 | Austin Powers in Goldmember (2002) as Danny DeVito / Famous Mini Me ('Austinpussy') |
 | What’s the Worst That Could Happen: Scene Stealers (2002) as Self |
 | Death to Smoochy (2002) as Burke Bennett |
 | De Superman à Spider-Man: L'aventure des super-héros (2001) as The Penguin (archive footage) |
 | Heist (2001) as Mickey Bergman |
 | America | A Tribute to Heroes (2001) as Self |
 | What's the Worst That Could Happen? (2001) as Max Fairbanks |
 | Screwed (2000) as Grover Cleaver |
 | The Virgin Suicides (2000) as Dr. Horniker |
 | Drowning Mona (2000) as Chief Wyatt Rash |
 | Man on the Moon (1999) as George Shapiro |
 | The Big Kahuna (1999) as Phil Cooper |
 | Living Out Loud (1998) as Pat Francato |
 | Saturday Night Live: The Best of Phil Hartman (1998) as Al Goldstein |
 | Completely Cuckoo (1997) as Self |
 | The Rainmaker (1997) as Deck Shifflet |
 | L.A. Confidential (1997) as Sid Hudgens |
 | Men in Black (1997) as Alien on TV Monitor (uncredited) |
 | Hercules (1997) as Philoctetes (voice) |
 | Mars Attacks! (1996) as Rude Gambler |
 | Space Jam (1996) as Swackhammer (voice) |
 | Matilda (1996) as Harry Wormwood / Narrator (voice) |
 | Little Red Riding Hood (1995) as Wolfie (voice) |
 | Get Shorty (1995) as Martin Weir |
 | The World of Jim Henson (1994) as Self (archive footage) |
 | Junior (1994) as Dr. Larry Arbogast |
 | Renaissance Man (1994) as Bill Rago |
 | Sesame Street | All-Star 25th Birthday: Stars and Street Forever! (1994) as Worm TV Host |
 | Look Who's Talking Now! (1993) as Rocks (voice) |
 | Last Action Hero (1993) as Whiskers (voice) (uncredited) |
 | Jack the Bear (1993) as John Leary |
 | Hoffa (1992) as Bobby Ciaro |
 | Batman Returns (1992) as Penguin |
 | Batman Returns: The Bat, the Cat, and the Penguin (1992) as Self |
 | Siskel & Ebert 1991 Holiday Video Gift Guide (1991) |
 | Other People's Money (1991) as Lawrence Garfield |
 | Branford Marsalis: Steep (1991) as Self |
 | Amazing Stories: The Movie II (1990) as Herbert (archive footage) |
 | Sesame Street: Sing Yourself Silly! (1990) as Self (archive footage) |
 | The Earth Day Special (1990) as Vic |
 | The War of the Roses (1989) as Gavin D'Amato |
 | Two Daddies? (1989) as George Johnson (voice) |
| | A Very Special Christmas Party (1988) as Self |
 | Twins (1988) as Vincent Benedict |
 | Sesame Street: Put Down the Duckie (1988) as Self |
 | Throw Momma from the Train (1987) as Owen Lift |
 | Tin Men (1987) as Ernest Tilley |
 | The Joe Piscopo New Jersey Special (1986) as Self |
 | Ruthless People (1986) as Sam Stone |
 | My Little Pony: The Movie (1986) as Grundle King (voice) |
 | Wise Guys (1986) as Harry Valentini |
 | Happily Ever After (1985) as George Johnson (voice) |
 | The Jewel of the Nile (1985) as Ralph |
 | Head Office (1985) as Frank Stedman |
 | Johnny Dangerously (1984) as Burr |
 | The Ratings Game (1984) as Vic De Salvo |
 | All The Kids Do It (1984) as Ackroyd |
 | Romancing the Stone (1984) as Ralph |
 | Terms of Endearment (1983) as Vernon Dahlart |
| | Likely Stories Vol. 2 (1983) |
 | Night of 100 Stars (1982) as Self |
 | Going Ape! (1981) as Lazlo |
 | The Gong Show Movie (1980) as Performer |
 | Ann-Margret: Hollywood Movie Girls (1980) as Self |
 | Valentine (1979) as Dewey |
 | Swap Meet (1979) as Max |
 | Goin' South (1978) as Hog |
 | The World's Greatest Lover (1977) as Assistant Director |
 | The Van (1977) as Andy |
| | The Selling of Vince D'Angelo (1976) as Vince D'Angelo |
 | The Money (1976) as Bartender |
 | Deadly Hero (1975) as Harry |
 | One Flew Over the Cuckoo's Nest (1975) as Martini |
 | Minestrone (1975) as Lodovico |
 | Hurry Up, or I'll Be 30 (1973) as Petey |
 | Scalawag (1973) as Fly Speck |
 | Hot Dogs for Gauguin (1972) as Adrian |
 | La mortadella (1971) as Fred Mancuso |
 | Dreams of Glass (1970) as Thug |
 | Mary Woronov: Cult Queen as Self |
| | Sniff as William Keys |
