| Dick Van Dyke: 98 Years of Magic (2023) Self |
| Albert Brooks: Defending My Life (2023) Self |
| Being Mary Tyler Moore (2023) Self (voice) |
| Norman Lear: 100 Years of Music and Laughter (2022) Self |
| Family Squares (2022) Narrator |
| The Super Bob Einstein Movie (2021) Self |
| A Virtual Princess Bride Reunion (2020) The Grandfather |
| Time Warp Vol. 3: Comedy and Camp (2020) Self |
| Time Warp Vol. 1: Midnight Madness (2020) Self |
| Shock and Awe (2018) John Walcott |
| Andre the Giant (2018) Self |
| Sandy Wexler (2017) Marty Markowitz |
| The Last Laugh (2016) Self |
| Norman Lear: Just Another Version of You (2016) Self |
| Everything Is Copy (2015) Self |
| And So It Goes (2014) Artie |
| The Case Against 8 (2014) Self |
| The Wolf Pack (2014) Self |
| The Wolf of Wall Street (2013) Max Belfort |
| A Night at the Movies: Hollywood Goes to Washington (2012) Self - Interviewee |
| True Love: The Princess Bride Phenomenon (2012) |
| When Harry Met Sally 2 with Billy Crystal & Helen Mirren (2011) Rob Reiner (uncredited) |
| These Amazing Shadows (2011) Self |
| The Television Revolution Begins: "All in the Family" Is On the Air (2009) Self |
| Those Were the Days: The Birth of "All in the Family" (2009) Self |
| Everyone's Hero (2006) Screwie (voice) |
| Seinfeld: How It Began (2004) |
| Dickie Roberts: Former Child Star (2003) Self |
| The Road to The Sure Thing (2003) |
| Alex & Emma (2003) Wirschafter / Marty Van Buren |
| Misery Loves Company (2003) Self |
| Smothered: The Censorship Struggles of the Smothers Brothers Comedy Hour (2002) Self |
| AFI's 100 Years... 100 Passions: America's Greatest Love Stories (2002) Self |
| The Majestic (2001) Studio Executive (voice) |
| As You Wish: The Story of 'The Princess Bride' (2001) Self |
| How Harry Met Sally… (2001) Self |
| Joseph Had a Little Overcoat (2001) |
| Catching Up with Marty DiBergi (2000) Marty DiBergi |
| Walking the Tracks: The Summer of Stand by Me (2000) Self |
| The Story of Us (1999) Stan Kogen |
| Stephen King: Shining in the Dark (1999) Self |
| EDtv (1999) Mr. Whitaker |
| The Muse (1999) Rob Reiner |
| Forever Hollywood (1999) Self |
| Primary Colors (1998) Izzy Rosenblatt |
| Mad Dog Time (1996) Albert the Chauffeur |
| The First Wives Club (1996) Dr. Morris Packman |
| Blacklist: Hollywood on Trial (1996) Albert Maltz |
| For Better or Worse (1995) Dr. Plosner |
| Bye Bye Love (1995) Dr. David Townsend |
| Mixed Nuts (1994) Dr. Kinsky |
| Spinal Tap: The Final Tour (1994) Marty DiBergi |
| Bullets Over Broadway (1994) Sheldon Flender |
| Sleepless in Seattle (1993) Jay |
| The Return of Spinal Tap (1992) Marty DiBergi |
| The Please Watch the Jon Lovitz Special, Live! (1992) Self |
| All in the Family: 20th Anniversary Special (1991) |
| Misery (1990) Helicopter Pilot (uncredited) |
| The Spirit of '76 (1990) Dr. Cash |
| Postcards from the Edge (1990) Joe Pierce |
| Partners in Life (1990) Max King III |
| Throw Momma from the Train (1987) Joel |
| Billy Crystal: Don't Get Me Started (1986) Marty DiBergi |
| Johnny Appleseed (1986) Ruler |
| Richard Lewis: I'm In Pain (1985) Self |
| The Best of John Belushi (1985) Various characters |
| This Is Spinal Tap (1984) Marty DiBergi |
| The Million Dollar Infield (1982) Monte Miller |
| The Jerk (1979) Truck Driver Picking Up Navin (uncredited) |
| More Than Friends (1978) Alan Corkus |
| US Against the World (1977) Self |
| Fire Sale (1977) Russel Fikus |
| How Come Nobody's on Our Side? (1974) Miguelito |
| Thursday's Game (1974) Joel Forrest |
| The Picture (1972) Bud |
| Summertree (1971) Don |
| Where’s Poppa? (1970) Roger |
| Halls of Anger (1970) Leaky Couloris |
| The Big Mouth (1967) Guy on Beach (uncredited) |
| Enter Laughing (1967) Clark Baxter |
| Spinal Tap II Marty DiBergi |