| Dicktown | 2020 | John's Dad | TV Show |
| Fractured | 2019 | Dr. Berthram | Movie |
| Loners | 2019 | Mr. Tessman | Movie |
| Schooled | 2019 | Earl Ball | TV Show |
| Untitled Wonder Park TV Show | 2019 | Uncle Tony | TV Show |
| Live in Front of a Studio Audience: Norman Lear's 'All in the Family' and 'The Jeffersons' | 2019 | Harry | TV Show |
| The Spooky Tale of Captain Underpants Hack-a-Ween | 2019 | Creepy Rattlechains (voice) | TV Show |
| Life's A Bitch | 2019 | Phillip Spector | TV Show |
| Strange Nature | 2018 | Mayor Paulson | Movie |
| Monsters at Large | 2018 | Mr. Phillips | Movie |
| Dream Flight | 2018 | Pilot | Short Film |
| The Cool Kids | 2018 | Leonard | TV Show |
| DIY | 2018 | Mister Wonderworm (voice) | TV Show |
| The Goldbergs: 1990-Something | 2018 | Principal Ball | TV Movie |
| Untold Genius | 2018 | Stephen Tobolowsky | TV Show |
| One Day at a Time | 2017 | Dr. Leslie Berkowitz | TV Show |
| White Famous | 2017 | Stu Beggs | TV Show |
| Shady Glen | 2017 | Mr. Galloway | Short Film |
| No Activity | 2017 | | TV Show |
| Justice League Action Shorts | 2017 | Professor Stein | TV Show |
| Welcome to the Men's Group | 2016 | Carl | Movie |
| Fuller House | 2016 | Mr. Gerald | TV Show |
| The Confirmation | 2016 | Father Lyons | Movie |
| Mamaboy | 2016 | Reverend Weld | Movie |
| Justice League Action | 2016 | Professor Stein | TV Show |
| The Loss of Lillian | 2016 | Dr. Taylor | Short Film |
| Bad Internet | 2016 | Dad | TV Show |
| Fifty Minutes | 2016 | Dr. Bell | Short Film |
| Six LA Love Stories | 2016 | Professor John Dobler | Movie |
| Dr. Ken | 2015 | Joe | TV Show |
| Big Time in Hollywood, FL | 2015 | Alan | TV Show |
| Grace and Frankie | 2015 | Allen | TV Show |
| Blunt Talk | 2015 | Daniel Rudolph | TV Show |
| Hollywood Adventures | 2015 | Wronald Wright | Movie |
| Mr. Peabody & Sherman | 2014 | Principal Purdy (voice) | Movie |
| The Barber | 2014 | Chief Hardaway | Movie |
| Friends with Better Lives | 2014 | Dr. Adleman | TV Show |
| Silicon Valley | 2014 | Jack Barker | TV Show |
| Atlas Shrugged: Who Is John Galt? | 2014 | Dr. Hugh Akston | Movie |
| Christian Mingle | 2014 | Douglas 'The Admiral' McCarver | Movie |
| The Hotwives of Orlando | 2014 | Phil | TV Show |
| Hello Ladies: The Movie | 2014 | Alan | TV Movie |
| We Bare Bears | 2014 | Stephen | TV Show |
| The Loud House | 2014 | Principal Huggins / Florist | TV Show |
| Batman: Arkham Origins - Cold, Cold Heart | 2014 | Ferris Boyle (voice) | Unknown |
| Your Pretty Face Is Going to Hell | 2013 | Anton McDuffy | TV Show |
| Toy Story of Terror | 2013 | Ron the Manager (voice) | TV Movie |
| Batman: Arkham Origins | 2013 | Mobsters / Joker Thugs / Ferris Boyle (voice) | Unknown |
| The Goldbergs | 2013 | Principal Ball | TV Show |
| Guys and Girls Can't Be Friends | 2013 | Andy | Movie |
| Another Period | 2013 | Thomas Edison | TV Show |
| The Lorax | 2012 | Uncle Ubb (voice) | Movie |
| Work It | 2012 | Dr. David Deutsch | TV Show |
| The Mindy Project | 2012 | Marc Shulman | TV Show |
| A Little Something on the Side | 2012 | Larry | Short Film |
| IM Nowruz | 2012 | Interviewer | Short Film |
| The Flipside | 2012 | James | TV Show |
| Pearblossom Hwy | 2012 | Rick Lawler | Movie |
| You May Not Kiss the Bride | 2011 | Plumber | Movie |
| The Last Ride | 2011 | Ray | Movie |
| Hail Mary | 2011 | | TV Movie |
| Magnificat | 2011 | Neighbor | Short Film |
| Next Time on Lonny | 2011 | Dr. Grant | TV Show |
| Peep World | 2010 | Ephraim | Movie |
| Hard Breakers | 2010 | Max | Movie |
| Justified | 2010 | FBI Agent Jerry Barkley | TV Show |
| Buried | 2010 | Alan Davenport (voice) | Movie |
| The Defenders | 2010 | Judge Gelineau | TV Show |
| Pound Puppies | 2010 | Mr. Geekman | TV Show |
| Clara's Carma | 2010 | Dr. Simmons | Short Film |
| The Time Traveler's Wife | 2009 | Dr. Kendrick | Movie |
| Glee | 2009 | Sandy Ryerson | TV Show |
| Community | 2009 | Professor Peter Sheffield | TV Show |
| Archer | 2009 | Robert | TV Show |
| Glee: Director's Cut Pilot Episode | 2009 | Sandy Ryerson | TV Movie |
| He Likes Guys | 2009 | Alan (segment "Waiting for Yvette") | Movie |
| The Rainbow Tribe | 2008 | Principal Sands | Movie |
| True Jackson, VP | 2008 | Lars Balthazar | TV Show |
| Rita Rocks | 2008 | Bill Bowman | TV Show |
| Waiting for Yvette | 2008 | Alan | Short Film |
| Boxboarders! | 2007 | Dr. Stephen James | Movie |
| Loveless in Los Angeles | 2007 | Jon | Movie |
| Totally Baked: A Pot-U-Mentary | 2007 | Jesco Rollins (Segment "American Farmer") | Movie |
| Wild Hogs | 2007 | Charley | Movie |
| The Valley of Light | 2007 | Littleberry Davis | TV Movie |
| Californication | 2007 | Stu Beggs | TV Show |
| John from Cincinnati | 2007 | Mark Lewinsky | TV Show |
| Raines | 2007 | Wally Anderson | TV Show |
| The Sarah Silverman Program. | 2007 | Bill Fantastimart | TV Show |
| Blind Dating | 2006 | Dr. Perkins | Movie |
| Failure to Launch | 2006 | Bud | Movie |
| Love Hollywood Style | 2006 | Marty Greenbaum / Devil | Movie |
| Pope Dreams | 2006 | Carl Venable | Movie |
| The Sasquatch Gang | 2006 | Dalrymple | Movie |
| American Men | 2006 | Sterling Moss | TV Movie |
| Big Day | 2006 | The Garf | TV Show |
| Heroes | 2006 | Bob Bishop | TV Show |
| Studio 60 on the Sunset Strip | 2006 | Joe | TV Show |
| The New Adventures of Old Christine | 2006 | Principal James Merrow | TV Show |
| Living 'til the End | 2005 | Dr. Shaw | Movie |
| Miss Congeniality 2: Armed & Fabulous | 2005 | Tom Abernathy | Movie |
| Robots | 2005 | Bigmouth Executive / Forge (voice) | Movie |
| McBride: The Doctor Is Out... Really Out | 2005 | Harry Evers | TV Movie |
| American Dragon: Jake Long | 2005 | Troll | TV Show |
| Ghost Whisperer | 2005 | Dr. Peltier | TV Show |
| Night Stalker | 2005 | Titus Berry | TV Show |
| The Closer | 2005 | James Bloom | TV Show |
| The Importance of Blind Dating | 2005 | Patrick | Short Film |
| Debating Robert Lee | 2004 | Debate Judge | Movie |
| Garfield | 2004 | Happy Chapman | Movie |
| Little Black Book | 2004 | Carl | Movie |
| Win a Date with Tad Hamilton! | 2004 | George Ruddy | Movie |
| Boston Legal | 2004 | Dr. Alvin Azinabinacroft | TV Show |
| Complete Savages | 2004 | Mr. Frehley | TV Show |
| Deadwood | 2004 | Hugo Jarry | TV Show |
| Desperate Housewives | 2004 | Bud Penrod | TV Show |
| Entourage | 2004 | Mayor of Beverly Hills | TV Show |
| Sleep Easy, Hutch Rimes | 2004 | Dewey Wise | Movie |
| Frankie and Johnny Are Married | 2003 | Murray Mintz | Movie |
| Freaky Friday | 2003 | Mr. Bates | Movie |
| National Security | 2003 | Billy Narthax | Movie |
| View from the Top | 2003 | Frank Thomas (uncredited) | Movie |
| Kingpin | 2003 | Dr. Klein's lawyer | TV Show |
| Twins | 2003 | | TV Movie |
| It's All Relative | 2003 | Roy | TV Show |
| Las Vegas | 2003 | Donny Rollins | TV Show |
| Married to the Kellys | 2003 | Henry Conway | TV Show |
| Oliver Beene | 2003 | Ringmaster Bob | TV Show |
| The Twilight Zone Radio Dramas | 2003 | Roger Shackleforth | TV Show |
| Adaptation. | 2002 | Ranger Steve Neely (scenes deleted) | Movie |
| Love Liza | 2002 | Tom Bailey | Movie |
| Ritual | 2002 | Dr. Javitz (uncredited) | Movie |
| The Country Bears | 2002 | Norbert Barrington | Movie |
| CSI: Miami | 2002 | Assistant State Attorney Don Haffman | TV Show |
| Do Over | 2002 | Mr. Meyers | TV Show |
| The Dead Zone | 2002 | Dr. Jim Pratt | TV Show |
| Par 6 | 2002 | T.T. Riley | Movie |
| Freddy Got Fingered | 2001 | Uncle Neil (uncredited) | Movie |
| It Is What It Is | 2001 | Dr. Martin Ullberg | Movie |
| Black River | 2001 | Mayor Tom Thompson | TV Movie |
| On the Edge | 2001 | Tom Barrow (wraparound segments) | TV Movie |
| The Day the World Ended | 2001 | Principal Ed Turner | TV Movie |
| According to Jim | 2001 | Dr. Ted | TV Show |
| Dead Last | 2001 | Ghost Doctor | TV Show |
| Law & Order: Criminal Intent | 2001 | Jim Halliwell | TV Show |
| Lloyd in Space | 2001 | | TV Show |
| Off Centre | 2001 | Milt Flack | TV Show |
| Reba | 2001 | Judge | TV Show |
| The Lone Gunmen | 2001 | Adam Burgess | TV Show |
| The Gene Pool | 2001 | Walter Westfield | TV Movie |
| Bossa Nova | 2000 | Trevor | Movie |
| Memento | 2000 | Sammy Jankis | Movie |
| Stanley's Gig | 2000 | Abe Cohen | Movie |
| The Operator | 2000 | Doc | Movie |
| The Prime Gig | 2000 | Mick | Movie |
| Urban Chaos Theory | 2000 | The Husband | Short Film |
| Alien Fury: Countdown to Invasion | 2000 | B.J. McQueen | TV Movie |
| Buzz Lightyear of Star Command | 2000 | Gil | TV Show |
| CSI: Crime Scene Investigation | 2000 | Spencer Freiberg | TV Show |
| Curb Your Enthusiasm | 2000 | Len Dunkel | TV Show |
| Malcolm in the Middle | 2000 | Mr. Fisher | TV Show |
| Manhattan, AZ | 2000 | Dr. Bob | TV Show |
| That's Life | 2000 | Study Advisor Roger Robinson | TV Show |
| Hollywood Off-Ramp | 2000 | | TV Show |
| Bull | 2000 | Mr. Siegel | TV Show |
| One Man's Hero | 1999 | Captain Gaine | Movie |
| The Insider | 1999 | Eric Kluster | Movie |
| Don't Look Under the Bed | 1999 | Michael McCausland | TV Movie |
| Law & Order: Special Victims Unit | 1999 | Mr. Kayman / Edwin Adelson | TV Show |
| Odd Man Out | 1999 | Alan Carlson | TV Show |
| Roswell | 1999 | Julius Walters | TV Show |
| Snoops | 1999 | Michael Bench | TV Show |
| The West Wing | 1999 | Dr. Max Milkman | TV Show |
| Around the Fire | 1998 | Doc | Movie |
| Black Dog | 1998 | McClaren | Movie |
| Any Day Now | 1998 | Beauregard Brinkman | TV Show |
| Hercules | 1998 | Numericles | TV Show |
| That '70s Show | 1998 | The Professor | TV Show |
| The Closer | 1998 | Phil | TV Show |
| The Secret Diary of Desmond Pfeiffer | 1998 | Jubal Early | TV Show |
| Two Guys, a Girl and a Pizza Place | 1998 | Father Viteri | TV Show |
| Vengeance Unlimited | 1998 | Mayor Bob Laird | TV Show |
| Will & Grace | 1998 | Ned Weathers | TV Show |
| An Alan Smithee Film: Burn Hollywood Burn | 1997 | Bill Bardo | Movie |
| Mr. Magoo | 1997 | Agent Chuck Stupak | Movie |
| The Curse of Inferno | 1997 | Lonnie Martin | Movie |
| Buffy the Vampire Slayer | 1997 | Principal Flutie | TV Show |
| King of the Hill | 1997 | Dr. Benson / Burt Halverstrom | TV Show |
| Recess | 1997 | Sixth Grade Teacher | TV Show |
| The Practice | 1997 | Clyde Burrows | TV Show |
| Homeward Bound II: Lost in San Francisco | 1996 | Bando (voice) | Movie |
| Power 98 | 1996 | Rick Harris | Movie |
| The Glimmer Man | 1996 | Christopher Maynard | Movie |
| Night Visitors | 1996 | Taylor | TV Movie |
| Arli$$ | 1996 | | TV Show |
| Mr. Rhodes | 1996 | Ray Heary | TV Show |
| Promised Land | 1996 | Fred Argyle | TV Show |
| Suddenly Susan | 1996 | Dr. Gerken | TV Show |
| The Pretender | 1996 | Dr. Alan Trader | TV Show |
| Dr. Jekyll and Ms. Hyde | 1995 | Oliver Mintz | Movie |
| Murder in the First | 1995 | Mr. Henkin | Movie |
| Dweebs | 1995 | Karl | TV Show |
| Murder One | 1995 | Dr. Andross | TV Show |
| The Drew Carey Show | 1995 | Councilman | TV Show |
| The Naked Truth | 1995 | Vincent Hartford | TV Show |
| A Whole New Ballgame | 1995 | Dr. Warner Brakefield | TV Show |
| The Home Court | 1995 | Jeffrey Solomon | TV Show |
| My Father the Hero | 1994 | Mike | Movie |
| Radioland Murders | 1994 | Max Applewhite | Movie |
| Trevor | 1994 | Father Jon | Short Film |
| Chicago Hope | 1994 | Dr. Ted Joseph | TV Show |
| Life with Louie | 1994 | Eric Anderson | TV Show |
| Blue Skies | 1994 | Oak | TV Show |
| Calendar Girl | 1993 | Antonio Gallo | Movie |
| Groundhog Day | 1993 | Ned | Movie |
| Josh and S.A.M. | 1993 | Thom Whitney | Movie |
| The Pickle | 1993 | Mike Krakower | Movie |
| When Love Kills: The Seduction of John Hearn | 1993 | Det. Keefe | TV Movie |
| Against the Grain | 1993 | Niles Hardeman | TV Show |
| Cafe Americain | 1993 | Roger Livingston | TV Show |
| Harts of the West | 1993 | Dave's former boss | TV Show |
| Basic Instinct | 1992 | Dr. Lamott | Movie |
| Hero | 1992 | Wallace | Movie |
| Memoirs of an Invisible Man | 1992 | Warren Singleton | Movie |
| Roadside Prophets | 1992 | Ranger Bob | Movie |
| Single White Female | 1992 | Mitchell Myerson | Movie |
| Sneakers | 1992 | Dr. Werner Brandes | Movie |
| Where the Day Takes You | 1992 | Charles | Movie |
| Mad About You | 1992 | Principal Hocksacker | TV Show |
| Picket Fences | 1992 | Ben Sasha | TV Show |
| Thelma & Louise | 1991 | Max | Movie |
| Wedlock | 1991 | Warden Holliday | Movie |
| Perry Mason: The Case of the Maligned Mobster | 1991 | Sergeant Phil Baranski | TV Movie |
| Tagget | 1991 | Al Hentz | TV Movie |
| The Marla Hanson Story | 1991 | Defense Attorney | TV Movie |
| To the Moon, Alice | 1991 | Sitcom Producer | Short Film |
| Baby Talk | 1991 | Dr. Ezra Farr | TV Show |
| Civil Wars | 1991 | Eugene Paxton | TV Show |
| Deadly Medicine | 1991 | Ron Sutton | TV Movie |
| Bird on a Wire | 1990 | Joe Weyburn | Movie |
| Funny About Love | 1990 | Hugo | Movie |
| Mirror Mirror | 1990 | Mr. Anderson | Movie |
| The Grifters | 1990 | Jeweler | Movie |
| Welcome Home, Roxy Carmichael | 1990 | Mayor Bill Klepler (as Stephen Tobolowski) | Movie |
| Last Flight Out | 1990 | Doctor Timothy Brandon | TV Movie |
| Shannon's Deal | 1990 | Baker | TV Show |
| Down Home | 1990 | Honis | TV Show |
| Lifestories | 1990 | Josh Gant | TV Show |
| Breaking In | 1989 | District Attorney | Movie |
| Checking Out | 1989 | Pharmacist | Movie |
| Great Balls of Fire! | 1989 | Jud Phillips | Movie |
| In Country | 1989 | Pete | Movie |
| Roe vs. Wade | 1989 | Darryl Horwood | TV Movie |
| Seinfeld | 1989 | Tor Eckman | TV Show |
| Hot Prospects | 1989 | Blackie | TV Movie |
| Mississippi Burning | 1988 | Clayton Townley | Movie |
| Two Idiots in Hollywood | 1988 | Prosecuting Attorney | Movie |
| Spaceballs | 1987 | Captain of the Guard | Movie |
| Ohara | 1987 | Sam Steinberg | TV Show |
| The Days and Nights of Molly Dodd | 1987 | Alex | TV Show |
| Nobody's Fool | 1986 | Kirk | Movie |
| Designing Women | 1986 | Boyd | TV Show |
| L.A. Law | 1986 | Dr. Michael Segal | TV Show |
| 227 | 1985 | Professor | TV Show |
| Stir Crazy | 1985 | Salesman | TV Show |
| Swing Shift | 1984 | French deMille / Documentary Narrator | Movie |
| The Philadelphia Experiment | 1984 | Barney | Movie |
| Cocaine and Blue Eyes | 1983 | TV Clerk | TV Movie |
| Cagney & Lacey | 1981 | Russell Phelps | TV Show |
| Falcon Crest | 1981 | Doctor | TV Show |
| Knots Landing | 1979 | Steve Comiskey | TV Show |
| Keep My Grave Open | 1977 | Robert | Movie |
| Alice | 1976 | Caveman Carl | TV Show |
| Green Eggs and Ham | | Chad | TV Show |
| Inventors | | Don Manning (voice) | Movie |
| Washingtonia | | | Movie |
| Watching Walter | | Walter | Short Film |
| The Freedom Procedure | | Larry / Dr. Love | Movie |
