| Movie | 2004 | The Polar Express | Billy - Lonely Boy | |
| Movie | 2008 | The Boy Who Cried Wolf | | |
| Movie | 1980 | The Further Adventures of Wally Brown | Douglas Burdett | |
| Movie | 1993 | Ticks | Charles Danson | |
| Movie | 1983 | Imps* | Phil | |
| Movie | 2005 | Magnificent Desolation: Walking on the Moon | Pete Conrad | |
| Movie | 1994 | Camp Nowhere | Donald Himmel | |
| Movie | 1996 | Harry Anderson: The Tricks of His Trade | Self | |
| Movie | 1991 | Perry Mason: The Case of the Glass Coffin | David Katz | |
| Movie | 1983 | Carpool | Robert Duff | |
| Movie | 1991 | Perfect Harmony | Derek Sanders | |
| Movie | 1989 | The Ryan White Story | David Day | |
| Movie | 1984 | The Rosebud Beach Hotel | Elliot | |
| Movie | 1978 | Take Off | Kookie ("1950's") | |
| Movie | 2012 | Letting Go | Bill | |
| Movie | 2020 | Disclosure | Henry Desmond / Hildegard Desmond (archive footage) | |
| Movie | 1990 | Corporate Affairs | Simon Tanner | |
| Movie | 1987 | Fatal Confession: A Father Dowling Mystery | Chris Robinson | |
| Movie | 1996 | That Thing You Do! | Troy Chesterfield | |
| Movie | 1982 | Missing Children: A Mother's Story | Woody | |
| Movie | 1984 | Amazons | Dr. Jerry Menzies | |
| Movie | 2006 | Mentor | Jonathan Parks | |
| Movie | 2007 | Suburban Girl | Mickey Lamm | |
| Movie | 2008 | A Plumm Summer | Agent Hardigan | |
| Movie | 1996 | Stop the World, I Want to Get Off | Littlechap | |
| Movie | 1986 | Mr. Bill's Real Life Adventures | Mr. Bill | |
| Movie | 2000 | The Ultimate Christmas Present | Edwin Hadley | |
| Movie | 1991 | Fire! Trapped on the 37th Floor | Paul DeWitt | |
| Movie | 2018 | All You Can Eat | Dr. Zukreski | |
| Movie | 2020 | Looks That Kill | Paul | |
| Movie | 1992 | Diagnosis Murder: The House on Sycamore Street | Dr. Zach Drummond | |
| Movie | 2002 | Sorority Boys | Louis | |
| Movie | 1996 | Talk to Me | Howard Grant | |
| Movie | 2019 | The Social Ones | Stephen Schpelnick | |
| Movie | 2016 | Dean | Patrick | |
| Movie | 2016 | How You Look at It | Hero | |
| Movie | 2013 | Jerome's Bouquet | Bob | |
| Movie | 1987 | Harry Anderson's Sideshow | Self | |
| Movie | 2002 | A Scooby-Doo! Christmas | Professor William Fagen Higginson (voice) | |
| Movie | 1996 | For Hope | Date #2 (uncredited) | |
| TV Show | 2002 | What I Like About You | Dad | 1 |
| TV Show | 1995 | The Drew Carey Show | Councilman Kemp | 1 |
| TV Show | 1982 | Family Ties | Paul Kenter | 1 |
| TV Show | 1994 | Duckman | Brad (voice) | 1 |
| TV Show | 1982 | Remington Steele | Albie Fervitz | 1 |
| TV Show | 2005 | American Dad! | Limo Driver / Peter Scolari (voice) | 1 |
| TV Show | 2001 | Reba | Parker Reynolds | 1 |
| TV Show | 1997 | Ally McBeal | Hooley | 1 |
| TV Show | 1997 | Honey, I Shrunk the Kids: The TV Show | Wayne Szalinski | 66 |
| TV Show | 1994 | Touched by an Angel | Charles Hibbard | 1 |
| TV Show | 1994 | Gargoyles | Preston Vogel (voice) | 5 |
| TV Show | 1992 | Batman: The Animated Series | The Shark (voice) | 1 |
| TV Show | 1992 | Batman: The Animated Series | Hamner (voice) | 1 |
| TV Show | 1980 | Bosom Buddies | Henry Desmond / Hildegarde | 38 |
| TV Show | 1982 | Hotel | | 1 |
| TV Show | 1974 | Happy Days | | 1 |
| TV Show | 1982 | Newhart | Michael Harris | 142 |
| TV Show | 1979 | Angie | | 1 |
| TV Show | 1998 | The King of Queens | Ron | 1 |
| TV Show | 2012 | The Greatest Event in Television History | Self | 1 |
| TV Show | 1993 | Lois & Clark: The New Adventures of Superman | | 1 |
| TV Show | 1980 | Goodtime Girls | Benny Loman | 13 |
| TV Show | 1993 | The Mommies | Ken Ballantine | 38 |
| TV Show | 1995 | Dweebs | | 10 |
| TV Show | 1993 | Dave's World | Fred | 2 |
| TV Show | 2021 | Lisey's Story | Dave Debusher | 2 |
| TV Show | 1993 | Family Album | Jonathan Lerner | 8 |
| TV Show | 2004 | Listen Up! | Andrew McKillop | 2 |
| TV Show | 1983 | Baby Makes Five | | 5 |
| TV Show | 2009 | White Collar | Zimmer the Keymaster | 1 |
| TV Show | 2012 | Girls | Tad Horvath | 15 |
| TV Show | 1999 | The West Wing | Jake Kimball | 1 |
| TV Show | 1998 | From the Earth to the Moon | Pete Conrad | 1 |
| TV Show | 2014 | Gotham | Commissioner Loeb | 6 |
| TV Show | 1997 | George & Leo | | 1 |
| TV Show | 1993 | The Nanny | Leslie Tilbert | 1 |
| TV Show | 1996 | Sabrina, the Teenage Witch | Ringmaster | 1 |
| TV Show | 1994 | ER | Kyle Evans | 1 |
| TV Show | 2002 | Pet Star | Self - Judge | 4 |
| TV Show | 1994 | Touched by an Angel | Tim Albright | 1 |
| TV Show | 1984 | Finder of Lost Loves | Ted Caton | 1 |
| TV Show | 2019 | Evil | Bishop Thomas Marx | 9 |
| TV Show | 2016 | Madoff | Peter Madoff | 4 |
| TV Show | 1996 | Hey Arnold! | Doug LeSham (voice) | 1 |
| TV Show | 1993 | Fallen Angels | Clerk | 1 |
| TV Show | 2017 | The Good Fight | Greg | 1 |
| TV Show | 1995 | A Whole New Ballgame | Glenn | 2 |
| TV Show | 1994 | Burke's Law | Johnny Lake | 1 |
| TV Show | 1993 | Animaniacs | Wilford Wolf (voice) | 1 |
| TV Show | 2002 | What's New, Scooby-Doo? | Professor Higginson (voice) | 1 |
| TV Show | 2009 | Celebrity Ghost Stories | Self | 1 |
| TV Show | 1999 | Law & Order: Special Victims Unit | Dr. Dennis Barkley | 1 |
| TV Show | 2019 | Fosse/Verdon | Mel | 1 |
| TV Show | 2008 | Batman: The Brave and the Bold | Ray Palmer/The Atom (voice) | 1 |
| TV Show | 1985 | The Twilight Zone | Leonard Randall / Delos of Atlantis | 1 |
| TV Show | 1995 | Can't Hurry Love | Colin | 1 |
| TV Show | 2006 | Big Love | Seminary Teacher | 1 |
