| 2025 | The Brobecks: Not Dead Yet | Self | Film |
| 2024 | Chosen Family | Alfred | Film |
| 2022 | Scouting for Girls: Fashion's Darkest Secret | Self | TV |
| 2020 | Tremors: Shrieker Island | Burt Gummer | Film |
| 2018 | Tremors: A Cold Day in Hell | Burt Gummer | Film |
| 2015 | Tremors 5: Bloodlines | Burt Gummer | Film |
| 2013 | The Hero | Producer | Film |
| 2012 | Tim and Eric's Billion Dollar Movie | Narrator | Film |
| 2012 | Adopting Terror | Dr. Ziegler | Film |
| 2012 | Atlas Shrugged: Part II | Ted 'Buzz' Killman | Film |
| 2012 | Blue-Eyed Butcher | Ron Wright | Film |
| 2012 | Naughty or Nice | Walter Kringle | Film |
| 2012 | Meant to Be | Mr. Trantham | Film |
| 2011 | Pizza Man | Professor Tucker | Film |
| 2011 | Stay Cool | Mr. McCarthy | Film |
| 2011 | 12 Wishes of Christmas | Harry | Film |
| 2008 | 100 Million BC | Dr. Frank Reno | Film |
| 2008 | An American in China | Manny Braddock | Film |
| 2006 | Mrs. Harris | Leslie Jacobson | Film |
| 2004 | Combustion | Talbot | Film |
| 2004 | Tremors 4: The Legend Begins | Hiram Gummer | Film |
| 2003 | Tremors | Producer | TV |
| 2001 | Tremors 3: Back to Perfection | Burt Gummer | Film |
| 1999 | True Heart | Dick | Film |
| 1999 | Batman Beyond: The Movie | Warren McGinnis (voice) | Film |
| 1998 | Ground Control | Murray | Film |
| 1998 | Amazing Planet: Mummies Unwrapped | Director | Film |
| 1998 | Amazing Planet: Creatures of the Deep | Director | Film |
| 1998 | Amazing Planet: Mummies Unwrapped | Writer | Film |
| 1998 | Amazing Planet: Mummies Unwrapped | Co-Executive Producer | Film |
| 1998 | Amazing Planet: Explosive Earth | Co-Executive Producer | Film |
| 1998 | Amazing Planet: Creatures of the Deep | Co-Executive Producer | Film |
| 1996 | Sometimes They Come Back... Again | Jon Porter | Film |
| 1996 | Tremors II: Aftershocks | Burt Gummer | Film |
| 1995 | Awake to Danger | Ben McAdams | Film |
| 1994 | In the Heat of Passion II: Unfaithful | Howard | Film |
| 1994 | Avalanche | Brian Kemp | Film |
| 1994 | Snowbound: The Jim and Jennifer Stolpa Story | Kevin Mulligan | Film |
| 1993 | Bill Nye the Science Guy | Writer | TV |
| 1992 | Hugh Hefner: Once Upon a Time | Writer | Film |
| 1991 | Cool as Ice | Gordon | Film |
| 1990 | Tremors | Burt Gummer | Film |
| 1989 | A Connecticut Yankee in King Arthur's Court | King Arthur | Film |
| 1988 | Big Business | Dr. Jay Marshall | Film |
| 1988 | In the Line of Duty: The F.B.I. Murders | William Russell Matix | Film |
| 1988 | Quiet Victory: The Charlie Wedemeyer Story | Flick | Film |
| 1985 | Family Ties Vacation | Steven Keaton | Film |
| 1983 | Cook & Peary: The Race to the Pole | James Troth | Film |
| 1982 | Family Ties | Steven Keaton | TV |
| 1982 | Little Gloria... Happy at Last | Gilchrist | TV |
| 1980 | Just Tell Me What You Want | Lothar | Film |
| 1975 | A Girl Named Sooner | Jim Seevey | Film |