Filmography115 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2025 | The American RevolutionSeries | Narrator (voice) | 84 |
| 2022 | Moment of ContactMovie | Narrator (voice) | 81 |
| 2021 | The Girl Who Believes in MiraclesMovie | Sam Donovan | 80 |
| 2021 | HemingwaySeries | Narrator (voice) | 80 |
| 2020 | The PhenomenonMovie | Narrator (voice) | 79 |
| 2020 | The Comey RuleSeries | Robert Mueller | 79 |
| 2020 | Helter Skelter: An American MythSeries | Self - Actor, Diggers Early Core Member | 79 |
| 2019 | Country MusicSeries | Narrator | 78 |
| 2019 | Polanski, le travail à l'oeuvreMovie | Self | 78 |
| 2018 | The Mayo ClinicMovie | Self - Narrator (voice) | 77 |
| 2018 | The Etruscan SmileMovie | Professor | 77 |
| 2018 | Summer of LoveMovie | Himself | 77 |
| 2017 | SpielbergMovie | Self | 76 |
| 2017 | The Vietnam WarSeries | Self - Narrator (voice) | 76 |
| 2017 | The DisappearanceSeries | Henry Sullivan | 76 |
| 2017 | Revolution: The Legacy of the SixtiesMovie | — | 76 |
| 2015 | No DepositMovie | Police Chief Williams | 74 |
| 2015 | Good KillMovie | Langley | 74 |
| 2015 | Girl on the EdgeMovie | Hank Taylor | 74 |
| 2015 | The Spoils Before DyingSeries | Dizzy the Cat | 74 |
| 2014 | The Real History of Science FictionSeries | Himself | 73 |
| 2014 | The Roosevelts: An Intimate HistorySeries | Narrator (voice) | 73 |
| 2014 | IntelligenceSeries | Leland Strand | 73 |
| 2014 | Bangkok, We Have A Problem!Movie | Burt Lowell | 73 |
| 2012 | PerceptionSeries | James Alan Pierce | 71 |
| 2012 | Hemingway & GellhornMovie | Maxwell Perkins | 71 |
| 2011 | ProhibitionSeries | Self - Narrator (voice) | 70 |
| 2011 | These Amazing ShadowsMovie | Self | 70 |
| 2011 | HereMovie | Storyteller | 70 |
| 2010 | Blue BloodsSeries | Senator Ted McCreary | 69 |
| 2010 | Law & Order: LASeries | Jerry Hardin | 69 |
| 2010 | Great MigrationsSeries | — | 69 |
| 2010 | DiDi HollywoodMovie | Michael McLean | 69 |
| 2009 | FlashForwardSeries | Dave Segovia | 68 |
| 2009 | The National Parks: America's Best IdeaSeries | Narrator | 68 |
| 2009 | Huxley on HuxleyMovie | Self | 68 |
| 2008 | Dr. Dolittle: Tail to the ChiefMovie | President Sterling | 67 |
| 2008 | $5 a DayMovie | Burt Kruger | 67 |
| 2008 | All Roads Lead HomeMovie | Hock | 67 |
| 2007 | Fog City MavericksMovie | Self - Narrator (voice) | 66 |
| 2007 | Resurrecting the ChampMovie | Ike Epstein | 66 |
| 2006 | Brothers and SistersSeries | Mark August | 65 |
| 2006 | Behind Enemy Lines II: Axis of EvilMovie | President Adair T. Manning | 65 |
| 2005 | Commander in ChiefSeries | Warren Keaton | 64 |
| 2005 | Law & Order: Trial by JurySeries | Mike LaSalle | 64 |
| 2005 | The InsideSeries | Special Agent Virgil "Web" Webster | 64 |
| 2005 | DeepwaterMovie | Herman Finch | 64 |
| 2005 | Enron: The Smartest Guys in the RoomMovie | Self - Narrator (voice) | 64 |
| 2005 | Return of the Living Dead: NecropolisMovie | Uncle Charles | 64 |
| 2004 | DeadwoodSeries | General Crook | 63 |
| 2004 | The 4400Series | Dennis Ryland | 63 |
| 2004 | Shadow of FearMovie | Congressman Henderson | 63 |
| 2003 | NCISSeries | Ned Quinn | 62 |
| 2003 | NorthforkMovie | Eddie | 62 |
| 2003 | Bon VoyageMovie | Alex Winckler | 62 |
| 2003 | The Hebrew HammerMovie | JJL Chief Bloomenbergensteinenthal | 62 |
| 2003 | Out of the BlueMovie | Narrator (voice) | 62 |
| 2002 | A Walk to RememberMovie | Reverend Sullivan | 61 |
| 2002 | Femme FataleMovie | Watts | 61 |
| 2002 | A Time for DancingMovie | Wyn Michaels | 61 |
| 2002 | Unprecedented: The 2000 Presidential ElectionMovie | Narrator | 61 |
| 2001 | Law & Order: Criminal IntentSeries | Lionel Shill | 60 |
| 2001 | The DivisionSeries | Ross | 60 |
| 2000 | Erin BrockovichMovie | Kurt Potter | 59 |
| 2000 | More Dogs Than BonesMovie | Detective Darren Cody | 59 |
| 1999 | Random HeartsMovie | Cullen Chandler | 58 |
| 1999 | Independent LensSeries | — | 58 |
| 1998 | SphereMovie | Captain Harold C. Barnes | 57 |
| 1998 | Patch AdamsMovie | Bill Davis | 57 |
| 1998 | IndiscreetMovie | Detective Roos | 57 |
| 1998 | Route 9Movie | Sheriff Dwayne Hogan | 57 |
| 1998 | Titanic: Breaking New GroundMovie | Narrator | 57 |
| 1998 | Two for TexasMovie | Jim Bowie | 57 |
| 1997 | Top of the WorldMovie | Doc 'The Butcher' | 56 |
| 1997 | The Secrets of 007Movie | Narrator (voice) | 56 |
| 1996 | The WestSeries | Self - Narrator | 55 |
| 1996 | Seduced by MadnessSeries | Ruben Borchardt | 55 |
| 1996 | UnforgettableMovie | Don Bresler | 55 |
| 1996 | The Making of 'E.T. the Extra-Terrestrial'Movie | Self | 55 |
| 1995 | CybillSeries | Roger | 54 |
| 1995 | Buffalo GirlsMovie | Buffalo Bill Cody | 54 |
| 1995 | The First 100 Years: A Celebration of American MoviesMovie | Narrator | 54 |
| 1995 | Moonlight and ValentinoMovie | Paul | 54 |
| 1993 | Fallen AngelsSeries | Herman Charn | 52 |
| 1993 | KikaMovie | Nicholas Pierce | 52 |
| 1992 | Earth and the American DreamMovie | Reader (voice) | 51 |
| 1992 | Bitter MoonMovie | Oscar | 51 |
| 1991 | Crooked HeartsMovie | Edward Warren | 50 |
| 1991 | Living a LieMovie | Matt | 50 |
| 1989 | The SimpsonsSeries | Peter Coyote (voice) | 48 |
| 1988 | American ExperienceSeries | Narrator (voice) | 47 |
| 1988 | Baja OklahomaMovie | Slick Henderson | 47 |
| 1988 | Heart of MidnightMovie | Sharpe/Larry | 47 |
| 1987 | Outrageous FortuneMovie | Michael Sanders | 46 |
| 1987 | A Man in LoveMovie | Steve Elliott | 46 |
| 1987 | Echoes in the DarknessSeries | William Bradfield Jr. | 46 |
| 1987 | Echoes in the DarknessMovie | William Bradfield Jr. | 46 |
| 1985 | The Twilight ZoneSeries | (segment "Shadow Play") | 44 |
| 1985 | Jagged EdgeMovie | Thomas Krasny | 44 |
| 1985 | The Legend of Billie JeanMovie | Ringwald | 44 |
| 1985 | ExplorerSeries | Himself - Narrator (voice) | 44 |
| 1984 | HeartbreakersMovie | Blue | 43 |
| 1984 | Best Kept SecretsMovie | Frank Mitchell | 43 |
| 1984 | SlaygroundMovie | Stone | 43 |
| 1983 | The HitchhikerSeries | Alex Nolan | 42 |
| 1983 | Cross CreekMovie | Norton Baskin | 42 |
| 1982 | E.T. the Extra-TerrestrialMovie | Keys | 41 |
| 1982 | NatureSeries | Narrator (voice) | 41 |
| 1982 | Timerider: The Adventure of Lyle SwannMovie | Porter Reese | 41 |
| 1982 | Endangered SpeciesMovie | Steele | 41 |
| 1982 | Breach of ContractMovie | — | 41 |
| 1981 | Southern ComfortMovie | Poole | 40 |
| 1981 | Isabel's ChoiceMovie | Wynn Thomas | 40 |
| 1980 | Alcatraz: The Whole Shocking StoryMovie | Courtney Taylor | 39 |
| 1953 | The OscarsSeries | Self | 12 |