| 2024 | The Neon Highway | Claude Allen |
| 2024 | Desert Road | Old Man |
| — | Hail Mary | James Fields |
| — | Days When the Rains Came | Dad |
| 2024 | Camera | Eric |
| 2023 | Eine Frage der Chemie | Harry Wilson |
| 2023 | Dreamin' Wild | Don Emerson Sr. |
| 2022 | End of the Road | Capt. JD Hammers |
| 2022 | A Christmas Mystery | Mayor Donovan |
| 2022 | Our Italian Christmas Memories | Vincent Coluccia |
| 2021 | Mr. Mayor | Adolphus Hass |
| 2021 | The Premise | William |
| 2020 | One Night in Miami... | Mr. Carlton |
| 2020 | Messiah - Die sieben Zeichen | Edmund DeGuilles |
| 2020 | Two/One | Alfred |
| 2020 | Elsewhere | Dad |
| 2020 | Robbie | Robbie Walton Sr. |
| 2020 | TINSEL: The Lost Movie About Hollywood | Self |
| 2020 | Acting: The First Six Lessons | The Teacher/Movie Director |
| 2020 | Sordid Lives | |
| 2019 | Supervized | Ted |
| 2019 | Hal | Self |
| 2019 | Words from a Bear | Self |
| 2018 | Galveston - Die Hölle ist ein Paradies | Stan Ptitko |
| 2018 | All About Nina | Larry Michaels |
| 2018 | Mosaic | Alan Pape |
| 2018 | Lawless Range | Mr. Reed |
| 2017 | Zwischen zwei Leben - The Mountain Between Us | Walter |
| 2017 | Ein Engel für Angel Falls | Michael D'Angelo |
| 2017 | Dialing Home | Self |
| 2016 | Goliath | Roy Wheeler |
| 2016 | Greenleaf | Bob Whitmore |
| 2016 | Blumenkrimi: Schwarze Rosen | Jeffrey Knight |
| 2016 | Blumenkrimi: Eine Hochzeit und ein Todesfall | Jeffrey |
| 2016 | Blumenkrimi: Die Chrysantheme des Bösen | Jeffrey |
| 2016 | The Wandering Man’s Burden: Making The Loner | Self |
| 2015 | Bloodline | Roy Gilbert |
| 2015 | Underdog Kids | Ron Butz |
| 2014 | black-ish | Paul |
| 2014 | 1000 to 1 | Coach |
| 2014 | Penn Zero: Part-Time Hero | Sheriff Scaley Briggs (voice) |
| 2013 | Masters of Sex | Dr. Barton Scully |
| 2013 | Die Millers | Tom Miller |
| 2013 | Rushlights | Sheriff Robert Brogden Jr. |
| 2013 | The Goodwin Games | Benjamin Goodwin |
| 2012 | Hit and Run | Clint Perrkins |
| 2012 | Columbus Circle | Dr. Raymond Fontaine |
| 2012 | Eden | Bob Gault |
| 2012 | Pablo | Self |
| 2011 | The Descendants - Familie und andere Angelegenheiten | Cousin Hugh |
| 2011 | Homeland | Vice Président Ralph Warner |
| 2011 | Franklin & Bash | Leonard Franklin |
| 2011 | Game Time: Tackling the Past | Frank Walker |
| 2011 | Jeff Bridges: The Dude Abides | Self |
| 2011 | Hawaiian Style | Self |
| 2011 | Working with Alexander | Self |
| 2010 | Free Willy - Rettung aus der Piratenbucht | Gus Grisby |
| 2010 | My Girlfriend's Boyfriend | Uncle Logan |
| 2010 | Don't Fade Away | Chris White |
| 2010 | Stasis | Dr. Graham |
| 2009 | White Collar | Agent Kramer |
| 2008 | Max Payne | BB Hensley |
| 2008 | Stargate: Continuum | Major General Hank Landry |
| 2008 | Stargate: The Ark of Truth - Die Quelle der Wahrheit | Maj. Gen. Henry Landry |
| 2008 | Stanley Kramer: A Man's Search for Truth | Self |
| 2007 | Operation Homecoming: Writing the Wartime Experience | Voice 'Aftermath' |
| 2007 | Von Bollywood nach Hollywood | Gary Gordon |
| 2007 | Der Feind in Dir | Dean Burton Strauss |
| 2007 | 07 Spaceys | |
| 2006 | Schweinchen Wilbur und seine Freunde | Dr. Dorian |
| 2006 | The Good German - In den Ruinen von Berlin | Colonel Muller |
| 2006 | Brothers & Sisters | Nick Brody |
| 2006 | 10.5 - Apokalypse | Paul Hollister |
| 2006 | I-See-You.com | Harvey Bellinger |
| 2006 | The Megan Mullally Show | Self - Guest |
| 2005 | American Dad | Doctor / Lieutenant Thacker (voice) |
| 2005 | American Dad | Lieutenant Thacker (voice) |
| 2005 | My Name Is Earl | Carl Hickey |
| 2005 | The Closer | Detective George Andrews / Georgette |
| 2005 | The Ballad of Jack and Rose | Marty Rance |
| 2005 | Into the West - In den Westen | Stephen Hoxie |
| 2005 | Smile | Steven |
| 2004 | Desperate Housewives | Eli Scruggs |
| 2004 | Stargate Atlantis | Hank Landry |
| 2004 | Stargate Atlantis | Major General Henry Landry |
| 2004 | Stargate Atlantis | Major General Hank Landry |
| 2004 | 10.5 - Die Erde bebt | Paul Hollister |
| 2004 | On Air with Ryan Seacrest | Self |
| 2004 | The Tony Danza Show | Self |
| 2004 | Evel Knievel | John Bork |
| 2004 | Debating Robert Lee | Mr. Lee |
| 2003 | Jimmy Kimmel Live! | |
| 2003 | Auschwitz - Out of the Ashes | Herman Prentiss, Interrogator |
| 2002 | Everwood | Daniel Sullivan |
| 2002 | Sightings: Heartland Ghost | Derek |
| 2002 | We Were the Mulvaneys | Michael Mulvaney, Sr. |
| 2001 | Die Unicorn und der Aufstand der Elfen | Professor Alan Aisling |
| 2001 | The Agency – Im Fadenkreuz der C.I.A. | |
| 2001 | Voyage of the Unicorn | Alan Aisling |
| 2001 | Boys Klub | Mario's Dad |
| 2000 | Sordid Lives | G.W. Nethercott |
| 2000 | The District – Einsatz in Washington | Tom Gage |
| 2000 | Common Ground | Father Leon |
| 2000 | Der Flug der Rentiere | Nick |
| 2000 | Songs In Ordinary Time | Omar Duvall |
| 2000 | Meeting Daddy | Larry Branson |
| 2000 | Founding Fathers | Samuel Adams (voice) |
| 1999 | Wer Sturm sät | E. K. Hornbeck |
| 1999 | White River Kid | Daddy Weed |
| 1999 | P.T. Barnum | P.T. Barnum |
| 1998 | Will & Grace | Daniel McFarland |
| 1998 | Die Expedition der Stachelbeeren | Hayden Adams (voice) |
| 1998 | The Defenders: Choice of Evils | Don Preston |
| 1998 | The Defenders: Taking the First | Don Preston |
| 1998 | Maximum Bob | Judge Bob Gibbs |
| 1998 | Quincy Jones...The First 50 Years | Self |
| 1997 | Stargate | Hank Landry |
| 1997 | RocketMan | Bud Nesbitt |
| 1997 | Die Kriegsmacher | Gov. Jim Farley |
| 1997 | Defenders – Die Vergeltung | Don Preston |
| 1996 | Jerry Maguire - Spiel des Lebens | Matt Cushman (uncredited) |
| 1996 | The Daily Show | Self |
| 1996 | Abschied von Chase | Mr. Richard Phillips |
| 1996 | Stimmen aus dem Grab | Charles Johnson |
| 1996 | Das Ende der Nacht | Clel Waller |
| 1996 | Zwischen den Welten | Bill |
| 1996 | A Stranger to Love | Allan Grant / Allan Grey |
| 1995 | Outer Limits - Die unbekannte Dimension | Dr. Simon Kress |
| 1995 | Happily Ever After: Fairy Tales for Every Child | King Big Daddy (voice) |
| 1995 | Kissinger and Nixon | Richard Nixon |
| 1995 | 5 American Handguns - 5 American Kids | Narrator |
| 1994 | Secret Sins of the Father | Tom Thielman |
| 1994 | Vault of Horror I | Dr. Martin Fairbanks |
| 1994 | Million Dollar Babies | Dr. Allan Roy Dafoe |
| 1993 | The Positively True Adventures of the Alleged Texas Cheerleader-Murdering Mom | Terry Harper |
| 1993 | Go West | Dave Hart |
| 1993 | Elvis and the Colonel: The Untold Story | Colonel Thomas A. Parker |
| 1993 | The Man with Three Wives | Dr. Norman Grayson |
| 1992 | Sidekicks | Jerry Gabrewski |
| 1991 | Dinner für Sechs | John Morden |
| 1991 | Wilde Sehnsucht | Jack Perkins |
| 1991 | Without Warning: The James Brady Story | James Brady |
| 1990 | Die Erbschleicher | Orville |
| 1990 | Women and Men: Stories of Seduction | Gerry Green |
| 1990 | Night of 100 Stars III | Self |
| 1990 | Guess Who's Coming for Christmas? | Arnold Zimmerman |
| 1989 | Geschichten aus der Gruft | Dr. Martin Fairbanks |
| 1989 | Die fabelhaften Baker Boys | Frank Baker |
| 1989 | Joy Stick Heroes | Sam |
| 1989 | Everybody's Baby: The Rescue of Jessica McClure | Police Cheif Richard Czech |
| 1989 | The Iron Triangle - Das eiserne Dreieck | Capt. Keene |
| 1989 | Signs of Life | John Alder |
| 1989 | Doppeltes Spiel | Jack Grant |
| 1988 | Sieben Stunden Angst | John Eden |
| 1987 | The Killing Time | Sam Wayburn |
| 1987 | Die Top-Cops | Joe Jennings |
| 1986 | Outrage! | Bruce Gordon |
| 1986 | The Thanksgiving Promise | Hank Tilby |
| 1986 | A Fighting Choice | Thad Taylor |
| 1986 | Can A Guy Say No? | Mr. Tauscher |
| 1985 | Unglaubliche Geschichten | Teddy Shearing |
| 1985 | Alice im Wunderland | Unicorn |
| 1985 | Alice im Wunderland | The Unicorn |
| 1985 | Space - Ein Mann greift nach den Sternen | Randy Claggett |
| 1985 | Vanessa in the Garden | Theodore 'Teddy' Shearing |
| 1984 | Das Hotel New Hampshire | Win Berry |
| 1984 | The Red-Light Sting | Frank Powell |
| 1983 | … und wenn der letzte Reifen platzt | Connie Kalitta |
| 1982 | Mit dem Wind nach Westen | Guenter Wetzel |
| 1982 | Zeugin der Anklage | Leonard Vole |
| 1982 | Love Child | Jack Hansen |
| 1982 | Dangerous Company | Ray Johnson |
| 1982 | The Kid From Nowhere | Bud Herren |
| 1981 | Da steht der ganze Freeway Kopf | Duane Hansen |
| 1980 | Silver Dream Racer | Bruce McBride |
| 1980 | United States | Richard Chapin |
| 1979 | Norma Rae - Eine Frau steht ihren Mann | Sonny |
| 1979 | Das Geheimnis der eisernen Maske | Philippe / Louis XIV |
| 1979 | The Runner Stumbles | Toby Felker |
| 1979 | The Child Stealer | David Rodman |
| 1978 | The Four Feathers | Harry Feversham |
| 1978 | The President's Mistress | Ben Morton |
| 1978 | Shimmering Light | Kevin Pearse |
| 1978 | Stubby Pringle's Christmas | Stubby Pringle |
| 1977 | Stock Car Race - Höllenjagd auf heißen Pisten | Hutch |
| 1976 | Zwei Minuten Warnung | Mike Ramsay |
| 1976 | Der scharlachrote Pirat | Major Folly |
| 1976 | Geheimnis der Libelle | Jesse |
| 1975 | Saturday Night Live | Self - Host |
| 1975 | Die Kehrseite der Medaille | Dick Buek |
| 1975 | Medical Story | Dr. Steve Drucker |
| 1974 | Aus Liebe zu Molly | Johnny |
| 1974 | The Stranger Who Looks Like Me | Chris Schroeder |
| 1974 | Are We Still Going to the Movies? | |
| 1974 | What About McBride? | |
| 1974 | It's My Hobby | Himself |
| 1974 | The Lives of Benjamin Franklin | Young Benjamin Franklin |
| 1974 | Flick Flack | |
| 1973 | Zwei auf krummer Tour | Charlie |
| 1973 | The Man Without a Country | Frederick Ingham |
| 1972 | Child's Play | Paul Reis |
| 1972 | Hammersmith ist raus | Billy Breedlove |
| 1971 | The Christian Licorice Store | Cane |
| 1971 | The Perfect Drug Film | Narrator |
| 1970 | Der Hausbesitzer | Elgar Enders |
| 1970 | Adam's Woman | Adam |
| 1970 | The Don Knotts Show | Self |
| 1969 | Gaily, Gaily | Ben Harvey |
| 1968 | For Love of Ivy | Tim Austin |
| 1967 | Incident ... und sie kannten kein Erbarmen | Pfc. Felix Teflinger |
| 1967 | Der Marshal von Cimarron | |
| 1967 | Atta Girl, Kelly! | Matt Howell |
| 1966 | Gefährlicher Alltag | |
| 1965 | Village of the Giants | Fred |
| 1965 | F.B.I. | Jerry Foley |
| 1965 | Geächtet | |
| 1965 | The Loner | |
| 1963 | Auf der Flucht | Gary Keller |
| 1963 | Auf der Flucht | Larry Corby |
| 1963 | Mr. Novak | Pat Knowland |
| 1963 | Mr. Novak | Jay Bartlett |
| 1963 | Vacation Playhouse | Brandon Drood |
| 1962 | Combat! | Orville Putnam |
| 1962 | The Tonight Show Starring Johnny Carson | Self |
| 1962 | Ensign O'Toole | Spicer |
| 1962 | Ensign O'Toole | Seaman Howard Spicer |
| 1961 | Dr. Kildare | Bob Colby |
| 1961 | Ben Casey | |
| 1961 | Frühreife Generation | Stephen |
| 1960 | Meine drei Söhne | |
| 1960 | The Clear Horizon | |
| 1959 | Bonanza | Horace Perkins |
| 1959 | Tausend Meilen Staub | Billy Johanson |
| 1958 | Abenteuer unter Wasser | |
| 1956 | Abenteuer im wilden Westen | Cpl. Moss |
| 1955 | Rauchende Colts | Jason |
| 1951 | The Company She Keeps | Obie - Boy at Train Station (uncredited) |
| 1951 | Hallmark Hall of Fame | Stubby Pringle |
| 1951 | Hallmark Hall of Fame | Leonard Vole |
| 1950 | Die Macht des Bösen | Frankie Tucker (uncredited) |
| 1949 | Gabilan, mein bester Freund | Beau |
| 1949 | Zamba | Tommy |
| 1948 | Eine Frau zuviel | Bertram (uncredited) |
