| 2024 | Lost & Found in Cleveland | Will Sokolowski |
| 2023 | Buckle Up | Ronnie Straight |
| 2020 | Titus Family | Homecoming | Ken Titus |
| 2020 | Survival Skills | The Narrator |
| 2018 | Periphery | Noah Cross |
| 2017 | Habit i zbroja | Narrator (voice) |
| 2017 | Sucker Punch Blues: A Look Back on John Huston's 'Fat City' | Self |
| 2017 | El día de la novia | Gundy |
| 2016 | El proceso de Tokio (serie) | Narrator (voice) |
| 2016 | Cop Stories: The Making of Richard Fleischer’s ‘The New Centurions’ | Self |
| 2016 | Man with a Plan (serie) | Joe Burns |
| 2016 | Crowded (serie) | Bob Moore |
| 2016 | Gold, la gran estafa | Clive Coleman |
| 2015 | La verdad (Truth) | Lt. Colonel Bill Burkett |
| 2015 | Father Rupert Mayer | Colonel von Bayern |
| 2015 | Sam | The Shopkeeper |
| 2014 | Vitaminamulch: Air Spectacular | Skipper |
| 2014 | NCIS: Nueva Orleans (serie) | Cassius Pride |
| 2014 | Si decido quedarme | Gramps |
| 2014 | Enlisted (serie) | Patrick |
| 2013 | Sean Saves the World (serie) | Lee Thompson |
| 2013 | Meir's Festival | Self |
| 2013 | The Blacklist (serie) | Robert Vesco |
| 2013 | Nebraska | Ed Pegram |
| 2013 | Brooklyn Nine-Nine (serie) | Jimmy Brogan |
| 2013 | The Great Chameleon | Max |
| 2013 | Ooga Booga | Judge |
| 2012 | 1600 Penn (serie) | Frohm Thoroughgood |
| 2012 | An Amazing Time: A Conversation About End of the Road | Self |
| 2012 | El legado de Bourne | Turso |
| 2012 | Terapia con Charlie (serie) | Ray |
| 2012 | Cellmates | Warden Merville |
| 2011 | The Exes (serie) | Bill Drake |
| 2011 | Catastrofe | Marcus |
| 2011 | Jerusalem, cuenta atrás | Jackson |
| 2011 | Los cuentos de Mate: Air Mate | Skipper (voice) |
| 2011 | Miller's Tale | Self |
| 2011 | Hindenburg (serie) | Edward van Zandt |
| 2011 | El declive de Patrick Leary (serie) | Pops |
| 2010 | Familia de policías (serie) | Kevin Kearns |
| 2010 | The Aristofrogs | — |
| 2010 | Póquer de reinas (serie) | Alex Chase |
| 2010 | The Portal | Professor Haffler |
| 2009 | Imbued | Donatello |
| 2009 | Chicago Overcoat | Ray Berkowski |
| 2009 | La amenaza de Casandra (serie) | Sheriff Crowe |
| 2009 | Niñera express | Reverend MacGregor |
| 2008 | Ring of Death | Warden Carl Golan |
| 2008 | Camelot: Live from Lincoln Center | Merlyn |
| 2008 | El jinete solitario | Robert Hattaway |
| 2008 | The Last Full Measure | Narrator (voice) |
| 2007 | La historia de Pixar | Narrator (voice) |
| 2007 | American Greed (serie) | Self - Narrator (voice) |
| 2006 | Warplane (serie) | Self - Narrator (voice) |
| 2006 | Death Row | John Elias |
| 2006 | Rockefeller Plaza (serie) | Stacy Keach |
| 2006 | El capitán Barbanegra (serie) | Cpt. Benjamin Hornigold |
| 2006 | Come Early Morning | Owen Allen |
| 2006 | Duelo de corazones | Samuel Kendrick |
| 2006 | Jesus, Mary and Joey | Jack O`Callahan |
| 2005 | Keep Your Distance | Brooks Voight |
| 2005 | Prison Break (serie) | Warden Henry Pope |
| 2005 | Man with the Screaming Brain | Dr. Ivan Ivanovich Ivanov |
| 2005 | Bajo custodia | Mr. Jones |
| 2004 | Galaxy Hunter | 3V3 |
| 2004 | Totally Outrageous Behavior (serie) | Self - Narrator (voice) |
| 2003 | Dos hombres y medio (serie) | Tom |
| 2003 | Kangaroo Hitchcock: The Making of 'Road Games' | Self |
| 2003 | Wie tauscht man seine Eltern um? | Richard Hendersen |
| 2003 | Frozen Impact | Pete Crane |
| 2003 | Sasquatch: Legend Meets Science | Narrator (voice) |
| 2003 | Operation Balikatan | General Thurmond |
| 2002 | The Santa Trap | Max the Biker |
| 2002 | Girls Club (serie) | — |
| 2002 | Boomtown (serie) | Jack 'Mac' McNorris |
| 2002 | ¿Qué hay de nuevo, Scooby-Doo? (serie) | The Mayor (voice) |
| 2002 | George Lopez (serie) | — |
| 2002 | The Real Death Star | Narrator (voice) |
| 2001 | Tormenta eléctrica | Bart Pointdexter |
| 2001 | Birds of Passage | Captain Savienko |
| 2001 | The Face: Jesus in Art | Narrator (voice) |
| 2001 | Sunstorm | Gen. John Parker |
| 2001 | El proyecto Z (serie) | — |
| 2001 | Majestic White Horses | Narrator (voice) |
| 2001 | Gary & Mike (serie) | (voice) |
| 2001 | Warship: Innovations that Changed the World (serie) | Host |
| 2000 | Tesla: Master of Lightning | Nikola Tesla (Voice) |
| 2000 | La calle del perdón | Tom |
| 2000 | Militia | George Armstrong Montgomery |
| 2000 | Savage Planet: Deadly Skies | Narrator (voice) |
| 2000 | Icebreaker | Bill Foster |
| 2000 | Alien Technology | Host |
| 2000 | Titus (serie) | Ken Titus |
| 2000 | El silencio del miedo | Mr. Hill |
| 2000 | The Courage to Love | Jean-Baptiste Delille |
| 2000 | Unshackled | Warden Kelso |
| 1999 | Los chicos del maíz 666 VI: El regreso de Isaac | Dr. Michaels |
| 1999 | Ley y orden: Unidad de Víctimas Especiales (serie) | Orion Bauer |
| 1999 | National Geographic - La cara oculta de los delfines | Narrator (voice) |
| 1999 | The Late Late Show with Craig Kilborn (serie) | Invitado especial |
| 1999 | World's Most Amazing Videos (serie) | Self - Narrator (voice) |
| 1999 | Olympic Glory | Narrator (voice) |
| 1999 | Batman del futuro (serie) | Vance (voice) |
| 1997 | Terror futuro | General Wallace |
| 1997 | Mike Hammer, Private Eye (serie) | Mike Hammer |
| 1997 | Murder in My Mind | Cargill |
| 1997 | Die Gang (serie) | Jean-Marie Bosco |
| 1997 | La leyenda de la tumba perdida | Dr. William Bent |
| 1997 | The Sea Wolf | — |
| 1997 | Volcano: Nature's Inferno | Narrator (voice) |
| 1996 | La venganza del jaguar | The Commander |
| 1996 | E! True Hollywood Story (serie) | — |
| 1996 | 2013: Rescate en L.A. | Malloy |
| 1996 | El último explorador | Compte du Leon |
| 1996 | Titanic's Lost Sister | Narrator (voice) - US Version |
| 1995 | Young Ivanhoe | Pembrooke |
| 1995 | Amanda & the Alien | Emmitt Mallory |
| 1995 | Más allá del límite (serie) | Cord van Owen |
| 1995 | Andrew Wyeth: Self Portrait - Snow Hill | Narrator |
| 1994 | Against Their Will: Women in Prison | Jack Devlin |
| 1994 | The Secret of the Wild Child | Self |
| 1994 | New Crime City: Los Angeles 2020 | Wynorski |
| 1994 | Tocados por un ángel (serie) | Ty Duncan |
| 1994 | Urgencias (serie) | Mike Gates |
| 1994 | Buen policía, mal policía | Deputy Mayor Bob Jenkins |
| 1994 | Reflections on Elephants | Narrator |
| 1993 | Batman: La máscara del fantasma | Phantasm / Carl Beaumont (voice) |
| 1993 | Sunset Grill | Harrison Shelgrove |
| 1993 | National Geographic: The Lost Fleet of Guadalcanal | Self - Narrator (voice) |
| 1993 | Fuerza irresistible | Harris Stone |
| 1993 | Rio Diablo | Kansas |
| 1993 | Working with Orson Welles | Himself |
| 1992 | Venganza sobre ruedas | Claude Sams |
| 1992 | The Secret World Of Bats | Host |
| 1991 | Misión Tiburón | Capt. Charles Butler McVay |
| 1991 | Rugrats: Aventuras en pañales (serie) | Marvin Finster (voice) |
| 1991 | Milena | Jesenski |
| 1991 | Haunted Lives: True Ghost Stories (serie) | Narrator |
| 1991 | I Misteri Della Giungla Nera (serie) | Colonel Edward Corishant |
| 1990 | Lindbergh | Self - Narrator (voice) |
| 1990 | False Identity | Ben Driscoll / Harlan Errickson |
| 1990 | Curso de 1999 | Dr. Bob Forrest |
| 1989 | Los Simpson (serie) | Howard K. Duff VIII (voice) / Don Bookner (voice) |
| 1989 | Mike Hammer: Murder Takes All | Mike Hammer |
| 1988 | American Experience (serie) | Narrator (voice) |
| 1988 | LIVE with Kelly and Mark (serie) | (archive footage) |
| 1986 | The Return of Mickey Spillane's Mike Hammer | Mike Hammer |
| 1986 | Intimate Strangers | Dr. Jeff Bierston |
| 1984 | La hija de Mistral (serie) | Julien Mistral |
| 1984 | Six Centuries of Verse (serie) | Himself - Reader |
| 1984 | Mike Hammer (serie) | Mike Hammer |
| 1984 | More Than Murder | Mike Hammer |
| 1983 | La princesa Daisy (serie) | Count Alexander "Stash" Valensky |
| 1983 | Murder Me, Murder You | Mike Hammer |
| 1982 | Cuando fuimos campeones | James Daley |
| 1982 | Azules y grises (serie) | Jonas Steele |
| 1982 | La marca de la mariposa | Jess Tyler |
| 1982 | Wait Until Dark | Roat / Roat Sr. / Roat Jr. |
| 1981 | Vendemos chocolate | The Sarge |
| 1981 | Juegos de carretera | Patrick 'Pat' Quid |
| 1980 | A Rumor of War (serie) | Maj. Ball |
| 1980 | The Search for Solutions (serie) | Narrator |
| 1980 | Forajidos de leyenda | Frank James |
| 1980 | Portrait of a Rebel: The Remarkable Mrs. Sanger | Judge Murdock |
| 1980 | La novena configuración | Col. Vincent Kane |
| 1979 | Diary of a Young Comic | Mr. Porzinski |
| 1978 | Two Solitudes | Huntley McQueen |
| 1978 | La montaña del dios caníbal | Professor Edward Foster |
| 1978 | Alerta roja: Neptuno hundido | Captain Bennett |
| 1978 | Los jóvenes leones (Batalla de gigantes) | Maggiore Mannfred Roland |
| 1977 | The Squeeze | Jim Naboth |
| 1976 | Un asesino dentro de mí | Lou Ford |
| 1976 | Los ejecutores | Charlie Hanson |
| 1976 | Dinastía | Matt Blackwood |
| 1975 | Saturday Night Live (serie) | Self - Cameo (uncredited) |
| 1975 | Culpable sin rostro | Capitano Archer |
| 1975 | James Dean: The First American Teenager | Narrator (voice) |
| 1975 | One By One | Narrator |
| 1974 | Toda clase de extraños | James "Jimmy" Wheeler |
| 1974 | The Formula One Drivers (aka The Quick and the Dead) | Narrator |
| 1974 | Watched! | Mike Mandell / Sonny |
| 1974 | The Gravy Train | Calvin |
| 1974 | NOVA (serie) | Narrator |
| 1974 | Luther | Martin Luther |
| 1972 | Los nuevos centuriones | Roy Fehle |
| 1972 | Fat City, ciudad dorada | Tully |
| 1971 | Duelo a muerte en OK Corral | Doc Holliday |
| 1971 | Great Performances (serie) | — |
| 1970 | El volar es para los pájaros | Abraham Wright |
| 1970 | El viajero de la muerte | Jonas Candide |
| 1968 | El corazón es un cazador solitario | Blount |
| 1961 | The Mike Douglas Show (serie) | Self |
| 1954 | Lassie (serie) | — |
| 1944 | Premios Globo de Oro (serie) | Self - Presenter |
