TO
Filmography
| 2022 | Pieces of Her (TV Series) · as Martin Queller |
| 2021 | Ultra City Smiths (TV Series) · as Captain Krieger (voice) |
| 2021 | Resident Alien (TV Series) · as Peter Bach |
| 2021 | Christmas Sail · as Dennis |
| 2020 | FBI: Most Wanted (TV Series) · as Byron LaCroix |
| 2019 | Perpetual Grace LTD (TV Series) · as Wesley |
| 2019 | Emergence (TV Series) · as Richard Kindred |
| 2018 | Castle Rock (TV Series) · as Dale Lacy |
| 2017 | The Blacklist: Redemption (TV Series) · as Howard Hargrave |
| 2016 | New Life · as Dr. Philip Sumrall |
| 2015 | Patriot (TV Series) · as Tom Tavner |
| 2015 | Secrets and Lies (2015) (TV Series) · as John Warner |
| 2014 | Gang Related (TV Series) · as Sam Chapel |
| 2013 | Full Circle (TV Series) · as Jimmy Parerra |
| 2013 | The Blacklist (TV Series) · as Howard Hargrave |
| 2012 | Ring of Fire (2012) (TV Series) · as Oliver Booth |
| 2012 | 666 Park Avenue (TV Series) · as Gavin Doran |
| 2011 | Taken from Me: The Tiffany Rubin Story · as Mark Miller |
| 2011 | Falling Skies (TV Series) · as Arthur Manchester |
| 2011 | Hallelujah · as Del Roman |
| 2010 | Hawaii Five-0 (TV Series) · as Joe White |
| 2009 | Lost: Destiny Calls · as John Locke |
| 2009 | Lost: The Story of the Oceanic 6 · as John Locke |
| 2009 | Lost: A Journey in Time · as John Locke |
| 2007 | Masters of Science Fiction (TV Series) · as Unknown |
| 2007 | Phineas and Ferb (TV Series) · as Professor Mystery |
| 2004 | Lost (TV Series) · as John Locke |
| 2003 | Old School · as Goldberg (uncredited) |
| 2003 | Jimmy Kimmel Live! (TV Series) · as Unknown |
| 2003 | NCIS (TV Series) · as Colonel Will Ryan |
| 2002 | Hometown Legend · as Buster Schuler |
| 2002 | The Locket · as Casey Keddington |
| 2002 | First Monday (TV Series) · as Unknown |
| 2001 | American Outlaws · as Rollin H. Parker - Rains' Gopher |
| 2001 | Semper Fi · as Cliff's Father |
| 2001 | WW 3 · as Eric Farrell |
| 2001 | Law & Order: Criminal Intent (TV Series) · as Unknown |
| 2001 | Alias (TV Series) · as F.B.I. Assistant Director Kendall |
| 2000 | Rated X · as J.R. "Bob" Mitchell |
| 1999 | Murder in a Small Town · as Sidney Lassiter |
| 1999 | The West Wing (TV Series) · as General Nicholas Alexander |
| 1999 | Roswell (TV Series) · as Carl |
| 1999 | Harsh Realm (TV Series) · as Unknown |
| 1998 | The X Files · as Michaud |
| 1997 | Shadow Conspiracy · as Frank Ridell |
| 1997 | On the Edge of Innocence · as David Walker |
| 1997 | Breast Men · as Hersch Lawyer |
| 1997 | The Wonderful World of Disney (TV Series) · as actor |
| 1996 | Ghosts of Mississippi · as Judge Hilburn |
| 1996 | Millennium (TV Series) · as Peter Watts |
| 1996 | Primal Fear · as Bud Yancy |
| 1995 | Shadow Warriors · as Dr. Connors |
| 1995 | Ray Alexander: A Menu for Murder · as Frank Darnell |
| 1995 | JAG (TV Series) · as Admiral Thomas Boone |
| 1994 | MacShayne: Winner Takes All · as Danny Leggett |
| 1994 | Death of A Cheerleader · as Ed Saxe |
| 1994 | Don't Talk to Strangers · as Bonner |
| 1994 | Lipstick Camera · as Raymond Miller |
| 1994 | Heart of a Child · as Gordon Holc |
| 1994 | Justice in a Small Town · as Harris Wiley |
| 1994 | Earth 2 (TV Series) · as Reilly |
| 1993 | Tombstone · as Mayor John Clum |
| 1993 | Amityville: A New Generation · as Detective Clark |
| 1993 | The X-Files (TV Series) · as Lt. Brian Tillman |
| 1993 | Homicide: Life On The Street (TV Series) · as Unknown |
| 1993 | Diagnosis Murder (TV Series) · as Ronald Trent |
| 1993 | Born Too Soon · as Dr. Friedman |
| 1992 | The Good Fight · as Henry Cragin |
| 1992 | My Samurai · as Unknown |
| 1992 | Deliver Them from Evil: The Taking of Alta View · as Sergeant Don Bell |
| 1992 | Wild Card · as Barlow |
| 1992 | Sexual Advances · as Cliff Ripley |
| 1992 | The Cutting Edge · as Jack Moseley |
| 1991 | Company Business · as Colonel Pierce Grissom |
| 1991 | The Rocketeer · as Howard Hughes |
| 1991 | Son of The Morning Star (TV Series) · as Gen. Alfred Terry |
| 1991 | Shoot First: A Cop's Vengeance · as Sergeant Nicholas |
| 1990 | Kaleidoscope · as Henry |
| 1990 | Perry Mason: The Case of the Desperate Deception · as Curt Mitchell |
| 1990 | Prisoners of the Sun · as Major Beckett |
| 1989 | Blind Fury · as Frank Devereaux |
| 1989 | Stepfather II: Make Room for Daddy · as Dr. Gene Clifford / Jerry Blake |
| 1989 | The Forgotten One · as Bob Anderson |
| 1989 | Guts and Glory: The Rise and Fall of Oliver North · as Aaron Sykes |
| 1989 | Tales from the Crypt (TV Series) · as Unknown |
| 1988 | Young Guns · as Alex McSween |
| 1988 | Pin · as Dr. Frank Linden |
| 1988 | Stranger on My Land · as Connie Priest |
| 1987 | The Stepfather · as Jerry Blake |
| 1987 | When the Time Comes · as Wes Travis |
| 1987 | Black Widow · as Bruce |
| 1987 | Star Trek: The Next Generation (TV Series) · as Admiral Eric Pressman |
| 1987 | Jake and the Fatman (TV Series) · as Unknown |
| 1986 | Between Two Women · as Dr. Wallace |
| 1986 | Women of Valor · as Maj. Tom Patterson |
| 1986 | SpaceCamp · as Launch Director |
| 1986 | L.A. Law (TV Series) · as Nick Moats |
| 1986 | Matlock (TV Series) · as Unknown |
| 1985 | Mischief · as Claude Harbrough |
| 1985 | Right to Kill? · as Jim Barrett |
| 1985 | The Twilight Zone (1985) (TV Series) · as Unknown |
| 1985 | Moonlighting (TV Series) · as Unknown |
| 1985 | Silver Bullet · as Sheriff Joe Haller |
| 1984 | Places in the Heart · as Buddy Kelsey |
| 1984 | Mrs. Soffel · as Detective Buck McGovern |
| 1984 | Miami Vice (TV Series) · as Richard Cain |
| 1983 | Without a Trace · as Parent |
| 1983 | All the Right Moves · as Freeman Smith |
| 1982 | Remington Steele (TV Series) · as Chuck McBride |
| 1980 | Heaven's Gate · as Captain Minardi |
| 1979 | Tales of the Unexpected (TV Series) · as Cop |
| 1951 | Hallmark Hall Of Fame (TV Series) · as Michael Keddington's Abusive Father |