| Movie | 1993 | Hearts of Hot Shots! Part Deux—A Filmmaker's Apology | | |
| Movie | 2000 | Traffic | Eduardo Ruiz | |
| Movie | 2002 | Shadow Realm | Dr. Daniel Critchley | |
| Movie | 1998 | Mulan | Shan-Yu (voice) | |
| Movie | 1993 | Point of No Return | Kaufman | |
| Movie | 1996 | Project: ALF | Dexter Moyers | |
| Movie | 1987 | RoboCop | Bob Morton | |
| Movie | 1989 | DeepStar Six | Snyder | |
| Movie | 1990 | The Guardian | Ralph Hess | |
| Movie | 1993 | Another Stakeout | Tony Castellano | |
| Movie | 1997 | The Night Flier | Richard Dees | |
| Movie | 2009 | Wrong Turn at Tahoe | Vincent | |
| Movie | 2005 | The Man | Agent Peters | |
| Movie | 1993 | Hot Shots! Part Deux | Commander Arvid Harbinger | |
| Movie | 1994 | Bruce Lee: The Immortal Dragon | Narrator (voice) | |
| Movie | 1994 | Blank Check | Quigley | |
| Movie | 1983 | The Man Who Wasn't There | Waiter | |
| Movie | 2008 | Justice League: The New Frontier | J'onn J'onzz / Martian Manhunter (voice) | |
| Movie | 2004 | The Manchurian Candidate | Colonel Garret | |
| Movie | 2012 | Applebaum | Detective Garcia | |
| Movie | 1990 | Revenge | Amador | |
| Movie | 2005 | Derailroaded | Self | |
| Movie | 2010 | Hard Ride to Hell | Jefé | |
| Movie | 1984 | Flashpoint | Roget | |
| Movie | 2004 | Silver City | Cliff Castleton | |
| Movie | 2013 | Iron Man 3 | Vice President Rodriguez | |
| Movie | 1982 | And They're Off | | |
| Movie | 1989 | Valentino Returns | The Biker | |
| Movie | 2011 | Beverly Hills Chihuahua 2 | Delgado (voice) | |
| Movie | 1993 | The Harvest | Charlie Pope | |
| Movie | 1993 | It's All True | Narrator | |
| Movie | 2002 | Sunshine State | Lester | |
| Movie | 1984 | Truckin' Buddy McCoy | Pete | |
| Movie | 2012 | The Courier | Mr. Capo | |
| Movie | 2012 | Beverly Hills Chihuahua 3: Viva la Fiesta! | Delgado (voice) | |
| Movie | 1993 | Cigarettes & Coffee | Bill | |
| Movie | 1994 | A Promise Kept: The Oksana Baiul Story | Stanislav | |
| Movie | 1998 | Where's Marlowe? | Joe Boone | |
| Movie | 1994 | Royce | Gribbon | |
| Movie | 2013 | Four Assassins | Eli | |
| Movie | 2002 | Sightings: Heartland Ghost | Allen | |
| Movie | 1993 | Scam | Barry Landers | |
| Movie | 2001 | An Introduction to David Lynch | Self | |
| Movie | 2001 | Reflections on the Phenomenon of Twin Peaks | Self | |
| Movie | 1983 | Heartbreaker | Angel | |
| Movie | 1988 | C.A.T. Squad: Python Wolf | | |
| Movie | 2001 | Postcards From The Cast | Self | |
| Movie | 1994 | Jack Reed: A Search for Justice | Win Carter | |
| Movie | 2007 | Secrets from Another Place: Creating Twin Peaks | | |
| Movie | 1984 | Lovelines | Dragon | |
| Movie | 2014 | Twin Peaks: The Missing Pieces | FBI Agent Albert Rosenfield | |
| Movie | 1994 | Incident at Deception Ridge | Ray Hayes | |
| Movie | 1995 | In the Line of Duty: Hunt for Justice | Thomas Manning | |
| Movie | 1991 | Murder in High Places | Wilhoite | |
| Movie | 1989 | Guts and Glory: The Rise and Fall of Oliver North | Scott Toney | |
| Movie | 1987 | Downpayment on Murder | Martin | |
| Movie | 1997 | Mr. Magoo | Ortega Peru | |
| Movie | 2010 | 2Everything2Terrible2: Tokyo Drift | (archive footage) | |
| Movie | 1995 | Red Wind | Prologue Narrator | |
| Movie | 2017 | Teen Titans: The Judas Contract | Deathstroke (voice) | |
| Movie | 1984 | Star Trek III: The Search for Spock | First Officer | |
| Movie | 1988 | Badlands 2005 | Rex | |
| Movie | 1997 | Justice League of America | Dr. Eno / The Weather Man | |
| Movie | 1992 | Twin Peaks: Fire Walk with Me | Albert Rosenfield | |
| Movie | 2003 | L.A. County 187 | Sgt. Walter Drazin | |
| Movie | 1992 | In the Shadow of a Killer | Dist. Atty. Steven Walzer | |
| Movie | 2014 | Rio 2 | Big Boss (voice) | |
| Movie | 1998 | Brave New World | Director of Hatcheries and Conditioning | |
| Movie | 1995 | The Return of Hunter: Everyone Walks in L.A. | Jack Valko | |
| Movie | 1993 | Return to 'The Great Escape' | Narrator | |
| Movie | 2017 | See You on the Other Side Dear Friend | Self | |
| Movie | 1987 | Zabagabee | | |
| Movie | 1996 | Death in Granada | Centeno | |
| TV Show | 2005 | Medium | Joey / Teddy Carmichael | 1 |
| TV Show | 1980 | Magnum, P.I. | Bobby Wickes | 1 |
| TV Show | 1977 | CHiPs | | 1 |
| TV Show | 2000 | CSI: Crime Scene Investigation | Defense Attorney Whitten | 1 |
| TV Show | 2005 | American Dad! | Agent Hopkins (voice) | 1 |
| TV Show | 1979 | Trapper John, M.D. | | 1 |
| TV Show | 2007 | Bionic Woman | Jonas Bledsoe | 8 |
| TV Show | 2004 | The Batman | Sinestro (voice) | 1 |
| TV Show | 1996 | The Daily Show | Self | 1 |
| TV Show | 1984 | Miami Vice | | 2 |
| TV Show | 1990 | Twin Peaks | Albert Rosenfield | 19 |
| TV Show | 1989 | Tales from the Crypt | Mitch Bruckner | 1 |
| TV Show | 2001 | Crossing Jordan | Garrett Macy | 117 |
| TV Show | 1997 | The View | Self | 1 |
| TV Show | 1998 | LateLine | | 26 |
| TV Show | 1981 | Hill Street Blues | | 1 |
| TV Show | 1982 | Hotel | | 1 |
| TV Show | 1992 | On the Air | Bud Budwaller | 3 |
| TV Show | 1984 | Jeopardy! | | 1 |
| TV Show | 1982 | Cagney & Lacey | | 1 |
| TV Show | 1996 | Superman: The Animated Series | Mark Mardon (voice) | 1 |
| TV Show | 2001 | Law & Order: Criminal Intent | Gus Kovak | 1 |
| TV Show | 1998 | Will & Grace | Nathan Berry | 1 |
| TV Show | 1994 | ER | Mr. Parker | 1 |
| TV Show | 1994 | The Stand | Lloyd Henreid | 4 |
| TV Show | 1990 | Shannon's Deal | D.A. Todd Spurrier | 6 |
| TV Show | 2009 | NCIS: Los Angeles | Owen Granger | 115 |
| TV Show | 1996 | Superman: The Animated Series | De'Cine (voice) | 1 |
| TV Show | 1996 | Superman: The Animated Series | Aquaman (voice) | 1 |
| TV Show | 2011 | The Protector | Felix Valdez | 13 |
| TV Show | 2010 | Young Justice | L-1 (voice) | 2 |
| TV Show | 2000 | Jackie Chan Adventures | Tarakudo / Shadowkhan King (voice) | 8 |
| TV Show | 1990 | Broken Badges | Beau Jack Bowman | 8 |
| TV Show | 2006 | Psych | Fred Collins Boyd | 1 |
| TV Show | 1989 | Tales from the Crypt | Gary | 1 |
| TV Show | 1989 | Tales from the Crypt | Hitman (uncredited) (segment "As Ye Sow") | 1 |
| TV Show | 2010 | Ben 10: Ultimate Alien | Magister Hulka / Alpha #4 (voice) | 1 |
| TV Show | 2010 | Young Justice | Vandal Savage (voice) | 7 |
| TV Show | 2010 | Young Justice | Vandal Savage / Bibbo Bibbowski (voice) | 1 |
| TV Show | 2010 | Young Justice | Vandal Savage / Tribune (voice) | 1 |
| TV Show | 1998 | Hercules | Antaeus (voice) | 1 |
| TV Show | 2019 | The Movies That Made Us | Self (Archival Footage) | 1 |
| TV Show | 1990 | Drug Wars: The Camarena Story | Tony Riva | 3 |
| TV Show | 1992 | Cruel Doubt | Lewis Young | 2 |
| TV Show | 2008 | The Spectacular Spider-Man | Silvio Manfredi / Silvermane (voice) | 1 |
| TV Show | 2008 | The Spectacular Spider-Man | Silvermane (voice) | 1 |
| TV Show | 1996 | 3rd Rock from the Sun | Jack McManus | 1 |
| TV Show | 1993 | Fallen Angels | Abbazzia | 1 |
| TV Show | 2011 | ThunderCats | Duelist (voice) | 1 |
| TV Show | 1987 | CBS Summer Playhouse | Mic | 1 |
| TV Show | 1997 | The Shining | Mark Torrance (uncredited) | 1 |
