| Shameless | 2011 | A.B. Fisher | TV Show |
| Homefront | 2011 | Voice of Freedom (voice) | Unknown |
| Saints Row: The Third | 2011 | Cyrus Temple (voice) | Unknown |
| Bring Me the Head of Lance Henriksen | 2010 | Tim | Movie |
| Live Evil | 2009 | Samurai Priest Vampire Hunter | Movie |
| 21 and a Wake-Up | 2009 | Sgt. Mike Pulakis | Movie |
| War Wolves | 2009 | Frank Bergman | TV Movie |
| Dual | 2008 | Deston, Jared | Movie |
| God's Ears | 2008 | Uncle Steve | Movie |
| Wicked Lake | 2008 | Jake | Movie |
| Blue Lake Massacre | 2007 | Marshall Lex | Movie |
| Urban Decay | 2007 | Detective Thompson | Movie |
| Good God Bad Dog | 2007 | Bill Monahan | Short Film |
| Evil Bong | 2006 | Jack Deth | Movie |
| Forget About It | 2006 | Arizona Al | Movie |
| Sasquatch Mountain | 2006 | Eli Van Cleef | Movie |
| The Strange Case of Dr. Jekyll and Mr. Hyde | 2006 | Arnie Swift | Movie |
| A.I. Assault | 2006 | Admiral Harrison | TV Movie |
| Christmas Do-Over | 2006 | Arthur | TV Movie |
| Hell to Pay | 2005 | Reverend | Movie |
| The Nowhere Man | 2005 | | Movie |
| Swarmed | 2005 | Phineas Washburn | TV Movie |
| A Lousy 10 Grand | 2004 | Judge Joseph | Movie |
| Paparazzi | 2004 | Uniformed Officer | Movie |
| Dr. Vegas | 2004 | Pip | TV Show |
| Air Marshal | 2003 | Sen. Chambers | Movie |
| Cliché | 2003 | Chief Jackson | Short Film |
| Shoot or Be Shot | 2002 | Uncle Bill | Movie |
| Project Viper | 2002 | Sheriff Morgan | TV Movie |
| Body & Soul | 2002 | Carson James | TV Show |
| Ocean Park | 2002 | Mike | Movie |
| They Crawl | 2001 | Exterminator | Movie |
| Devil's Prey | 2001 | Sheriff | Movie |
| Gangland | 2001 | Dr. Adams | Movie |
| Unseen Evil | 2001 | Ranger Chuck MacNeil | Movie |
| Highway 395 | 2000 | Jim Broody | Movie |
| Red Team | 2000 | William Heywood | Movie |
| Submerged | 2000 | Owen Cantrell | Movie |
| The Princess & the Barrio Boy | 2000 | Monsignor O'Dell | TV Movie |
| The District | 2000 | Colonel Carl | TV Show |
| Dirt Merchant | 1999 | Jack | Movie |
| Last Chance | 1999 | Sam | Movie |
| Malevolence | 1999 | Mr. Williams | Movie |
| Suckers | 1999 | Detective Laughlin | Movie |
| Beggars and Choosers | 1999 | Cap Laffley | TV Show |
| Crusade | 1999 | Senator McQuate | TV Show |
| The Parkers | 1999 | Stu Pappas | TV Show |
| Border to Border | 1998 | Poet | Movie |
| Crossfire | 1998 | Crane | Movie |
| Fear and Loathing in Las Vegas | 1998 | Hoodlum | Movie |
| Cousin Skeeter | 1998 | Agent Ray Comboy | TV Show |
| The Magnificent Seven | 1998 | Guy Royal | TV Show |
| Three | 1998 | Bank Robber | TV Show |
| Vengeance Unlimited | 1998 | Krendle | TV Show |
| Together & Alone | 1998 | Daddy | Movie |
| Last Chance | 1998 | Preacher / father | Short Film |
| Blast | 1997 | Police Commissioner | Movie |
| Escape from Atlantis | 1997 | Liam Gallagher | TV Movie |
| When Time Expires | 1997 | Rifkin Koss | TV Movie |
| Ally McBeal | 1997 | Mr. Daley | TV Show |
| The Angry Beavers | 1997 | Leonard Beaver / Slap Johnson | TV Show |
| Back to Back | 1996 | Thomas | TV Movie |
| Arli$$ | 1996 | Kit Bollow | TV Show |
| Pacific Blue | 1996 | The Angel | TV Show |
| Sabrina the Teenage Witch | 1996 | Mr. Alcerro | TV Show |
| The Sentinel | 1996 | Man on Vehicle in Jungle / Ben Crilly | TV Show |
| Dominion | 1995 | Fitz | Movie |
| Heatseeker | 1995 | Oldest Elder | Movie |
| Spitfire | 1995 | Rex Beechum | Movie |
| Land's End | 1995 | Dave 'Thunder' Thornton | TV Show |
| Legend | 1995 | John Wesley Coe | TV Show |
| Sherman Oaks | 1995 | Archelino | TV Show |
| Sliders | 1995 | MacArthur Mallory | TV Show |
| Xena: Warrior Princess | 1995 | Meleager the Mighty | TV Show |
| Fleshtone | 1994 | Buddy Fields | Movie |
| Hong Kong 97 | 1994 | Jack McGraw | Movie |
| Natural Causes | 1994 | The Westerner | Movie |
| The Cisco Kid | 1994 | Lundquist | TV Movie |
| Viper | 1994 | Hanson Dekker / Lyle Hinkle | TV Show |
| Die Watching | 1993 | Detective Lewis | Movie |
| Knights | 1993 | Farmer Sitting at Campfire (uncredited) | Movie |
| Dave's World | 1993 | Minister | TV Show |
| Late Show with David Letterman | 1993 | Bob 'BB' Boberson | TV Show |
| Lois & Clark: The New Adventures of Superman | 1993 | Woody Samms | TV Show |
| Sirens | 1993 | Sgt. James 'Buddy' Zunder | TV Show |
| Walker, Texas Ranger | 1993 | Mitchell Bolton | TV Show |
| Eddie Presley | 1992 | Shock Comic | Movie |
| Nemesis | 1992 | Commissioner Sam Farnsworth | Movie |
| Stringer | 1992 | Jack Mitchett | Movie |
| The Harvest | 1992 | Steve Mobley | Movie |
| Renegade | 1992 | Sheriff | TV Show |
| The Fifth Corner | 1992 | | TV Show |
| Trancers II | 1991 | Jack Deth | Movie |
| Intimate Stranger | 1991 | Malcolm Henthoff | TV Movie |
| Nurses | 1991 | Col. Calvin Carlton | TV Show |
| Silk Stalkings | 1991 | Monti Storm / Jack Stoner / Foster Henshaw | TV Show |
| Air America | 1990 | Babo | Movie |
| Vietnam, Texas | 1990 | Max Heron | Movie |
| The Flash | 1990 | Jay Allen | TV Show |
| True Colors | 1990 | Ken | TV Show |
| Who's Harry Crumb? | 1989 | Vince Barnes | Movie |
| Baywatch | 1989 | Jim 'Buzz' Buchannon | TV Show |
| Major Dad | 1989 | Major Smiley | TV Show |
| The Young Riders | 1989 | Colonel Savage | TV Show |
| Pulse Pounders | 1988 | Jack Deth (Trancers sequence) | Movie |
| The Wrong Guys | 1988 | Tim | Movie |
| The Incredible Hulk Returns | 1988 | Jack LeBeau | TV Movie |
| Midnight Caller | 1988 | Perry Fine | TV Show |
| TV 101 | 1988 | Dave Treadwell | TV Show |
| A Tiger's Tale | 1987 | Lonny | Movie |
| Cherry 2000 | 1987 | Lester | Movie |
| Near Dark | 1987 | Loy Colton | Movie |
| 21 Jump Street | 1987 | Gordon Brooks | TV Show |
| Private Eye | 1987 | Mac Dixon | TV Show |
| Tour of Duty | 1987 | Sgt. Aubrey Decker | TV Show |
| Down and Out in Beverly Hills | 1987 | Jerry Baskin | TV Show |
| Cameo by Night | 1987 | Damon Rhoades | TV Movie |
| Glory Years | 1987 | Jack Sanders | TV Movie |
| Iron Eagle | 1986 | Ted | Movie |
| Ratboy | 1986 | Alan Reynolds (uncredited) | Movie |
| Trancers | 1985 | Jack Deth | Movie |
| Volunteers | 1985 | John Reynolds | Movie |
| Zone Troopers | 1985 | The Sarge | Movie |
| Moonlighting | 1985 | Brock Ash | TV Show |
| Tall Tales & Legends | 1985 | Brom Bones | TV Show |
| The Golden Girls | 1985 | Stevie | TV Show |
| The Twilight Zone | 1985 | Billy Diamond (segment "Take My Life...Please!") | TV Show |
| Rhinestone | 1984 | Barnett Kale | Movie |
| Hunter | 1984 | Mule Mulelowski / Police Sgt. Harry Traynor / Police Det. Gil Glasgow | TV Show |
| Murder, She Wrote | 1984 | Bert Rodgers / Lt. Clyde Pitts | TV Show |
| His Mistress | 1984 | Tom Goodman | TV Movie |
| Metalstorm: The Destruction of Jared-Syn | 1983 | Rhodes | Movie |
| The Osterman Weekend | 1983 | Motorcycle Cop | Movie |
| Uncommon Valor | 1983 | Charts | Movie |
| Hardcastle and McCormick | 1983 | Duke McGuire | TV Show |
| Gun Shy | 1983 | Theodore Ogilvie | TV Show |
| Likely Stories, Vol. 2 | 1983 | | TV Movie |
| Honkytonk Man | 1982 | Highway Patrolman | Movie |
| Jekyll and Hyde... Together Again | 1982 | Dr. Knute Lanyon | Movie |
| Some Kind of Hero | 1982 | Cal | Movie |
| Bare Essence | 1982 | Billy | TV Movie |
| Faerie Tale Theatre | 1982 | Royal Adviser | TV Show |
| St. Elsewhere | 1982 | Ebenezer Wright | TV Show |
| St. Helens | 1981 | Sheriff Wayne Temple | Movie |
| Take This Job and Shove It | 1981 | Ray Binkowski | Movie |
| Golden Gate | 1981 | Frank Nightingale | TV Movie |
| Hill Street Blues | 1981 | Nat Rikers / Nat Rikers - Shady Motel Owner | TV Show |
| Nero Wolfe | 1981 | Brian Stoner | TV Show |
| Private Benjamin | 1981 | Einhorn | TV Show |
| The Two of Us | 1981 | Reggie Cavanaugh | TV Show |
| In Trouble | 1981 | Mr. Damrush | TV Movie |
| Carny | 1980 | Doubles | Movie |
| Fade to Black | 1980 | Dr. Jerry Moriarty | Movie |
| Getting There | 1980 | Lester | TV Movie |
| Angie | 1979 | Gianni | TV Show |
| The Associates | 1979 | Johnny Danko | TV Show |
| Sergeant T.K. Yu | 1979 | | TV Movie |
| A Wedding | 1978 | Russell Bean (as Timothy Thomerson) | Movie |
| Remember My Name | 1978 | Jeff (as Timothy Thomerson) | Movie |
| Mork & Mindy | 1978 | Sergei Khruschev | TV Show |
| Which Way Is Up? | 1977 | Tour Guide (as Timothy Thomerson) | Movie |
| All That Glitters | 1977 | Sonny Packer | TV Show |
| Fantasy Island | 1977 | Lance Reynolds | TV Show |
| Quark | 1977 | Gene / Jean | TV Show |
| Record City | 1977 | Marty | Movie |
| A Year at the Top | 1977 | Billy Worthy | TV Show |
| Benny and Barney: Las Vegas Undercover | 1977 | Barney Tuscom | TV Movie |
| Diary of a Young Comic | 1977 | | TV Movie |
| Terraces | 1977 | Steve (as Timothy Thomerson) | TV Movie |
| Car Wash | 1976 | Marsha's Blond Date (as Timothy Thomerson) | Movie |
| City of Angels | 1976 | Sayers | TV Show |
| Laverne & Shirley | 1976 | Silky Mulcheck | TV Show |
| The Selling of Vince D'Angelo | 1976 | Sen. Pete Harrison | TV Movie |
| Hustling | 1975 | 'Two to a cell' Cop (uncredited) | TV Movie |
| Starsky and Hutch | 1975 | Phil | TV Show |
| A Shadow in the Streets | 1975 | Chick | TV Movie |
| Harry O | 1973 | Reporter | TV Show |
| Hawaii Five-O | 1968 | Mik Chandler | TV Show |
| Mannix | 1967 | Rusty | TV Show |
| Days of Our Lives | 1965 | Oliver Wentworth | TV Show |
| The Magical World of Disney | 1954 | Maj. Dan Hackett | TV Show |
