| 818 | 2018 | Jeffrey Maddison | Movie |
| Big Break | 2018 | Richard / Grandpa | Short Film |
| The Preacher's Son | 2017 | Congressman Dixon (as Tim De Zarn) | Movie |
| The Wolves of Savin Hill | 2017 | Fitz (as Tim De Zarn) | Movie |
| The Hatred | 2017 | Sheriff | Movie |
| S.W.A.T. | 2017 | Brewster | TV Show |
| Bro/Science/Life: The Series | 2017 | JohnElway | TV Show |
| Shooter | 2016 | Clerk | TV Show |
| Used Body Parts | 2016 | Gas Man (as Tim DeZam) | Short Film |
| Christmas Crime Story | 2016 | Barrett Hill | Movie |
| Seven Bucks Digital Studios | 2016 | Johnelway | TV Show |
| Better Call Saul | 2015 | Mr. Harkness | TV Show |
| Agent Carter | 2015 | George | TV Show |
| Blunt Talk | 2015 | Bartender | TV Show |
| The Barber | 2014 | Capt. Phil Baroni (as Tim Dezarn) | Movie |
| Atlas Shrugged: Who Is John Galt? | 2014 | Train Engineer (as Tim De Zarn) | Movie |
| NCIS: New Orleans | 2014 | Retired Navy Lieutenant Paul Hare | TV Show |
| The Grimm Backward | 2014 | Sheriff Rizzi (as Tim De Zarn) | Movie |
| Murdered: Soul Suspect | 2014 | Officer Stewart / Father McCauley (voice, as Tim De Zarn) | Unknown |
| Better the Devil | 2014 | Lou (as Tim De Zarn) | Short Film |
| Newsreaders | 2013 | Shawn Frost | TV Show |
| The Scourge | 2013 | Cliff | Movie |
| K-11 | 2012 | Sgt. Cowboy Williams (as Tim De Zarn) | Movie |
| Longmire | 2012 | Keith Harp | TV Show |
| The Cabin in the Woods | 2011 | Mordecai | Movie |
| Shameless | 2011 | Nana | TV Show |
| The Artist | 2011 | Soldier (as Tim Dezarn) | Movie |
| Prime Suspect | 2011 | Duke | TV Show |
| Justified | 2010 | Det. Dempsey | TV Show |
| Command & Conquer 4: Tiberian Twilight | 2010 | General Riggs (voice, as Tim De Zarn) | Unknown |
| Re-Cut | 2010 | Sheriff Tate (as Tim De Zarn) | Movie |
| The Last 10 Seconds of Lost | 2010 | Locke | TV Show |
| Castle | 2009 | Bartender | TV Show |
| Southland | 2009 | Father Greg Carmichael | TV Show |
| NCIS: Los Angeles | 2009 | Jim Mullins | TV Show |
| The Forgotten | 2009 | Frank Sanders | TV Show |
| Ted Sampon: Househusband | 2009 | Weird Tampon Guy | TV Show |
| Untraceable | 2008 | Herbert Miller (as Tim deZarn) | Movie |
| Sons of Anarchy | 2008 | Nate Meineke | TV Show |
| Raising the Bar | 2008 | | TV Show |
| The Mentalist | 2008 | Arkin Shea | TV Show |
| Live Free or Die Hard | 2007 | Police Sergeant (as Tim deZarn) | Movie |
| Life | 2007 | Flint Garber | TV Show |
| Mad Men | 2007 | Jim Anderson | TV Show |
| Swedish Auto | 2006 | Shelley (as Tim De Zarn) | Movie |
| The Texas Chainsaw Massacre: The Beginning | 2006 | Supervisor (as Tim deZarn) | Movie |
| Criminal Minds | 2005 | Paul Barter | TV Show |
| Grey's Anatomy | 2005 | Santa Claus | TV Show |
| Prison Break | 2005 | Salty Vet | TV Show |
| The Closer | 2005 | Mr. Dobson | TV Show |
| Weeds | 2005 | Sergeant Holbrook | TV Show |
| Deadwood | 2004 | Townsman / Townsman who pays crier / Townsman (bank customer) | TV Show |
| Lost | 2004 | Trevor | TV Show |
| Murder, She Wrote: The Celtic Riddle | 2003 | Arresting Sergeant (as Tim deZarn) | TV Movie |
| 10-8: Officers on Duty | 2003 | FBI Agent Lorenzo | TV Show |
| Cold Case | 2003 | Ricky Stockvis (2003) | TV Show |
| Dragnet | 2003 | Henry Berk | TV Show |
| NCIS | 2003 | David Runion | TV Show |
| Spider-Man | 2002 | Philip Watson (as Tim deZarn) | Movie |
| Monk | 2002 | Max Barton | TV Show |
| The Shield | 2002 | Kevin | TV Show |
| One Night at McCool's | 2001 | Detective Ertagian | Movie |
| Crossing Jordan | 2001 | Police Chief | TV Show |
| Six Feet Under | 2001 | Mechanic | TV Show |
| Gone in 60 Seconds | 2000 | Shotgun Guy (as Tim Dezarn) | Movie |
| Pay It Forward | 2000 | Liquid Man #2 (as Tim Dezarn) | Movie |
| The Visit | 2000 | Guard Enheim | Movie |
| CSI: Crime Scene Investigation | 2000 | Red Carlton | TV Show |
| Fight Club | 1999 | Federated Motor Co. Inspector Bird (as Tim deZarn) | Movie |
| Safe Harbor | 1999 | | TV Show |
| Glacier Falls | 1999 | Bob (as Tim De Zarn) | Movie |
| Brimstone | 1998 | Tommy Fanaro | TV Show |
| Martial Law | 1998 | Kurt Packard | TV Show |
| The Magnificent Seven | 1998 | Powderman | TV Show |
| I Married a Monster | 1998 | Bud Riley (as Tim De Zarn) | TV Movie |
| I Love You, Don't Touch Me! | 1997 | Vagrant (as Tim De Zarn) | Movie |
| Steel | 1997 | Skinhead Leader | Movie |
| Alien Nation: The Udara Legacy | 1997 | Leonard Guini (as Tim De Zarn) | TV Movie |
| Miracle in the Woods | 1997 | Corrupt Sheriff (as Tim de Zarn) | TV Movie |
| Murder One: Diary of a Serial Killer | 1997 | Mr. Jenks | TV Show |
| On the Line | 1997 | Trevor Freed (as Tim De Zarn) | TV Movie |
| Beyond Belief: Fact or Fiction | 1997 | Raymond Michael Edmondson (segment: The Electric Chair) | TV Show |
| Gun | 1997 | | TV Show |
| Players | 1997 | Hugo Stern | TV Show |
| Ladykiller | 1996 | Mackey (as Tim De Zarn) | Movie |
| Precious Find | 1996 | Freddie the Albino Man (as Tim De Zarn) | Movie |
| 7th Heaven | 1996 | Pool Hall Manager | TV Show |
| Nash Bridges | 1996 | Martin Brown | TV Show |
| Pacific Blue | 1996 | Willoughby | TV Show |
| The Burning Zone | 1996 | Jonas | TV Show |
| Spycraft: The Great Game | 1996 | Harmonica (as Tim Dezarn) | Unknown |
| Raging Angels | 1995 | Banker | Movie |
| Tales from the Crypt: Demon Knight | 1995 | Homer (as Tim deZarn) | Movie |
| Murder One | 1995 | Mr. Jenks | TV Show |
| Nowhere Man | 1995 | Harry Corners | TV Show |
| Star Trek: Voyager | 1995 | Warden Yediq / Haliz | TV Show |
| Independence Day | 1994 | Man with a Secret (as Tim De Zarn) | Short Film |
| Midnight Runaround | 1994 | Farmer #1 (as Tim De Zarn) | TV Movie |
| ER | 1994 | Mr. Krawczyk | TV Show |
| Viper | 1994 | Johnson | TV Show |
| Extreme Justice | 1993 | Eddie Payton (as Tim De Zarn) | Movie |
| Joshua Tree | 1993 | Warehouse Cop #1 (as Tim De Zarn) | Movie |
| Bakersfield P.D. | 1993 | Frank - Suspect #2 | TV Show |
| Dr. Quinn, Medicine Woman | 1993 | Sergeant / Sergeant Dixon | TV Show |
| NYPD Blue | 1993 | George Putnam | TV Show |
| Star Trek: Deep Space Nine | 1993 | Halb | TV Show |
| Rage and Honor | 1992 | Fast Eddie (as Tim De Zarn) | Movie |
| South Central | 1992 | Buddha | Movie |
| The Witness | 1992 | Paperwork Soldier #1 (as Tim De Zarn) | TV Show |
| Renegade | 1992 | Joey Hardcastle | TV Show |
| Ricochet | 1991 | Skinhead (as Tim De Zarn) | Movie |
| Tagget | 1991 | | TV Movie |
| Silk Stalkings | 1991 | Tim Osgood | TV Show |
| Sisters | 1991 | Husband | TV Show |
| Under Surveillance | 1991 | SWAT Trooper (as Tim De Zarn) | Movie |
| The Killing Mind | 1991 | Gordon Atherton (as Tim De Zarn) | TV Movie |
| Running Against Time | 1990 | Aide (as Tim de Zarn) | TV Movie |
| Too Young to Die? | 1990 | Patron (as Tim deZarn) | TV Movie |
| Gabriel's Fire | 1990 | Drunk | TV Show |
| Three Fugitives | 1989 | First Officer (as Tim de Zarn) | Movie |
| Everybody's Baby: The Rescue of Jessica McClure | 1989 | | TV Movie |
| Hardball | 1989 | | TV Show |
| Quantum Leap | 1989 | Stan | TV Show |
| Seinfeld | 1989 | Salesman | TV Show |
| Dragnet | 1989 | Officer / Jerry / Uniformed Officer | TV Show |
| The Young Riders | 1989 | Sgt. Liebrandt | TV Show |
| Star Trek: The Next Generation | 1987 | Satler | TV Show |
| Tour of Duty | 1987 | Sgt. Apter | TV Show |
| L.A. Law | 1986 | Voltaggio | TV Show |
| Spenser: For Hire | 1985 | Harris | TV Show |
| The Equalizer | 1985 | Stoller | TV Show |
| Hunter | 1984 | Hench | TV Show |
| Acts of Desperation | | Maynard | Movie |
| Buckshot | | Buckshot (as Tim DeZam) | Movie |
| Tattoo | | Bob Carpenter | Short Film |
| Project Dorothy | | James | Movie |
| The Lilac Thief | | The Pastor | Short Film |
| In the Sunset of the Condemned | | Don 'The Marksman' Benbow | Movie |
| American Steel | | Stranger | Short Film |
| You're Doing Great | | Angus | Short Film |
