Filmography78 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2024 | Watchmen: Chapter IMovie | Detective Steve Fine / Happy Harry (voice) | 77 |
| 2021 | Jellystone!Series | Dick Dastardly / Dinky Dalton (voice) | 74 |
| 2021 | Ben 10,010Movie | Admiral Animo (voice) | 74 |
| 2020 | Happy Halloween, Scooby-Doo!Movie | Dr. Crane, AKA: Scarecrow (voice) | 73 |
| 2017 | DeepMovie | Kraken (voice) | 70 |
| 2016 | Ben 10Series | Dr. Animo / Lumberjack (voice) | 69 |
| 2016 | Barbie: Star Light AdventureMovie | Constantine (voice) | 69 |
| 2015 | Harvey BeaksSeries | Lake Spirit (voice) | 68 |
| 2013 | Wander Over YonderSeries | Wild Card (voice) | 66 |
| 2013 | Marvel's AvengersSeries | Attuma (voice) | 66 |
| 2012 | Teenage Mutant Ninja TurtlesSeries | Wyrm (voice) | 65 |
| 2012 | Ben 10: OmniverseSeries | Dr. Animo (voice) | 65 |
| 2012 | Ben 10: Destroy All AliensMovie | Dr. Animo (voice) | 65 |
| 2010 | Batman: Under the Red HoodMovie | Freddie / Drug Dealer (voice) | 63 |
| 2010 | Ben 10: Ultimate AlienSeries | Dr. Animo / Teacher #2 (voice) | 63 |
| 2010 | Scooby-Doo! Mystery IncorporatedSeries | Older Danny Darrow (voice) | 63 |
| 2010 | The A-TeamMovie | German Doctor #1 | 63 |
| 2010 | Young JusticeSeries | Mad Hatter (voice) | 63 |
| 2010 | The Avengers: Earth's Mightiest HeroesSeries | Technovore / Executive 1 / AIM Scientist (voice) | 63 |
| 2008 | Ben 10: Alien ForceSeries | Null Guardian / D'Void (Dr. Animo) (voice) | 61 |
| 2007 | ChowderSeries | Mung Daal (voice) | 60 |
| 2007 | Ben 10: Secret of the OmnitrixMovie | Dr. Animo (voice) | 60 |
| 2006 | Where My Dogs At?Series | — | 59 |
| 2005 | Avatar: The Last AirbenderSeries | Trainer / Additional Voices (voice) | 58 |
| 2005 | Ben 10Series | Dr. Animo (voice) | 58 |
| 2004 | Van Helsing: The London AssignmentMovie | Dr. Jekyll (voice) | 57 |
| 2003 | The AnimatrixMovie | Additional Voices ("The Second Renaissance Part I & II") / Monaka ("Matriculated") | 56 |
| 2003 | The AnimatrixSeries | Nonaka (voice) | 56 |
| 2003 | MatriculatedMovie | Nonaka (voice) | 56 |
| 2003 | BeyondMovie | Townspeople, Policemen, and Exterminators (voice) | 56 |
| 2003 | The Second Renaissance Part IMovie | Additional Voices (voice) | 56 |
| 2003 | The Second Renaissance Part IIMovie | Additional Voices (voice) | 56 |
| 2001 | The AgencySeries | Russell Orland | 54 |
| 2001 | Final Fantasy: The Spirits WithinMovie | Scan Technician (voice) (uncredited) | 54 |
| 2001 | Making Vampire Hunter D: BloodlustMovie | Self | 54 |
| 2001 | Invader ZIMSeries | — | 54 |
| 2001 | The Wild Thornberrys: The Origin of DonnieMovie | Badouk / Monkey / Poacher (voice) | 54 |
| 2001 | Vampire Hunter D: BloodlustMovie | Benge / Old Man of Barbarois (voice) | 54 |
| 1999 | Family GuySeries | Randall Fargus (voice) | 52 |
| 1998 | The Wild ThornberrysSeries | Dr. Freed / Customer (voice) | 51 |
| 1998 | CatDogSeries | Eddie the Squirrel (voice) | 51 |
| 1998 | Fantasy IslandSeries | Greasy | 51 |
| 1998 | The Lost WorldMovie | Edward Malone | 51 |
| 1997 | Stargate SG-1Series | The Keeper | 50 |
| 1997 | Get to the Heart: The Barbara Mandrell StoryMovie | Irby Mandrell | 50 |
| 1996 | Star Trek: First ContactMovie | Lieutenant Barclay | 49 |
| 1996 | Hart to Hart: Till Death Do Us HartMovie | Peter Donner | 49 |
| 1995 | The Outer LimitsSeries | Leviticus Mitchell | 48 |
| 1995 | Star Trek: VoyagerSeries | Reginald Barclay | 48 |
| 1995 | Nowhere ManSeries | Harrison Barton | 48 |
| 1994 | Touched by an AngelSeries | Dr. Adam Litowski | 47 |
| 1994 | Babylon 5Series | Amis | 47 |
| 1994 | Menendez: A Killing in Beverly HillsMovie | Dr. Jerome Oziel | 47 |
| 1994 | Weird ScienceSeries | — | 47 |
| 1993 | Diagnosis: MurderSeries | Dr. Henry Wexler | 46 |
| 1993 | Lois & Clark: The New Adventures of SupermanSeries | Garret Grady | 46 |
| 1993 | Walker, Texas RangerSeries | Lloyd Allen | 46 |
| 1993 | Diagnosis: MurderSeries | Dr. Gavin Reed | 46 |
| 1993 | The TempMovie | Roger Jasser | 46 |
| 1993 | BoomtownMovie | Wiley Tate | 46 |
| 1992 | Last WishMovie | Ed Edwards | 45 |
| 1992 | Woman With a PastMovie | Mick | 45 |
| 1991 | RugratsSeries | Gracko (voice) | 44 |
| 1990 | The Long Walk HomeMovie | Norman Thompson | 43 |
| 1989 | Fat Man and Little BoyMovie | J. Robert Oppenheimer | 42 |
| 1989 | Perry Mason: The Case of the Musical MurderMovie | Tony Franken | 42 |
| 1987 | Jake and the FatmanSeries | — | 40 |
| 1987 | Star Trek: The Next GenerationSeries | Lt. Barclay | 40 |
| 1987 | Perry Mason: The Case of the Sinister SpiritMovie | Andrew Lloyd | 40 |
| 1985 | The New Alfred Hitchcock PresentsSeries | David Powell | 38 |
| 1983 | The A-TeamSeries | 'Howling Mad' Murdock | 36 |
| 1983 | When Your Lover LeavesMovie | Richard Reese | 36 |
| 1982 | Alone in the DarkMovie | Dan Potter | 35 |
| 1981 | Hill Street BluesSeries | — | 34 |
| 1981 | Dial M for MurderMovie | TV Director | 34 |
| 1981 | Bitter HarvestMovie | Schlatter | 34 |
| 1981 | NurseSeries | Dr. Kevin Michaels | 34 |
| 1977 | CHiPsSeries | — | 30 |