Filmography53 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2023 | Babylon 5: The Road HomeMovie | Londo Mollari (voice) | 73 |
| 2016 | Times Like DyingMovie | Bank Manager | 66 |
| 2015 | The Longest RideMovie | Howie Sanders | 65 |
| 2013 | 42Movie | Hotel Manager | 63 |
| 2013 | Mary and MarthaMovie | Pastor | 63 |
| 2012 | Arthur NewmanMovie | Bus Driver | 62 |
| 2010 | Two Hours in the DarkMovie | Dr. Stanley Imerman | 60 |
| 2003 | Runaway JuryMovie | Professor Phelan | 53 |
| 2003 | One Tree HillSeries | Carl | 53 |
| 2001 | Going to CaliforniaSeries | Dr. Standish | 51 |
| 2001 | Breathing HardMovie | Interviewer | 51 |
| 1998 | Dawson's CreekSeries | Walter Kubelik | 48 |
| 1998 | Babylon 5: In the BeginningMovie | Londo Mollari | 48 |
| 1998 | L.A. DoctorsSeries | Mr. Gorman | 48 |
| 1996 | 3rd Rock from the SunSeries | Principal Greschner | 46 |
| 1996 | The Real Adventures of Jonny QuestSeries | Alan Zegler (voice) / Williams (voice) | 46 |
| 1995 | SlidersSeries | Dr. Oberon Geiger | 45 |
| 1994 | Babylon 5Series | Londo Mollari | 44 |
| 1994 | Angel 4: UndercoverMovie | Kevin | 44 |
| 1994 | Huck and the King of HeartsMovie | Nick | 44 |
| 1993 | Love, Honor & Obey: The Last Mafia MarriageMovie | Father Rosetti | 43 |
| 1993 | Babylon 5: The GatheringMovie | Londo Mollari | 43 |
| 1992 | Jack's PlaceSeries | — | 42 |
| 1992 | Calendar Girl, Cop, Killer? The Bambi Bembenek StoryMovie | — | 42 |
| 1992 | A House of Secrets and LiesMovie | Steve | 42 |
| 1991 | Civil WarsSeries | Sherman Stipes | 41 |
| 1991 | Perry Mason: The Case of the Ruthless ReporterMovie | Gary Slate | 41 |
| 1990 | Problem ChildMovie | Roy | 40 |
| 1990 | Crash: The Mystery of Flight 1501Movie | Bob Stanton | 40 |
| 1989 | Night ClubMovie | Peter | 39 |
| 1988 | Dear JohnSeries | Brad | 38 |
| 1987 | Beverly Hills BuntzSeries | Sid Thurston | 37 |
| 1986 | MatlockSeries | Steve Fisher | 36 |
| 1986 | L.A. LawSeries | Yale Tobias | 36 |
| 1986 | Acceptable RisksMovie | Jack Morris | 36 |
| 1986 | LilyMovie | Wesley | 36 |
| 1985 | MacGyverSeries | Dr. Charles Alden | 35 |
| 1985 | Growing PainsSeries | Doug Stanton | 35 |
| 1985 | Scandal SheetMovie | Simon McKey | 35 |
| 1984 | Night CourtSeries | Leonard Brandon | 34 |
| 1983 | Scarecrow and Mrs. KingSeries | — | 33 |
| 1983 | Bay City BluesSeries | Mitch Klein | 33 |
| 1982 | Remington SteeleSeries | Jack Denver | 32 |
| 1982 | Remington SteeleSeries | Phil Haver | 32 |
| 1982 | Family TiesSeries | Max Brown | 32 |
| 1982 | In the Custody of StrangersMovie | Andy Barnes | 32 |
| 1982 | TronMovie | Crom | 32 |
| 1979 | ParisSeries | Brian Duff | 29 |
| 1978 | TaxiSeries | Tom Pelton | 28 |
| 1978 | Born AgainMovie | Henry Kissinger | 28 |
| 1975 | Barney MillerSeries | George Alsop | 25 |
| 1972 | M*A*S*HSeries | Triplett | 22 |
| 1971 | ColumboSeries | Simon Ward | 21 |