Filmography51 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2021 | HacksSeries | Frank Vance | 74 |
| 2018 | Jugendliebe Teil 1, wem Gott schenkt ein Häschen...Movie | — | 71 |
| 2018 | Operation FinaleMovie | Lothar Hermann | 71 |
| 2014 | Sugar DaddiesMovie | Grant Zager | 67 |
| 2009 | Kleine FischeMovie | Father Tesarek (as Peter Strauß) | 62 |
| 2007 | Dirty Sexy MoneySeries | — | 60 |
| 2005 | Grey's AnatomySeries | Daniel Schwartz | 58 |
| 2005 | xXx: State of the UnionMovie | President James Sandford | 58 |
| 2004 | HotelMovie | Mr. Kross | 57 |
| 2003 | Toying with the Truth: Commandments 9-10Movie | Moses(voice) | 56 |
| 2003 | The Not So Golden Calf: Commandments 1-2Movie | Moses(voice) | 56 |
| 2003 | The Rest is Yet to Come: Commandments 3-4Movie | Moses(voice) | 56 |
| 2001 | Murder on the Orient ExpressMovie | Samuel Ratchett | 54 |
| 2001 | Strange FrequencySeries | Ben Stanton | 54 |
| 2000 | A Father's ChoiceMovie | Charlie 'Mac' McClain | 53 |
| 1999 | Law & Order: Special Victims UnitSeries | Kevin Burton | 52 |
| 1999 | Joan of ArcSeries | La Hire | 52 |
| 1997 | Keys to TulsaMovie | Chip Carlson | 50 |
| 1996 | The Rosie O'Donnell ShowSeries | Self | 49 |
| 1996 | The Real Adventures of Jonny QuestSeries | Lab Guard (voice) | 49 |
| 1996 | In the Lake of the WoodsMovie | John Waylan | 49 |
| 1995 | Nick of TimeMovie | Brendan Grant | 48 |
| 1994 | DuckmanSeries | Narrator (voice) | 47 |
| 1992 | Batman: The Animated SeriesSeries | Dr. Steven Carlyle (voice) | 45 |
| 1992 | Trial: The Price of PassionMovie | Warren Blackburn | 45 |
| 1990 | Law & OrderSeries | Dr. Paul Cedars | 43 |
| 1990 | 83 Hours 'Til DawnMovie | Wayne Stracton | 43 |
| 1986 | Under SiegeMovie | John Garry | 39 |
| 1986 | The Penalty PhaseMovie | Kenneth Hoffman | 39 |
| 1985 | Kane & AbelSeries | Abel Rosnovski | 38 |
| 1983 | Spacehunter: Adventures in the Forbidden ZoneMovie | Wolff | 36 |
| 1982 | The Secret of NIMHMovie | Justin (voice) | 35 |
| 1981 | MasadaSeries | Eleazar ben Yair | 34 |
| 1980 | The Jericho MileMovie | Larry "Rain" Murphy | 33 |
| 1978 | Mickey's 50Movie | Self | 31 |
| 1976 | The Last TycoonMovie | Wylie | 29 |
| 1976 | Rich Man, Poor ManSeries | Rudy Jordache | 29 |
| 1976 | Rich Man, Poor Man - Book IISeries | Rudy Jordache | 29 |
| 1975 | Attack on Terror: The FBI vs. the Ku Klux KlanMovie | Ben Jacobs | 28 |
| 1975 | Attack on Terror: The FBI vs. the Ku Klux KlanSeries | Ben Jacobs | 28 |
| 1974 | Dinah!Series | Self | 27 |
| 1973 | The Man Without a CountryMovie | Arthur Danforth | 26 |
| 1972 | The Streets of San FranciscoSeries | — | 25 |
| 1971 | CannonSeries | — | 24 |
| 1970 | The Mary Tyler Moore ShowSeries | Stephen Linder | 23 |
| 1970 | Soldier BlueMovie | Honus Gent | 23 |
| 1969 | Medical CenterSeries | — | 22 |
| 1968 | Hawaii Five-OSeries | Tom Morgan | 21 |
| 1962 | The Tonight Show Starring Johnny CarsonSeries | Self | 15 |
| 1961 | The Mike Douglas ShowSeries | Self | 14 |
| 0 | PellettMovie | John McKeon | — |