Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | CSI: Crime Scene Investigation | Dr. Gilbert "Gil" Grissom | |
| Actor | CSI: Vegas | Gil Grissom | |
| Actor | Kopma | 2011 | Mr. Sarge Kepler |
| Actor | 12 Angry Men | 1997 | Juror 12 |
| Actor | Manhattan | Colonel Emmett Darrow | |
| Actor | Korku | 1996 | Steve Walker |
| Actor | İlk ve Son Aşkım | 2012 | Trucker |
| Actor | CSI: Immortality | 2015 | Gil Grissom |
| Actor | Manhunter | 1986 | Will Graham |
| Actor | CSI: Crime Scene Investigation: Grave Danger | 2005 | Gil Grissom |
| Actor | The Skulls | 2000 | Ames Levritt |
| Actor | Hırsız | 1981 | Katz & Jammer Bartender |
| Actor | Genç Silahşörler 2 | 1990 | Patrick Floyd 'Pat' Garrett |
| Actor | L.A 'da Yaşamak ve Ölmek | 1985 | Richard Chance |
| Actor | Kurtlar Şehri | 1996 | Jack Flynn |
| Actor | Return to Lonesome Dove | ||
| Actor | The Contender | 2000 | Jack Hathaway |
| Actor | Cousins | 1989 | Tom Hardy |
| Actor | The Beast (1996) | Whip Dalton | |
| Actor | The Rat Pack | 1998 | John F. Kennedy |
| Actor | Haven | 2001 | Jackson Connolly |
| Actor | Amazing Grace and Chuck | 1987 | Russell (as William L. Petersen) |