Movies:
* Marathon Man (1976): A suspense thriller starring Dustin Hoffman and Laurence Olivier.
* The China Syndrome (1979): A critically acclaimed drama about nuclear power.
* The Natural (1984): A classic baseball film alongside Robert Redford.
* Spacehunter: Adventures in the Forbidden Zone (1983): A sci-fi adventure film.
* The Presidio (1988): A military drama starring Sean Connery and Mark Harmon.
* The Specialist (1994): An action thriller with Sylvester Stallone and Sharon Stone.
* The Long Kiss Goodnight (1996): An action film starring Geena Davis and Samuel L. Jackson.
Television:
* The O.C. (2003-2007): Played the role of Caleb Nichol, a wealthy businessman and patriarch of the Nichol family.
* 24 (2001-2010): Played the role of James Heller, father of Jack Bauer, in numerous episodes.
* The Division (2001-2004): Led the cast as Captain Frank Reagan.
* Knots Landing (1980-1993): Recurring role as Greg Sumner.
* The Guiding Light (1977-1979): Played the role of Doug Williams.
* The Bold and the Beautiful (2012-2013): Recurring role as Douglas Forrester.
This is just a small selection of his many film and television projects. He has appeared in numerous other films, television shows, and miniseries throughout his career.
It's easy to confuse actors with similar names! If you were thinking of another actor, please provide more information, and I'll gladly help you find the projects you're looking for.