(1979) Star Trek: The Motion Picture

as Captain William Decker

(1976) All the President's Men

as Hugh Sloan

(2007) Because I Said So

as Joe

(2006) Blood Diamond

as Ambassador Walker

(1996) The First Wives Club

as Aaron Paradis

(1986) Jumpin' Jack Flash

as Marty Phillips

(1985) Brewster's Millions

as Warren Cox

(1999) Drive Me Crazy

as Mr. Maris

(1990) Stella

as Stephen Dallas

(1996) The Babysitter's Seduction

as Bill Bartrand

(1978) Fedora

as Young Barry

(1986) Choke Canyon

as Dr. David Lowell

(2008) Captain Eager and the Mark of Voth

as Dancing Alien

(2012) The Three Stooges

as Mr. Harter

(2008) Every Second Counts

as Joe Preston

(1979) The Promise

as Michael Hillyard

(1996) An Unexpected Family

as Sam

(1980) The Henderson Monster

as Pete Casimir

(1977) Between the Lines

as Michael

(1992) A Woman Scorned: The Betty Broderick Story

as Dan Broderick

(1980) Loving Couples

as Greg

(1996) For Love Alone: The Ivana Trump Story

as Adam Graham

(1981) Sherlock Holmes: The Strange Case of Alice Faulkner

as Larrabee

(1993) Remember

as Clee Donovan

(1992) My New Gun

as Gerald Bender

(1998) An Unexpected Life

as Sam Sadwich

(2008) Hole in the Paper Sky

as Mr. Benson

(1982) Inside the Third Reich

as Karl Hanke

(1996) On Seventh Avenue

as Tom Aiken

(1984) Dark Mirror

as Dr. Jim Eiseley

(1994) Her Final Fury: Betty Broderick, the Last Chapter

as Dan Broderick

(1995) A Family Divided

as Roger Billingsley

(1989) The Big Picture

as Attorney

(1984) Threesome

as Peter Hatten

(1988) Weekend War

as Capt. John Deason

(1981) Summer Solstice

as Josh

(2001) Jumping Ship

as Gardner

(1999) As Time Runs Out

as Dan Carlin

(1993) The Disappearance of Nora

as Jack Fremont

(1976) Brinks: The Great Robbery

as Agent Donald Nash

(2003) The Commission

as Joseph A. Ball

(1999) Batman Beyond

as Tony Maychek / Earthmover (voice)

(2003) The Ellen DeGeneres Show

as Self

(2004) The Tony Danza Show

as Self - Guest

(2005) The Office

as Walter Bernard, Sr.

(1997) The View

as Self

(2005) It's Always Sunny in Philadelphia

as Bruce Mathis

(1999) Law & Order: Special Victims Unit

as Pierson Bartlett

(1976) Charlie's Angels

as Steve Carmody

(1982) Tales of the Gold Monkey

as Jake Cutter

(2007) Private Practice

as Montgomery

(1996) 7th Heaven

as Eric Camden

(1972) The Waltons

as ---

(1976) Battle of the Network Stars

as ---

(1983) The Hitchhiker

as Todd Fields

(1990) Working It Out

as ---

(2004) On Air with Ryan Seacrest

as Self

(1976) Good Heavens

as ---

(1988) Tattingers

as ---

(1991) A Woman Named Jackie

as John Fitzgerald Kennedy

(1994) Scarlett

as ---

(2001) Good Day Live

as Self

(1977) The Rhinemann Exchange

as David Spaulding

(1974) The Michele Lee Show

as ---

(2010) No Ordinary Family

as Dr. Dayton King

(1987) The Two Mrs. Grenvilles

as Billy Grenville Jr.

(2006) Brothers and Sisters

as Charlie

(1986) Hold the Dream

as Shane O'Neill

(2012) Revolution

as Dr. Gene Porter

(1983) Chiefs

as Billy Lee

(2012) Scandal

as Reed Wallace

(2009) Celebrity Ghost Stories

as Self

(2013) Devious Maids

as Philippe Delatour

(1971) Great Performances

as Morton Fullerton