Acting

2012

as R.L. Dutton

2011

as Ed

2010

as Mr. Perryfield

2009

as Grandpa Ventura

2008

as Chick

2007

as Jacob Brawley

2004

as Casey Lyle

2003		Blessings as Sheriff
2003		Timequest as The Traveler

2002

as Furman Temple

2001

as Jacob Hardesty

2000

as President Mathews

1997

as John Walton

1996

as Shadow (voice)

1995		A Walton Wedding as John Walton
1995		A Season of Hope as Sam Hackett

1994		Sioux City as Drew McDermott
1994		Sin and Redemption as Cal Simms
1994		Keys as Dr. C.J. Halligan

1993		A Walton Thanksgiving Reunion as John Walton
1993		Cliffhanger as Frank

1992

as Herb Farmer

1991

as Aldo Leopold (voice)

1990		Crash and Burn as Lathan Hooks
1990		Sparks: The Price of Passion as Orville Lemon

1989

1988

as Narrator (voice)

1985

as Frank Hayward

1984

as Tommy O'Bannon

1982		A Day for Thanks on Waltons Mountain as John Walton
1982		Mother's Day on Waltons Mountain as John Walton
1982		A Wedding on Waltons Mountain as John Walton

1981

as Father Bernard Pagano

1980		Angel City as Jared Teeter
1980		On the Nickel as C.G.
1980		OHMS as Floyd Wing

1977

as Henry Stone

1976

as John Chapman

1973		The Stone Killer as Mathews
1973		Kid Blue as Drummer

1972		Trouble Man as Pete Cockrell
1972		The Magnificent Seven Ride! as Jim Mackay
1972		Hot Summer Week as John
1972		Chato's Land as Elias Hooker

1971		The Grissom Gang as Mace
1971		Lawman as Jack Dekker
1971		The Sporting Club as Olson
1971		The Pursuit of Happiness as Detective Cromie

1970

as Carl Fidelio Dupea

1969

as Peter's father (uncredited)

1968

as Sean Magruder

1967		The Desperate Hours as Lt. Fredericks
1967		Cool Hand Luke as Alibi
1967		The Borgia Stick as Man from Toledo

Production

1984

… Executive Producer

1980

… Producer

Writing

1980

… Writer

Directing

1980

… Director