Acting

2014		Monster Madness: Mutants, Space Invaders, and Drive-Ins as Self
2014		Marlon Brando: An Actor Named Desire as Self - Actor (archive footage)

2013

as The Grand Inquisitor

2009

as The Monk

2008		Trail of the Screaming Forehead as Latecomer
2008		Love Don't Come Easy as Max
2008		The Boneyard Collection as The Monk (segment "Her Morbid Desires")

2007		Fallen Angels as Pastor Waltz
2007		Loving Annabelle as Father Harris

2005

as Himself

2004

as Self

2003

as Dr. Bennell

2002

as Self

1998

as Grandpa Addams

1997

as Chief of Staff

1995		Steal Big Steal Little as Reed Tyler
1995		The Sister-in-Law as George Richards
1995		Just Cause as Phil Prentiss

1994		Judicial Consent as Judge Pollan
1994		Marlon Brando: The Wild One as Self
1994		Roadracers as Miles
1994		Greedy as Bartlett

1993

as General Ankrum

1992		The Distinguished Gentleman as Terry Corrigan
1992		Duplicates as Dr. Congemi

1991		Final Approach as General Geller
1991		Dead on the Money as Waverly Blake
1991		Eve of Destruction as William Simmons (uncredited)

1990		Ghoulies III: Ghoulies Go to College as Professor Ragnar
1990		The Rose and the Jackal as Senator Henry Wilson
1990		The Sleeping Car as Vincent Tuttle
1990		Love or Money as William Reed

1989		UHF as R.J. Fletcher
1989		Fast Food as Judge Reinholte
1989		Passion and Paradise as Harold Christie
1989		The 'Burbs as Ray’s Boss (uncredited)

1988

as The Governor

1987		Dark Tower as Sergie
1987		Creepy Classics as Dr. Miles J. Bennell - (archive footage)
1987		Hostage as Col. Tim Shaw
1987		Innerspace as Victor Eugene Scrimshaw
1987		LBJ: The Early Years as Billy Bob

1986

as Jonathan Hire

1985		The Midnight Hour as Judge Crandall
1985		Deadly Intentions as Reichman
1985		Invasion of the Body Snatchers... An Interview with Kevin McCarthy

1984		The Ratings Game as Wes Vandergelder
1984		Invitation to Hell as Mr. Thompson

1983		Making of a Male Model as Ward Hawley
1983		Twilight Zone: The Movie as Uncle Walt
1983		My Tutor as Mr. Chrystal
1983		Montgomery Clift as Self

1982

as Dr. Jones

1981

as Fred Francis

1980		Portrait of an Escort as Dr. Ken Paige
1980		Those Lips, Those Eyes as Mickey Bellinger
1980		Flamingo Road as Claude Weldon
1980		Hero at Large as Calvin Donnelly

1978		Invasion of the Body Snatchers as Running Man
1978		Piranha as Dr. Robert Hoak

1977		Mary Jane Harper Cried Last Night as Tom Atherton
1977		Exo-Man as Dist. Atty. Kamenski

1976

as The Publicist (Maj. John Burke)

1975		Order to Kill as Ed McLean
1975		The Seagull as Trigorin

1974		Alien Thunder as Sgt. Malcolm Grant
1974		June Moon as Hart

1972		A Great American Tragedy as Mark Reynolds
1972		Kansas City Bomber as Burt Henry
1972		Richard as Washington Doctor
1972		Between Time and Timbuktu as Bokonon

1969

as Clifford Coswell

1968		If He Hollers, Let Him Go! as Leslie Whitlock
1968		Ace High as Drake
1968		The Hell with Heroes as Col. Wilson

1967		Ghostbreakers as Cameron Witherspoon
1967		Hotel as Curtis O'Keefe

1966		A Big Hand for the Little Lady as Otto Habershaw
1966		The Three Sisters as Vershinin

1965

as Sylvester Josephson

1964

as Dick Jensen

1963		The Prize as John Garrett
1963		An Affair of the Skin as Allen McCleod
1963		A Gathering of Eagles as Gen. 'Happy Jack' Kirby

1962

as Louie Blanchard

1961

as Raymond Taber

1958

as Harry Jordan

1956		Nightmare as Stan Grayson
1956		Invasion of the Body Snatchers as Dr. Miles J. Bennell

1955		An Annapolis Story as Jim Scott
1955		Stranger on Horseback as Tom Bannerman

1954		Satins and Spurs as Tony
1954		The Gambler from Natchez as Andre Rivage
1954		Drive a Crooked Road as Steve Norris

1952

as Rochester

1951

as Biff Loman