Acting

2020

as Self

2013

as Self (archive footage)

2008

as Poovey

2006

as Father Time

2004

as Old Man Wickles

2002		Master Spy: The Robert Hanssen Story as Howard Hanssen
2002		The Santa Clause 2 as Father Time (uncredited)
2002		The Adventures of Pluto Nash as Rowland

2001

as Buck Grotowski

1999

as Self

1998		Doctor Dolittle as Calloway
1998		Species II as Dr. Herman Cromwell

1997		A Deadly Vision as Det. Salvatore DaVinci
1997		That Darn Cat as Pa

1996		Milk & Money as Belted Galloway
1996		Sweet Evil as Jay Glass
1996		In the Lake of the Woods as Tony Carbo
1996		Making Frankensense of Young Frankenstein as Frankenstein's Monster (archive footage)

1995		While You Were Sleeping as Ox Callaghan
1995		Born to Be Wild as Gus Charnley
1995		The Surgeon as Lt. McEllwaine

1994		The Santa Clause as Mr. Whittle
1994		Killer as George
1994		Royce as Huggins
1994		The Shadow as Moe Shrevnitz

1993

as Judge

1992		Malcolm X as Captain Green
1992		In the Line of Duty: Street War as Det. Dan Reilly
1992		Honeymoon in Vegas as Chief Orman
1992		Death and the Compass as Lonnrot
1992		Nervous Ticks as Ron Rudman

1991		Robert Mitchum: The Reluctant Star as Self (archive footage)
1991		Kickboxer 2: The Road Back as Justin Maciah
1991		Men Of Respect as Matt Duffy
1991		Frankenstein: A Cinematic Scrapbook as The Monster (archive footage)

1990		The Tragedy of Flight 103: The Inside Story as Fred Ford
1990		Solar Crisis as Arnold Teague
1990		Poochinski as Stanley Poochinski
1990		Challenger as Roger Boisjoly
1990		27 Wagons Full of Cotton as Jake

1989		Guts and Glory: The Rise and Fall of Oliver North as Adm. John Poindexter
1989		Speed Zone as Chief Edsel
1989		The Dream Team as Jack McDermott

1988		Disaster at Silo 7 as Gen. Sanger
1988		Red Heat as Lou Donnelly
1988		Funny as Self
1988		Superman's 50th Anniversary: A Celebration of the Man of Steel as Jimmy Malone
1988		The In Crowd as "Uncle Pete" Boyle

1987		Walker as Cornelius Vanderbilt
1987		Echoes in the Darkness as Sgt. Joe Van Nort
1987		Surrender as Jay
1987		Conspiracy: The Trial of the Chicago 8 as David Dellinger

1985

as Det. Ryan

1984

as Jocko Dundee

1983		Yellowbeard as Moon
1983		Group Madness as Self

1982

as Jimmy Ryan

1981

as Mark Sheppard

1980		In God We Tru$t as Dr. Sebastian Melmoth
1980		Where the Buffalo Roam as Carl Lazlo, Esq.

1979		Beyond the Poseidon Adventure as Frank Mazzetti
1979		Hardcore as Andy Mast

1978		The Brink's Job as Joe McGinnis
1978		F.I.S.T. as Max Graham

1977

as Joseph McCarthy

1976		Swashbuckler as Lord Durant
1976		Taxi Driver as Wizard

1974		Young Frankenstein as Frankenstein's Monster
1974		Crazy Joe as Joe

1973		The Man Who Could Talk to Kids as Charlie Datweiler
1973		The Friends of Eddie Coyle as Dillon
1973		Slither as Barry Fenaka
1973		Kid Blue as Preacher Bob
1973		Steelyard Blues as Eagle Thornberry
1973		Ghost in the Noonday Sun as Ras Mohammed

1972		FTA as Self
1972		The Candidate as Marvin Lucas

1971

as Jack Mitchell

1970		Diary of a Mad Housewife as Man in Group Therapy Session
1970		Joe as Joe Curran

1969		The Monitors as Production Manager
1969		Medium Cool as Gun Clinic Manager