John Vernon
- Delgo
2008 Judge Nohrin (voice)
- Batman: Mystery of the Batwoman
2003 Rupert Thorne (voice)
- Where Are They Now?: A Delta Alumni Update
2003 Vernon Wormer
- Warrior Angels
2002 Ansgar / Bladrick
- Sorority Boys
2002 Old Man
- Welcome to America
2002 Det. Golding
- The Grim Adventures of Billy and Mandy
2001 Dean Toadblatt
- Stageghost
2000 Slim
- Pigs Next Door
2000 Grand Porcinus (voice)
- The Strangerers
2000 D.N.E. Agent
- Baby Huey's Great Easter Adventure
1999 Principal Scotti
- Wojeck: Out of the Fire
1997 Dr Steve Wojeck
- The Incredible Hulk
1996 General Ross (voice)
- Mortal Kombat: Defenders of the Realm
1996 Shao Kahn (voice)
- Malicious
1995 Detective Pronzini
- Family of Cops
1995 Frank Rampola
- Marker
1995
- Pinky and the Brain
1995 Admiral (voice)
- Hostage for a Day
1994 V.D. Regan
- Paris or Somewhere
1994 Old Mahon
- The Forget-Me-Not Murders
1994 Boyce
- Sodbusters
1994 Slade Cantrell
- Duckman
1994 Principal Dinkler (voice)
- Spider-Man
1994 Doctor Strange (voice)
- Fantastic Four
1994 Dr. Doom (voice)
- Walker, Texas Ranger
1993 Clint Murdock / Max Slater
- Acapulco H.E.A.T.
1993 Mr. Smith
- SWAT Kats: The Radical Squadron
1993 Rex Shard (voice)
- The Naked Truth
1992 Von Bulo
- African Skies
1992
- Batman: The Animated Series
1992 Rupert Thorne (voice)
- Renegade
1992 Capt. Ed McKendrick
- The Woman Who Sinned
1991 Lieutenant Girvetz
- Rewrite for Murder
1991 Claude Dempsey
- Dark Justice
1991
- Dinosaurs
1991 Mr. Ashland (voice)
- Bail Out
1989 Mr. Ridgeway
- Afghanistan: The Last War Bus
1989 Ken Ross
- Mob Story
1989 Don "Luce" Luciano
- Hostile Takeover
1989 Mayor
- Tales from the Crypt
1989 Mr. Chalmers
- Doogie Howser, M.D.
1989 Hank Bellamy
- Killer Klowns from Outer Space
1988 Curtis Mooney
- I'm Gonna Git You Sucka
1988 Mr. Big
- Dixie Lanes
1988 Elmer Sinclair
- Deadly Stranger
1988 Mr. Mitchell
- Two Men
1988 Alex Kores
- War of the Worlds
1988 General Wilson
- Ernest Goes to Camp
1987 Sherman Krader
- Nightstick
1987 Adam Beardsly
- Terminal Exposure
1987 Mr. Karrothers
- Blue Monkey
1987 Roger Levering
- The New Adventures of Beans Baxter
1987 Number One
- Fuzzbucket
1986 Principal
- Rat Tales
1986 Bronc
- Sledge Hammer!
1986 Mayor Jack Flambo
- Wildfire
1986
- Fraternity Vacation
1985 Chief Ferret
- Doin' Time
1985 Big Mac
- The New Alfred Hitchcock Presents
1985 Mr. Brenner
- Hail to the Chief
1985 Gen. Hannibal Stryker
- MacGyver
1985 Dave Ryerson
- The Blood of Others
1984 Charles
- Savage Streets
1984 Principal Underwood
- Jungle Warriors
1984 Vito Mastranga
- Murder, She Wrote
1984 Henry Hayward
- Airwolf
1984 John Bradford Horn
- Curtains
1983 Jonathan Stryker
- Chained Heat
1983 Warden Bacman
- Little Red Riding Hood
1983 Father
- The A-Team
1983 Ted Jarrett
- Automan
1983
- Philip Marlowe, Private Eye
1983 Big John Masters
- Airplane II: The Sequel
1982 Dr. Stone
- T. J. Hooker
1982 Grant Chandler
- Knight Rider
1982 Cameron Zachary
- Faerie Tale Theatre
1982 Father
- The Blue and the Gray
1982 Seward
- The Kinky Coaches and the Pom Pom Pussycats
1981 Coach "Bulldog" Malone
- Heavy Metal
1981 Prosecutor (voice)
- The Fall Guy
1981
- Herbie Goes Bananas
1980 Prindle
- It Rained All Night the Day I Left
1980 Killian
- Fantastica
1980 Jim McPherson
- Hart to Hart
1979 Travis Saunders
- California Fever
1979
- Delta House
1979 Dean Vernon Wormer
- The Sacketts
1979 Jonathan Pritts
- Animal House
1978 Dean Vernon Wormer
- Vega$
1978
- A Special Day
1977 Emanuele Taberi
- Golden Rendezvous
1977 Luis Carreras
- The Uncanny
1977 Pomeroy (segment "Hollywood 1936")
- Mary Jane Harper Cried Last Night
1977 Dr. Orrin Helgerson
- Angela
1977 Benjamin Kincaid
- CHiPs
1977
- The Oregon Trail
1977
- The Outlaw Josey Wales
1976 Fletcher
- Drum
1976
- Quincy, M.E.
1976
- Here To Stay
1976
- For the Record
1976 I.G. Loring
- Brannigan
1975 Ben Larkin
- The Impostor
1975 Sheriff Turner
- Matt Helm
1975 Harry Paine
- The Swiss Family Robinson
1975 Charles Forsythe
- Switch
1975 Jack Morgan
- S.W.A.T.
1975
- Sweet Movie
1974 Aristote Alplanalpe, AKA M. Kapital
- The Questor Tapes
1974 Geoffrey Darro
- Mousey
1974 David Richardson
- The Black Windmill
1974 McKee
- W
1974 Arnie Felson
- Virginia Hill
1974 Nick Rubanos
- Petrocelli
1974 Barney Majors
- Charley Varrick
1973 Maynard Boyle
- Nightmare Step
1973 Allan
- The Six Million Dollar Man: The Solid Gold Kidnapping
1973 Julian Peck
- Hunter
1973 David Hunter / Praetorius
- Barnaby Jones
1973 Dr. Hank Danvers
- Fear Is the Key
1972 Vyland
- Journey
1972 Boulder Allin
- Kung Fu
1972 Gen. Cantrell
- Search
1972
- Cool Million
1972 Inspector Duprez
- Dirty Harry
1971 The Mayor
- Face-Off
1971 Fred Wares
- One More Train to Rob
1971 Timothy Xavier Nolan
- Escape
1971 Doctor Charles Walding
- Cannon
1971
- McMillan & Wife
1971
- Bearcats!
1971 Jason Ryker
- Mission: Impossible - The Falcon
1970 General Ramon Sabattini
- Topaz
1969 Rico Parra
- Justine
1969 Nessim
- Tell Them Willie Boy Is Here
1969 Hacker
- Trial Run
1969 Leo D'Agosta
- Hawaii Five-O
1969 Cal Anderson
- Point Blank
1967 Mal Reese
- Mannix
1967
- The High Chaparral
1967 Sean McLaren
- Judd, for the Defense
1967 Dr. Bellew
- Wojeck
1966 Steve Wojeck
- The Marvel Super Heroes
1966 Iron Man (Tony Stark) (voice)
- Mission: Impossible
1966 Colonel Josef Strom
- Felony Squad
1966
- Tarzan
1966
- The F.B.I.
1965 Mike Burton
- Nobody Waved Goodbye
1964 Lot Supervisor
- Bob Hope Presents the Chrysler Theatre
1963 Steve Wojeck
- Alexander Galt: The Stubborn Idealist
1962 Alexander Galt
- Festival
1960 Vershinin
- Tourist Go Home
1959
- Bonanza
1959 Beaudry
- Fires of Envy
1957
- Hawkeye and the Last of the Mohicans
1957 Varney
- 1984
1956 Big Brother (uncredited)
- Gunsmoke
1955 Oliver Harker
