(1990) Gremlins 2: The New Batch

as Janitor

(1994) The Silence of the Hams

as The Ranger

(1996) The Frighteners

as The Judge

(1958) The Kiss

as Male Necker

(1963) Move Over, Darling

as Clyde Prokey

(1972) Evil Roy Slade

as Evil Roy Slade

(1989) Night Life

as Verlin Flanders

(1962) That Touch of Mink

as Mr. Everett Beasley

(1991) Halloween Monster Bash

as ---

(2005) School of Life

as Norman Warner

(1967) The Spirit Is Willing

as Dr. Frieden

(1991) Killer Tomatoes Strike Back!

as Jeronahew/Prof. Gangreen

(1992) Killer Tomatoes Eat France!

as Prof. Mortimer Gangreen

(1988) Return of the Killer Tomatoes!

as Prof. Gangreen

(1987) Teen Wolf Too

as Dean Dunn

(1976) Freaky Friday

as Bill Andrews

(1968) Candy

as T.M. Christian / Jack Christian

(1969) Viva Max!

as Sergeant Valdez

(1986) Body Slam

as Scotty

(1961) West Side Story

as Glad Hand (uncredited)

(1972) Get to Know Your Rabbit

as Mr. Turnbull

(1972) Every Little Crook and Nanny

as Vito Garbugli

(1973) Brothers O'Toole

as Michael O'Toole

(1994) Huck and the King of Hearts

as Zach

(1972) Wacky Taxi

as Pepper

(1971) Two on a Bench

as Dr. Stanley Remington

(1974) Only with Married Men

as Dr. Harvey Osterman

(1968) Prelude

as ---

(1994) Runaway Daughters

as Fred

(1986) Mystery Magical Special

as John Astin

(1962) Period of Adjustment

as Smoky Anderson (uncredited)

(1998) The Making of 'The Frighteners'

as Himself

(1985) National Lampoon's European Vacation

as Kent

(1995) Harrison Bergeron

as Golf Announcer

(1960) The Pusher

as Detective

(1977) Halloween with the New Addams Family

as Gomez Addams

(1986) Mr. Boogedy

as Widow Marian

(1974) The Horror Hall of Fame: A Monster Salute

as Self

(1971) Bunny O'Hare

as Ad O'Hare

(1975) The Dream Makers

as Manny Wheeler

(1974) Skyway to Death

as Andrew Tustin

(2005) Betaville

as President Sender

(1974) Hard Day at Blue Nose

as Greenburg

(1963) The Wheeler Dealers

as Hector Vanson

(1989) The Saint: The Blue Dulac

as George Lafosse

(1962) Billy Rose's Jumbo

as Pilot

(1987) Harry Anderson's Sideshow

as Self

(1993) Stepmonster

as Minister

(1972) Scooby-Doo Meets The Addams Family

as Gomez Addams (Voice)

(1993) The Adventures of Brisco County, Jr. Pilot

as Prof. Albert Wickwire

(1982) St. Elsewhere

as ---

(1984) Murder, She Wrote

as Harry Pierce

(1975) Welcome Back, Kotter

as ---

(1994) Duckman

as ---

(1992) Mad About You

as John Astin

(1984) Night Court

as Kenny

(1984) Charles in Charge

as Uncle Joe

(1993) The Adventures of Brisco County, Jr.

as Prof. Albert Wickwire

(1972) The New Scooby-Doo Movies

as Gomez Addams (voice)

(1985) Otherworld

as ---

(1979) The Facts of Life

as ---

(1970) The Odd Couple

as Beau Biffingham

(1995) Pinky and the Brain

as ---

(1966) Batman

as The Riddler

(1981) Simon & Simon

as ---

(1967) The Flying Nun

as ---

(2000) As Told by Ginger

as ---

(1989) Tales from the Crypt

as Nelson Halliwell

(1998) The Wild Thornberrys

as The Great Bangaboo (voice)

(1978) Diff'rent Strokes

as ---

(1984) Riptide

as Baxter Bernard

(1991) Eerie, Indiana

as Radford

(1955) Gunsmoke

as Hard-Luck Henry Haggen

(1970) Night Gallery

as Munsch

(1998) Becker

as Richard Wilson

(1959) The Twilight Zone

as Charlie

(1998) The Hughleys

as ---

(1987) The Charmings

as ---

(1961) 87th Precinct

as ---

(1960) Outlaws

as ---

(1965) The Wild Wild West

as ---

(1959) Dennis the Menace

as ---

(1972) Temperatures Rising

as Russo

(1990) Attack of the Killer Tomatoes

as ---

(1973) Police Story

as ---

(1991) Taz-Mania

as Bull Gator (voice)

(1995) The Twisted Tales of Felix the Cat

as ---

(1966) Hey Landlord!

as ---

(1985) Mary

as Ed LaSalle

(1961) Hazel

as ---

(1958) The Donna Reed Show

as ---

(1992) The Addams Family

as Gomez Addams (voice)

(1990) They Came from Outer Space

as Neville Nessen

(1966) Occasional Wife

as ---

(1970) Night Gallery

as Jonathan (segment "Pamela's Voice")

(1961) Ben Casey

as ---

(1964) The Addams Family

as Gomez Addams

(1966) CBS Playhouse

as ---

(1962) I'm Dickens, He's Fenster

as ---

(1961) The Asphalt Jungle

as ---

(1975) The Bob Crane Show

as ---

(1972) Ghost Story

as Fred Colby

(1960) Route 66

as Gas Attendant

(1967) He & She

as Dr. Melvin Krillman

(1984) Murder, She Wrote

as Fritz Randall

(2000) As Told by Ginger

as Dave Bishop (voice)

(1971) McMillan & Wife

as Sykes

(1960) Insight

as Harry

(1966) The Pruitts of Southampton

as Rudy Pruitt

(1984) Night Court

as Buddy Ryan

(1957) Maverick

as Joe Lambert

(1993) Problem Child

as Additional Voices (voice)

(1960) Checkmate

as Jim Poole

(1960) Route 66

as Benson

(1958) 77 Sunset Strip

as Martin Grosch

(1997) Recess

as Supt. Skinner (voice)

(1994) Burke's Law

as Alexander the Great

(1977) The Love Boat

as David Crothers

(1963) The Greatest Show on Earth

as Bartley

(1968) The Doris Day Show

as Jim Keatley

(1977) Operation Petticoat

as Lt. Commander Matthew Sherman

(1969) Love, American Style

as Alfred

(2016) Justice League Action

as Uncle Dudley (voice)

(1963) The Danny Kaye Show

as Self

(1984) Murder, She Wrote

as Ross Hayley

(1961) The Mike Douglas Show

as Self

(1962) The Virginian

as Slick Driscoll

(1970) Night Gallery

as Randy Miller

(1960) Peter Loves Mary

as Joe