(1990) Gremlins 2: The New Batch

as Employee Fired for Smoking

(1980) The Blues Brothers

as Head Nazi

(1975) Nashville

as Haven Hamilton

(1973) The Long Goodbye

as Dr. Verringer

(1996) Mother Night

as Adolf Eichmann (voice)

(1995) Cyber Bandits

as Dr. Knutsen

(1965) The Outlaws Is Coming

as Charlie Horse

(1979) Disco Beaver from Outer Space

as Self

(1992) Tom and Jerry: The Movie

as Doctor Applecheek (voice)

(1989) The 'Burbs

as Dr. Werner Klopek

(1972) Evil Roy Slade

as Clifford

(2005) Wedding Crashers

as Father O'Neil

(1981) The Incredible Shrinking Woman

as Dr. Eugene Nortz

(1988) Switching Channels

as Ike Roscoe

(2007) Big Stan

as Shorts

(2006) Trapped Ashes

as Tour Guide

(1973) Charlotte's Web

as Wilbur (voice)

(1995) Daisy-Head Mayzie

as Cat in the Hat (voice)

(2001) The Luck of the Irish

as Reilly O'Reilly

(1999) Magnolia

as Thurston Howell

(1985) The Pound Puppies

as Nabbit (voice)

(1986) Monster in the Closet

as Dr. Philip Pennyworth

(1964) Kiss Me, Stupid

as Smith

(1977) Halloween Is Grinch Night

as Max (voice)

(1980) HealtH

as Bobby Hammer

(1977) The Last Remake of Beau Geste

as General Pecheur

(1987) Long Gone

as Hale Buchman

(1989) Night Visitor

as Jake

(1979) Amateur Night at the Dixie Bar and Grill

as Milt Cavanaugh

(1979) A Perfect Couple

as Fred Bott

(1996) Color of a Brisk and Leaping Day

as Albert Robinson

(1981) Nashville Grab

as Art Schmeckle

(1979) The Halloween That Almost Wasn't

as Igor

(2002) Teddy Bears' Picnic

as Clifford Sloane

(2007) To My Great Chagrin: The Unbelievable Story of Brother Theodore

as Himself

(1995) Escape to Witch Mountain

as Ravetch

(2000) Mullitt

as Bucky

(1986) The Wuzzles: Bulls of a Feather

as Eleroo (voice)

(1980) For the Love of It

as George

(1968) Chitty Chitty Bang Bang

as Dancer (uncredited)

(1973) The Mini-Munsters

as ---

(1987) Innerspace

as Mr. Wormwood

(1997) Asylum

as Dr. Edward Bellichek

(1990) Return to Green Acres

as E. Mitchell Armstrong

(1977) The Night They Took Miss Beautiful

as Rolly Royce

(2002) The Year That Trembled

as Ralph Tyler

(1994) The Bears Who Saved Christmas: Christopher & Holly

as Flashy (voice)

(1975) Violence in Blue

as ---

(2007) Eloise Goes to School

as ---

(1981) Tulips

as Maurice Avocado

(1977) The Kentucky Fried Movie

as Himself (segment "United Appeal for the Dead")

(1983) National Lampoon's Vacation

as Hotel clerk (uncredited)

(1986) The Blinkins: The Bear and the Blizzard

as Announcer

(1986) Slow Burn

as Robert

(1963) The Nutty Professor

as Gibson, College Student

(1990) The Magic Balloon

as ---

(2007) Billy & Mandy: Wrath of the Spider Queen

as Lord Pain (voice)

(1999) The Wacky Adventures of Ronald McDonald: The Visitors from Outer Space

as Blue Planet (voice)

(1994) Vault of Horror I

as Stanhope

(1984) High School U.S.A.

as Vice Principal Roman Ing

(1998) The Stories Behind the Making of 'The Blues Brothers'

as Self

(1977) Escape from Bogen County

as Abe Rand

(2004) Never Die Alone

as Funeral Home Director (uncredited)

(1996) Bio-Dome

as William Leaky

(1990) Timeless Tales: The Emperor's New Clothes

as Sir Buffoon

(2003) The Commission

as Police Chief Jesse Curry

(1972) Every Man Needs One

as Walt

(1990) Tune in Tomorrow...

as Big John Coot

(1984) Murder, She Wrote

as Harold Banner

(1980) Magnum, P.I.

as ---

(2003) All Grown Up!

as ---

(1996) Hey Arnold!

as ---

(1958) 77 Sunset Strip

as ---

(1979) Trapper John, M.D.

as ---

(1965) F Troop

as ---

(2001) The Guardian

as ---

(1999) Providence

as Mr. Berry

(1985) Wuzzles

as Eleroo (voice)

(1981) Simon & Simon

as ---

(1996) Early Edition

as ---

(1985) The Twilight Zone

as ---

(1997) King of the Hill

as Bob Jenkins (voice)

(1962) The Beverly Hillbillies

as Quirt Manly

(1982) Knight Rider

as Donald Crane

(1989) Tales from the Crypt

as Stanhope

(1976) Quincy, M.E.

as ---

(1998) The Wild Thornberrys

as Rhino (voice)

(2000) Malcolm in the Middle

as Frank Ralston

(2004) The Batman

as Bagley (voice)

(1962) The Merv Griffin Show

as Self

(1985) MacGyver

as Pinky Burnette

(1982) Newhart

as ---

(1964) Bewitched

as ---

(1975) Wonder Woman

as Mariposa

(1983) The Biskitts

as Downer

(1997) Stargate SG-1

as Marul

(1965) Mister Roberts

as ---

(1999) Total Recall 2070

as ---

(1986) Galaxy High School

as ---

(1984) Cover Up

as ---

(1981) The Fall Guy

as ---

(1965) Laredo

as ---

(2004) Boston Legal

as Judge Clark Brown

(1974) Police Woman

as ---

(2004) Cracking Up

as ---

(1967) Rowan & Martin's Laugh-In

as Regular Performer

(1969) The Glen Campbell Goodtime Hour

as Self

(1970) McCloud

as ---

(1975) Barbary Coast

as ---

(1979) Sweepstakes

as ---

(2001) The Grim Adventures of Billy and Mandy

as Lord Pain

(1992) Mad About You

as Henry Gibson

(1984) Murder, She Wrote

as Oliver Thissle

(1996) Sabrina, the Teenage Witch

as Judge Samuels

(1996) Sabrina, the Teenage Witch

as Witch Judge

(1977) The Love Boat

as Harry

(1991) Rugrats

as ---

(1995) Santo Bugito

as Mothmeyer (voice)

(1989) Around the World in 80 Days

as Train Conductor

(1961) The Mike Douglas Show

as Self

(2001) The Grim Adventures of Billy and Mandy

as Lord Pain (voice)

(1969) Love, American Style

as Lennie Granger

(1962) The Tonight Show Starring Johnny Carson

as Self

(1993) The John Larroquette Show

as Priest

(1969) Love, American Style

as ---

(2006) Me, Eloise

as Mr. Numblitz (voice)

(1997) King of the Hill

as Bob Jenkins / Travis (voice)

(1998) Charmed

as Sandman

(2002) She Spies

as Dr. Meelbow

(1989) Coach

as Ted Tilly

(1975) Wonder Woman

as Nikolas

(1991) Eerie, Indiana

as ---

(1978) Fantasy Island

as Fred Wade