2022
Who Done It: The Clue Documentary as Self (archive footage) (uncredited)2020
For Madmen Only: The Stories of Del Close as Himself2020
Life After The Navigator as Himself2019
Valerie as Self2016
Wild Oats as Vespucci2016
A Christmas in Vermont as Nick Harper2016
Silver Skies as Billy2015
Chicago Med as Clyde Glickman2015
Fresh Off the Boat as Mr. Royce2015
Thank You, Del: The Story of the Del Close Marathon as Self2012
Bigfoot as Mayor Tommy Gillis2011
Salvation Boulevard as Billy2010
Mike & Molly as Otis2009
Drop Dead Diva as Cole Lamburt2009
Halloween II as Uncle Meat2009
All About Steve as Mr. Horowitz2008
The Rocker as Gator2007
John from Cincinnati as Not available2007
Martian Child as Dr. Berg2006
Psych as Barry Saunder2006
Man About Town as Ben Giamoro2005
Crazy for Christmas as Fred Nickells2005
Rockin' at the Red Dog: The Dawn of Psychedelic Rock as narrator2004
House as Henry Errington2004
Boston Legal as Judge Robert Thompson2003
Celebrities Uncensored as Self2002
Boomtown as Mel Castle2002
About Schmidt as Larry Hertzel2002
The Mesmerist as Mr. Valdemar2001
Crossing Jordan as Barney Reynolds2001
The Sky is Falling as Yogi Cook2001
Thieves as Not available2001
Three Sisters as Jerry Keats2001
Teddy Bears' Picnic as Ted Frye2000
CSI: Crime Scene Investigation as Dr. Aden2000
Level 9 as Not available1999
Family Law as Howard Thomas / Randall1998
That '70s Show as Max1998
Two Guys and a Girl as Mr. Bergen1997
The Practice as Judge C. Williams1997
High Stakes as Wayne Dreyer1997
Gridlock'd as Blind Man1997
On the 2nd Day of Christmas as David1996
The Pretender as Landlord1996
Innocent Victims as Smithline1995
The Outer Limits as Dr. Emory Taylor1995
Out-of-Sync as Det. Caldwell1994
ER as Dr. James Broderick1994
Touched by an Angel as Flynn Hodge1994
Burke's Law as Chuck Mason1994
Munchie Strikes Back as Munchie (voice)1993
Lethal Exposure as Taylor Cochran1993
Little Miss Millions as Nick Frost1992
Quiet Killer as Congressman Calvin Phillips1992
Rubin & Ed as Ed Tuttle1992
Hot Chocolate as Mr. Cassidy1991
The New WKRP in Cincinnati as Not available1991
Murder in New Hampshire: The Pamela Wojas Smart Story as Paul Maggioto1990
Call Me Anna as John Ross1988
The Diamond Trap as Det. Rollings1987
Amazon Women on the Moon as Rupert King (segment "Titan Man")1987
Inside Out as Jack1987
Six Against the Rock as Joseph 'Dutch' Cretzer1986
Head of the Class as Charlie Moore1986
Heat as Pinchus Zion1986
Flight of the Navigator as Dr. Louis Faraday1986
The Princess Who Had Never Laughed as King1986
My Chauffeur as McBride1985
The Ray Bradbury Theater as Not available1985
Clue as The Chief (uncredited)1985
George Burns Comedy Week as Andy Pace1985
Police Academy 2: Their First Assignment as Pete Lassard1984
Murder, She Wrote as Sheldon Greenberg1984
This Is Spinal Tap as Terry Ladd1984
Best Kept Secrets as Jim Osborne1984
Silence of the Heart as Carl Lewis1984
Mister Roberts as Doc1983
Focus on Fishko as Sy1983
Doctor Detroit as Smooth Walker1983
Likely Stories, Vol. 4 as Not available1983
Motown 25: Yesterday, Today, Forever as Self1982
Faerie Tale Theatre as King1982
One Shoe Makes it Murder as Joe Hervey1982
Victims as Charles Galloway1981
Private Lessons as Lester1981
Tarantulas: The Deadly Cargo as Fred1981
Honky Tonk Freeway as Snapper1980
The Fantastic Funnies as Dr. Johnny Fever1980
Skyward as Koup Trenton1980
Gridlock as Señor Smooth (voice)1980
John Ritter: Being of Sound Mind and Body as Self / The Rock Doctor1979
The Jerk as Carnival Worker (uncredited)1979
Americathon as Kip Margolis1979
You Can't Take it With You as Wilbur C. Henderson1978
WKRP in Cincinnati as Dr. Johnny Fever1978
The Ghost of Flight 401 as Bert Stockwell1978
Outside Chance as David1978
The Comedy Company as Roger Dustleman1978
More Than Friends as Avery Salminella1978
Loose Shoes as Ernie Piles, War Correspondent1977
Soap as Mr. Franklin1977
The Other Side of Midnight as O'Brien1977
Tail Gunner Joe as Lt. Ted Cantwell1977
The Amazing Howard Hughes as Jenks1976
Quincy, M.E. as D.A. Jerry Douglas1976
Laverne & Shirley as Not available1976
Jackson County Jail as David1976
Tunnel Vision as Senator McMannus1976
Battle of the Network Stars as Not available1976
The Big Bus as Jack1976
Silent Movie as Executive1975
Saturday Night Live as Self - Host1975
One Day at a Time as Sam Royer1975
Switch as M.W.1975
The Blue Knight as Resident1975
Hustling as Detective1975
Whiffs as Dr. Gopian1975
The Sunshine Boys as Mr. Walsh, Commerical Director1975
Shampoo as Red Dog1975
Prisoners as Not available1974
The Rockford Files as Al Steever1974
Harry O as Senator Lawler1974
Rhoda as Not available1973
The Blue Knight as Not available1973
Jory as Santa Rosa bartender1973
Kid Blue as Confectionary Man (as Howard Hessman)1973
Steelyard Blues as Frank Veldini1972
Sanford and Son as Not available1972
The Bob Newhart Show as Not available1972
The Bob Newhart Show as Craig Plager1972
The Bob Newhart Show as Augie (voice) (uncredited)1971
The Christian Licorice Store as Last Party Guest1971
Cisco Pike as Recording Engineer1971
Billy Jack as Drama Teacher1969
A Session with the Committee as (as Don Sturdy)1969
Some Kind of a Nut as Bartender1968
Petulia as Hippie (uncredited)1967
Mannix as Ray Bennett1967
The Smothers Brothers Comedy Hour as Various1960
The Andy Griffith Show as Counter Boy1960
The Andy Griffith Show as Harry