highest rated
acting
- Who Done It: The Clue Documentary → Self (archive footage) (uncredited)
- For Madmen Only: The Stories of Del Close → Self
- Life After The Navigator → Himself
- Valerie → Self
- Wild Oats → Vespucci
- A Christmas in Vermont → Nick Harper
- Silver Skies → Billy
- Chicago Med (TV) → Clyde Glickman
- Fresh Off the Boat (TV) → Mr. Royce
- Thank You, Del: The Story of the Del Close Marathon → Self
- Bigfoot → Mayor Tommy Gillis
- Salvation Boulevard → Billy
- Mike & Molly (TV) → Otis
- Lie to Me (TV) → Sam Hendricks
- Drop Dead Diva (TV) → Cole Lamburt
- Halloween II → Uncle Meat
- All About Steve → Mr. Horowitz
- The Rocker → Gator
- John from Cincinnati (TV)
- Martian Child → Dr. Berg
- Psych (TV) → Barry Saunder
- Man About Town → Ben Giamoro
- Crazy for Christmas → Fred Nickells
- Rockin' at the Red Dog: The Dawn of Psychedelic Rock → narrator
- House (TV) → Henry Errington
- Boston Legal (TV) → Judge Robert Thompson
- Celebrities Uncensored (TV) → Self
- Boomtown (TV) → Mel Castle
- About Schmidt → Larry Hertzel
- The Mesmerist → Mr. Valdemar
- Crossing Jordan (TV) → Barney Reynolds
- Three Sisters (TV) → Jerry Keats
- Thieves (TV)
- The Sky is Falling → Yogi Cook
- Teddy Bears' Picnic → Ted Frye
- CSI: Crime Scene Investigation (TV) → Dr. Aden
- Level 9 (TV)
- Family Law (TV) → Howard Thomas / Randall
- That '70s Show (TV) → Max
- Two Guys and a Girl (TV) → Mr. Bergen
- The Practice (TV) → Judge C. Williams
- Gridlock'd → Blind Man
- On the 2nd Day of Christmas → David
- High Stakes → Wayne Dreyer
- The Pretender (TV) → Landlord
- Innocent Victims → Smithline
- The Outer Limits (TV) → Dr. Emory Taylor
- Out-of-Sync → Det. Caldwell
- ER (TV) → Dr. James Broderick
- Touched by an Angel (TV) → Flynn Hodge
- Burke's Law (TV) → Chuck Mason
- Munchie Strikes Back → Munchie (voice)
- Little Miss Millions → Nick Frost
- Lethal Exposure → Taylor Cochran
- Hot Chocolate → Mr. Cassidy
- Quiet Killer → Congressman Calvin Phillips
- Rubin & Ed → Ed Tuttle
- The New WKRP in Cincinnati (TV)
- Murder in New Hampshire: The Pamela Wojas Smart Story → Paul Maggioto
- Call Me Anna → John Ross
- The Diamond Trap → Det. Rollings
- Amazon Women on the Moon → Rupert King (segment "Titan Man")
- Six Against the Rock → Joseph 'Dutch' Cretzer
- Inside Out → Jack
- Head of the Class (TV) → Charlie Moore
- Flight of the Navigator → Dr. Louis Faraday
- Heat → Pinchus Zion
- My Chauffeur → McBride
- The Princess Who Had Never Laughed → King
- The Ray Bradbury Theater (TV)
- Clue → The Chief (uncredited)
- Police Academy 2: Their First Assignment → Pete Lassard
- George Burns Comedy Week (TV) → Andy Pace
- Murder, She Wrote (TV) → Sheldon Greenberg
- This Is Spinal Tap → Terry Ladd
- Silence of the Heart → Carl Lewis
- Mister Roberts → Doc
- Best Kept Secrets → Jim Osborne
- Doctor Detroit → Smooth Walker
- Motown 25: Yesterday, Today, Forever → Self
- Likely Stories, Vol. 4
- Focus on Fishko → Sy
- Faerie Tale Theatre (TV) → King
- Victims → Charles Galloway
- One Shoe Makes it Murder → Joe Hervey
- Private Lessons → Lester
- Honky Tonk Freeway → Snapper
- Gridlock → Señor Smooth (voice)
- Skyward → Koup Trenton
- John Ritter: Being of Sound Mind and Body → Self / The Rock Doctor
- The Fantastic Funnies → Dr. Johnny Fever
- The Jerk → Carnival Worker (uncredited)
- Americathon → Kip Margolis
- You Can't Take it With You → Wilbur C. Henderson
- WKRP in Cincinnati (TV) → Dr. Johnny Fever
- The Ghost of Flight 401 → Bert Stockwell
- Loose Shoes → Ernie Piles, War Correspondent
- More Than Friends → Avery Salminella
- Outside Chance → David
- The Comedy Company → Roger Dustleman
- Soap (TV) → Mr. Franklin
- The Other Side of Midnight → O'Brien
- The Amazing Howard Hughes (TV) → Jenks
- The Amazing Howard Hughes → Jenks
- Tail Gunner Joe → Lt. Ted Cantwell
- Tarantulas: The Deadly Cargo → Fred
- Quincy, M.E. (TV) → D.A. Jerry Douglas
- Mary Hartman, Mary Hartman (TV) → Dr. Robert Williams
- Laverne & Shirley (TV)
- Battle of the Network Stars (TV)
- Delvecchio (TV) → Goldie
- Silent Movie → Executive
- The Big Bus → Jack
- Jackson County Jail → David
- Tunnel Vision → Senator McMannus
- Saturday Night Live (TV) → Self - Host
- Saturday Night Live (TV) → Self (uncredited)
- Baretta (TV) → Walker
- Switch (TV) → M.W.
- One Day at a Time (TV) → Sam Royer
- Shampoo → Red Dog
- Whiffs → Dr. Gopian
- The Sunshine Boys → Mr. Walsh, Commerical Director
- The Blue Knight → Resident
- Hustling → Detective
- Prisoners
- The Rockford Files (TV) → Al Steever
- Harry O (TV) → Senator Lawler
- Rhoda (TV)
- The Blue Knight (TV)
- Kid Blue → Confectionary Man (as Howard Hessman)
- Steelyard Blues → Frank Veldini
- The Blue Knight
- Jory → Santa Rosa bartender
- The Bob Newhart Show (TV)
- The Bob Newhart Show (TV) → Craig Plager
- The Bob Newhart Show (TV) → Augie (voice) (uncredited)
- Sanford and Son (TV)
- Billy Jack → Drama Teacher
- Cisco Pike → Recording Engineer
- The Christian Licorice Store → Last Party Guest
- Some Kind of a Nut → Bartender
- A Session with the Committee → (as Don Sturdy)
- Petulia → Hippie (uncredited)
- Mannix (TV) → Ray Bennett
- The Smothers Brothers Comedy Hour (TV) → Various
- The Andy Griffith Show (TV) → Counter Boy
- The Andy Griffith Show (TV) → Harry