highest rated
acting
- Superstar (TV) → Self (archive footage)
- Behind Closed Doors with Natalie Morales (TV) → Himself (archive footage)
- Stanley's Dinosaur Round-Up → Great Uncle Stew (voice)
- Mr. Thornton Goes to Hollywood → Self (archive footage)
- Clifford's Really Big Movie → Clifford the Big Red Dog (voice)
- Jimmy Kimmel Live! (TV) → Self
- Bad Santa → Bob Chipeska
- TV Land Awards: A Celebration of Classic TV (TV)
- Manhood → Eli
- ABC's 50th Anniversary Celebration → Self
- The Golden Girls: Lifetime Intimate Portrait Series → Narrator (voice)
- Time Machine: When Cowboys Were King → Self
- 8 Simple Rules (TV) → Paul Hennessy
- Breaking News (TV)
- Wednesday 9:30 (8:30 Central) (TV)
- Tadpole → Stanley Grubman
- Man of the Year → Bill
- Scrubs (TV) → Sam Dorian
- Nuncrackers → Narrator
- Clifford the Big Red Dog (TV) → Clifford (voice)
- TV Funhouse (TV) → Narrator (voice)
- Panic → Josh
- Terror Tract → Bob Carter
- Lost in the Pershing Point Hotel → Christian Therapist
- TripFall → Tom Williams
- Law & Order: Special Victims Unit (TV) → Dr. Richard Manning
- Batman Beyond (TV) → Dr. David Wheeler (voice)
- Family Law (TV) → Father Andrews
- The Early Show (TV) → Self
- Lethal Vows → David Farris
- Holy Joe → Joe Cass
- It Came from the Sky → Donald Bridges
- Hollywood Squares (TV) → Self - Panelist
- Felicity (TV) → Mr. Andrew Covington
- Bride of Chucky → Chief Warren Kincaid
- Montana → Dr. Wexler
- Shadow of Doubt → Steven Mayer
- I Woke Up Early the Day I Died → Robert Forrest
- Chance of a Lifetime → Tom Maguire
- Loss of Faith → Bruce Simon Barker
- Dead Husbands → Dr. Carter Elston
- King of the Hill (TV) → Eugene Grandy (voice)
- Buffy the Vampire Slayer (TV) → Ted Buchanan
- The View (TV) → Self
- Ally McBeal (TV) → George Madison
- Veronica's Closet (TV) → Tim Margolin
- Dead Man's Gun (TV) → Harry McDonacle
- Over the Top (TV) → Justin
- Nowhere → Moses Helper
- A Child's Wish → Ed Chandler
- Sink Or Swim → Hank
- A Gun, a Car, a Blonde → Duncan the Bartender
- Sling Blade → Vaughan Cunningham
- E! True Hollywood Story (TV)
- For Hope → Date #5 (uncredited)
- Mercenary → Jonas Ambler
- Unforgivable → Paul Hegstrom
- Harry Anderson: The Tricks of His Trade → Self
- NewsRadio (TV) → Frank Westford
- The Colony → Rick Knowlton
- Gramps → Clarke MacGruder
- Chicago Hope (TV) → Joe Dysmerski
- Touched by an Angel (TV) → Mike O'Conner
- Touched by an Angel (TV) → Sheriff Tom McKinsley
- North → Ward Nelson
- Late Night with Conan O'Brien (TV) → Self - Guest
- Intimate Portrait (TV) → Self - Interviewee
- Intimate Portrait (TV) → Self - Narrator (voice)
- Dave's World (TV) → John Ritter
- The Only Way Out → Jeremy Carlisle
- Heartbeat → Bill Grant
- The Larry Sanders Show (TV) → John Ritter
- Hearts Afire (TV) → John Hartman
- Fish Police (TV) → Inspector Gil (voice)
- Noises Off... → Garry Lejeune / Roger Tramplemain
- Stay Tuned → Roy Knable
- Martin & Lewis: Their Golden Age of Comedy (TV) → Self
- The Making of High Noon → Self
- The Martin & Lewis Story: The Last Great Comedy Team → Self
- Problem Child 2 → Ben Healy
- The Real Story of O Christmas Tree → Piney (voice)
- The Summer My Father Grew Up → Paul
- Wings (TV) → Stuart Davenport
- It (TV) → Ben Hanscom
- Problem Child → Ben
- The Dreamer of Oz → L. Frank Baum
- Help Save Planet Earth → Self
- Anything But Love (TV) → Patrick Serreau
- Skin Deep → Zach
- My Brother's Wife → Barney
- LIVE with Kelly and Mark (TV) → Self
- Tricks of the Trade → Donald Todsen (uncredited)
- Mickey's 60th Birthday → Dudley Goode
- Hooperman (TV) → Detective Harry Hooperman
- Happy 100th Birthday, Hollywood → Self
- Real Men → Bob Wilson
- The Last Fling → Phillip Reed
- Prison for Children → David Royce
- Life with Lucy (TV) → John Ritter
- A Smoky Mountain Christmas → Judge Harold Benton (uncredited)
- Unnatural Causes → Frank Coleman
- Letting Go → Alex
- The Cosby Show (TV) → Ray Evans
- Muppet Babies (TV)
- Three's a Crowd (TV) → Jack Tripper
- All Star Party for Lucille Ball → Self
- Donald Duck's 50th Birthday → Self
- Love Thy Neighbor → Danny Loeb
- Strong Kids, Safe Kids → Himself
- The Secret World of the Very Young → Self - Host
- Life's Most Embarrassing Moments (TV) → Self - Host
- Sunset Limousine → Alan O'Black
- Nature (TV) → Narrator (voice)
- The Flight of Dragons → Peter Dickinson (voice)
- Pray TV → Tom McPherson
- In Love with an Older Woman → Robert
- The Fantastic Miss Piggy Show → Self
- Entertainment Tonight (TV) → Self
- They All Laughed → Charles Rutledge
- Hero at Large → Steve Nichols
- Wholly Moses → Satan (The Devil)
- The Comeback Kid → Bubba Newman
- John Ritter: Being of Sound Mind and Body → Self / Various
- The Ropers (TV)
- Americathon → President Chet Roosevelt
- Echoes of the Sixties: A Musical Trip → Self - Host
- Ringo → Marty Flesh
- Leave Yesterday Behind → Paul Stallings
- The Goldie Hawn Special → Self
- Robin Williams: Off the Wall → Self
- How to Survive the '70s and Maybe Even Bump Into Happiness → Self
- The Love Boat (TV) → Dale Riley
- The Love Boat (TV) → Ben Cummins
- Three's Company (TV) → Jack Tripper
- Nickelodeon → Franklin Frank
- Starsky & Hutch (TV) → Tom Cole
- People's Choice Awards (TV) → Self - Host
- Doc (TV)
- The Bob Crane Show (TV)
- The Prisoner of Second Avenue → Elevator Passenger (uncredited)
- The Night That Panicked America → Walter Wingate
- Dinah! (TV) → Self
- Rhoda (TV) → Vince Mazuma
- Rhoda (TV) → Jerry Blocker
- Petrocelli (TV) → John Oleson
- Barnaby Jones (TV) → Joe Rockwell
- Kojak (TV) → Kenny Soames
- The Stone Killer → Hart
- The Lie → Bauer
- M*A*S*H (TV) → Private Carter
- The Waltons (TV) → Rev. Matthew Fordwick
- The Rookies (TV)
- The Bob Newhart Show (TV) → Dave
- The Streets of San Francisco (TV) → John 'Johnny' Steiner
- The Other → Rider
- Evil Roy Slade → Priest (uncredited)
- Great Performances (TV) → Richard
- Owen Marshall: Counselor at Law (TV) → Greg
- Scandalous John → Wendell
- The Barefoot Executive → Roger
- The Mary Tyler Moore Show (TV) → Reverend Chatfield
- Dan August (TV) → Coley Smith
- Medical Center (TV) → Ronnie
- Hawaii Five-O (TV) → Ryan Moore
- Hawaii Five-O (TV) → Mike Welles
- Mannix (TV) → Cliff Elgin
- The Tonight Show Starring Johnny Carson (TV) → Self
- The Merv Griffin Show (TV) → Self
- The Mike Douglas Show (TV) → Self - Co-Host
- The Mike Douglas Show (TV) → Self
- The Bob Hope Show (TV) → Self
- Golden Globe Awards (TV) → Self - Nominee
- Golden Globe Awards (TV) → Self