
Filmography

Law & Order: Special Victims Unit
1999 · Dr. Richard Manning

The Tonight Show Starring Johnny Carson
1962 · Self

Saturday Night Live
1975 · Audience Member (uncredited)

The View
1997 · Self

The Mike Douglas Show
1961 · Self - Co-Host, Self

Hollywood Squares
1998 · Self - Panelist

LIVE with Kelly and Mark
1988 · Self

Jimmy Kimmel Live!
2003 · Self

King of the Hill
1997 · Eugene Grandy (voice)

Scrubs
2001 · Sam Dorian

The Merv Griffin Show
1962 · Self

Late Night with Conan O'Brien
1993 · Self - Guest

Hawaii Five-O
1969 · Ryan Moore, Mike Welles

Great Performances
1971 · Richard

M*A*S*H
1972 · Private Carter

Buffy the Vampire Slayer
1997 · Ted Buchanan

The Love Boat
1977 · Dale Riley, Ben Cummins

Nature
1982 · Narrator (voice)

Mannix
1967 · Cliff Elgin

The Cosby Show
1984 · Ray Evans

Golden Globe Awards
1944 · Self - Nominee, Self

The Waltons
1972 · Rev. Matthew Fordwick

Chicago Hope
1994 · Joe Dysmerski

Wings
1990 · Stuart Davenport

Touched by an Angel
1994 · Mike O'Conner, Sheriff Tom McKinsley

Felicity
1998 · Mr. Andrew Covington

Intimate Portrait
1993 · Self - Interviewee, Self - Narrator (voice)

The Mary Tyler Moore Show
1970 · Reverend Chatfield

Three's Company
1977 · Jack Tripper

Starsky & Hutch
1975 · Tom Cole

Dinah!
1974 · Self

Barnaby Jones
1973 · Joe Rockwell

The Bob Hope Show
1950 · Self

Medical Center
1969 · Ronnie

The Bob Newhart Show
1972 · Dave

Batman Beyond
1999 · Dr. David Wheeler (voice)

Ally McBeal
1997 · George Madison

The Larry Sanders Show
1992 · John Ritter

NewsRadio
1995 · Frank Westford

8 Simple Rules
2002 · Paul Hennessy

Rhoda
1974 · Vince Mazuma, Jerry Blocker

The Rookies
1972 · Actor

Kojak
1973 · Kenny Soames

Muppet Babies
1984 · Actor

Bride of Chucky
1998 · Chief Warren Kincaid

Family Law
1999 · Father Andrews

Entertainment Tonight
1981 · Self

People's Choice Awards
1975 · Self - Host

The Streets of San Francisco
1972 · John 'Johnny' Steiner

Dave's World
1993 · John Ritter

Clifford the Big Red Dog
2000 · Clifford (voice)

It
1990 · Ben Hanscom

Veronica's Closet
1997 · Tim Margolin

Petrocelli
1974 · John Oleson

Owen Marshall: Counselor at Law
1971 · Greg

Hearts Afire
1992 · John Hartman

Anything but Love
1989 · Patrick Serreau

The Early Show
1999 · Self

Hooperman
1987 · Detective Harry Hooperman

Dan August
1970 · Coley Smith

Dead Man's Gun
1997 · Harry McDonacle

The Ropers
1979 · Actor

Bad Santa
2003 · Bob Chipeska, In Memory Of

Three's a Crowd
1984 · Jack Tripper

Problem Child
1990 · Ben

Life with Lucy
1986 · John Ritter

Behind Closed Doors with Natalie Morales
2015 · Himself (archive footage)

TV Funhouse
2000 · Narrator (voice)
Doc
1975 · Actor

Breaking News
2002 · Actor

Over the Top
1997 · Justin

Fish Police
1992 · Inspector Gil (voice)

Sling Blade
1996 · Vaughan Cunningham

E! True Hollywood Story
1996 · Actor

Problem Child 2
1991 · Ben Healy

Nowhere
1997 · Moses Helper

Superstar
2021 · Self (archive footage)
The Bob Crane Show
1975 · Actor

North
1994 · Ward Nelson

Stay Tuned
1992 · Roy Knable

The Prisoner of Second Avenue
1975 · Elevator Passenger (uncredited)

The Flight of Dragons
1982 · Peter Dickinson (voice)

Real Men
1987 · Bob Wilson

Wednesday 9:30 (8:30 Central)
2002 · John Ritter

Panic
2000 · Josh

Noises Off...
1992 · Garry Lejeune / Roger Tramplemain

Nickelodeon
1976 · Franklin Frank
Martin & Lewis: Their Golden Age of Comedy
1992 · Self

Clifford The Big Red Dog: Best Buddies
2000 · Clifford

Clifford's Really Big Movie
2004 · Clifford the Big Red Dog (voice), In Memory Of

Life's Most Embarrassing Moments
1983 · Self - Host

Tadpole
2002 · Stanley Grubman
TV Land Awards: A Celebration of Classic TV
2003 · Actor

Americathon
1979 · President Chet Roosevelt

The Other
1972 · Rider

A Smoky Mountain Christmas
1986 · Judge Harold Benton (uncredited)

Skin Deep
1989 · Zach

My Brother's Wife
1989 · Barney

Shadow of Doubt
1998 · Steven Mayer

Wholly Moses
1980 · Satan (The Devil)

Manhood
2003 · Eli

Montana
1998 · Dr. Wexler

They All Laughed
1981 · Charles Rutledge

The Secret World of the Very Young
1984 · Self - Host

The Stone Killer
1973 · Hart

The Last Fling
1987 · Phillip Reed

Tricks of the Trade
1988 · Donald Todsen (uncredited)

The Dreamer of Oz
1990 · L. Frank Baum

Happy 100th Birthday, Hollywood
1987 · Self

ABC's 50th Anniversary Celebration
2003 · Self

Ringo
1978 · Marty Flesh

Mercenary
1996 · Jonas Ambler

Terror Tract
2000 · Bob Carter

The Night That Panicked America
1975 · Walter Wingate

The Barefoot Executive
1971 · Roger

A Child's Wish
1997 · Ed Chandler

Hero at Large
1980 · Steve Nichols

Donald Duck's 50th Birthday
1984 · Self

Sink Or Swim
1997 · Hank

Superstars and their Moms
1987 · Self

Mickey's 60th Birthday
1988 · Dudley Goode

The Real Story of O Christmas Tree
1991 · Piney (voice)

The Summer My Father Grew Up
1991 · Paul

In Love with an Older Woman
1982 · Robert

Lethal Vows
1999 · David Farris

It Came from the Sky
1999 · Donald Bridges

Mr. Thornton Goes to Hollywood
2005 · Self (archive footage)

Lost in the Pershing Point Hotel
2000 · Christian Therapist

A Gun, a Car, a Blonde
1997 · Duncan the Bartender

Chance of a Lifetime
1998 · Tom Maguire

Robin Williams: Off the Wall
1978 · Self

The Colony
1995 · Rick Knowlton

The Lie
1973 · Bauer

Sunset Limousine
1983 · Alan O'Black

The Goldie Hawn Special
1978 · Self

The Fantastic Miss Piggy Show
1982 · Self

Letting Go
1985 · Alex

The Golden Girls: Lifetime Intimate Portrait Series
2003 · Narrator (voice)

John Ritter: Being of Sound Mind and Body
1980 · Self / Various, Writer

Strong Kids, Safe Kids
1984 · Himself

Help Save Planet Earth
1990 · Self

It's Howdy Doody Time: A 40-Year Celebration
1987 · Himself - Guest

The Comeback Kid
1980 · Bubba Newman

Evil Roy Slade
1972 · Priest (uncredited)

Walt Disney World Christmas Day Parade
2002 · Self

I Woke Up Early the Day I Died
1998 · Robert Forrest

Heartbeat
1993 · Bill Grant

Echoes of the Sixties: A Musical Trip
1979 · Self - Host

Unforgivable
1996 · Paul Hegstrom

The Making of High Noon
1992 · Self

Dead Husbands
1998 · Dr. Carter Elston

Leave Yesterday Behind
1978 · Paul Stallings

Time Machine: When Cowboys Were King
2003 · Self

Man of the Year
2002 · Bill

Harry Anderson: The Tricks of His Trade
1996 · Self

Scandalous John
1971 · Wendell

Holy Joe
1999 · Joe Cass

Stanley's Dinosaur Round-Up
2006 · Great Uncle Stew (voice), In Memory Of

The Martin & Lewis Story: The Last Great Comedy Team
1992 · Self

The Only Way Out
1993 · Jeremy Carlisle

TripFall
2000 · Tom Williams

Pray TV
1982 · Tom McPherson

For Hope
1996 · Date #5 (uncredited)

Gramps
1995 · Clarke MacGruder
How to Survive the '70s and Maybe Even Bump Into Happiness
1978 · Self
Loss of Faith
1998 · Bruce Barker

Prison for Children
1987 · David Royce
All Star Party for Lucille Ball
1984 · Self

Unnatural Causes
1986 · Frank Coleman

Love Thy Neighbor
1984 · Danny Loeb

The History of Toys and Games
1997 · Self - Host

Nuncrackers
2001 · Narrator