John Ritter

Superstar

as Self (archive footage)

Behind Closed Doors with Natalie Morales

as Himself (archive footage)

Stanley's Dinosaur Round-Up

as Great Uncle Stew (voice)

Mr. Thornton Goes to Hollywood

as Self (archive footage)

Clifford's Really Big Movie

as Clifford the Big Red Dog (voice)

Bad Santa

as Bob Chipeska

ABC's 50th Anniversary Celebration

as Self

TV Land Awards: A Celebration of Classic TV

Jimmy Kimmel Live!

as Self

Manhood

as Eli

Time Machine: When Cowboys Were King

as Self

The Golden Girls: Lifetime Intimate Portrait Series

as Narrator (voice)

8 Simple Rules

as Paul Hennessy

Tadpole

as Stanley Grubman

Breaking News

Man of the Year

as Bill

Wednesday 9:30 (8:30 Central)

Nuncrackers

as Narrator

Scrubs

as Sam Dorian

TV Funhouse

as Narrator (voice)

Panic

as Josh

Terror Tract

as Bob Carter

Clifford the Big Red Dog

as Clifford (voice)

TripFall

as Tom Williams

Lost in the Pershing Point Hotel

as Christian Therapist

The Early Show

as Self

Lethal Vows

as David Farris

Law & Order: Special Victims Unit

as Dr. Richard Manning

Family Law

as Father Andrews

It Came from the Sky

as Donald Bridges

Holy Joe

as Joe Cass

Batman Beyond

as Dr. David Wheeler (voice)

Dead Husbands

as Dr. Carter Elston

Bride of Chucky

as Chief Warren Kincaid

Loss of Faith

as Bruce Simon Barker

Felicity

as Mr. Andrew Covington

Hollywood Squares

as Self - Panelist

I Woke Up Early the Day I Died

as Robert Forrest

Shadow of Doubt

as Steven Mayer

Chance of a Lifetime

as Tom Maguire

Montana

as Dr. Wexler

Over the Top

as Justin

Veronica's Closet

as Tim Margolin

Sink Or Swim

as Hank

Ally McBeal

as George Madison

The View

as Self

A Gun, a Car, a Blonde

as Duncan the Bartender

Nowhere

as Moses Helper

Buffy the Vampire Slayer

as Ted Buchanan

Dead Man's Gun

as Harry McDonacle

A Child's Wish

as Ed Chandler

King of the Hill

as Eugene Grandy (voice)

For Hope

as Date #5 (uncredited)

Mercenary

as Jonas Ambler

Sling Blade

as Vaughan Cunningham

E! True Hollywood Story

Harry Anderson: The Tricks of His Trade

as Self

Unforgivable

as Paul Hegstrom

The Colony

as Rick Knowlton

Gramps

as Clarke MacGruder

NewsRadio

as Frank Westford

Touched by an Angel

as Mike O'Conner

Touched by an Angel

as Sheriff Tom McKinsley

Chicago Hope

as Joe Dysmerski

North

as Ward Nelson

The Only Way Out

as Jeremy Carlisle

Intimate Portrait

as Self - Interviewee

Intimate Portrait

as Self - Narrator (voice)

Dave's World

as John Ritter

Late Night with Conan O'Brien

as Self - Guest

Heartbeat

as Bill Grant

Hearts Afire

as John Hartman

The Larry Sanders Show

as John Ritter

Stay Tuned

as Roy Knable

Noises Off...

as Garry Lejeune / Roger Tramplemain

Fish Police

as Inspector Gil (voice)

The Making of High Noon

as Self

The Martin & Lewis Story: The Last Great Comedy Team

as Self

Martin & Lewis: Their Golden Age of Comedy

as Self

The Real Story of O Christmas Tree

as Piney (voice)

Problem Child 2

as Ben Healy

The Summer My Father Grew Up

as Paul

The Dreamer of Oz

as L. Frank Baum

It

as Ben Hanscom

Problem Child

as Ben

Wings

as Stuart Davenport

Help Save Planet Earth

as Self

My Brother's Wife

as Barney

Anything But Love

as Patrick Serreau

Skin Deep

as Zach

Tricks of the Trade

as Donald Todsen (uncredited)

Mickey's 60th Birthday

as Dudley Goode

LIVE with Kelly and Mark

as Self

Real Men

as Bob Wilson

Hooperman

as Detective Harry Hooperman

Happy 100th Birthday, Hollywood

as Self

Prison for Children

as David Royce

The Last Fling

as Phillip Reed

A Smoky Mountain Christmas

as Judge Harold Benton (uncredited)

Unnatural Causes

as Frank Coleman

Life with Lucy

as John Ritter

Letting Go

as Alex

All Star Party for Lucille Ball

as Self

Donald Duck's 50th Birthday

as Self

Muppet Babies

Three's a Crowd

as Jack Tripper

The Cosby Show

as Ray Evans

The Secret World of the Very Young

as Self - Host

Love Thy Neighbor

as Danny Loeb

Strong Kids, Safe Kids

as Himself

Sunset Limousine

as Alan O'Black

Life's Most Embarrassing Moments

as Self - Host

In Love with an Older Woman

as Robert

Nature

as Narrator (voice)

The Fantastic Miss Piggy Show

as Self

The Flight of Dragons

as Peter Dickinson (voice)

Pray TV

as Tom McPherson

They All Laughed

as Charles Rutledge

Entertainment Tonight

as Self

Wholly Moses

as Satan (The Devil)

John Ritter: Being of Sound Mind and Body

as Self / Various

The Comeback Kid

as Bubba Newman

Hero at Large

as Steve Nichols

Americathon

as President Chet Roosevelt

Echoes of the Sixties: A Musical Trip

as Self - Host

The Ropers

Robin Williams: Off the Wall

as Self

Leave Yesterday Behind

as Paul Stallings

Ringo

as Marty Flesh

The Goldie Hawn Special

as Self

How to Survive the '70s and Maybe Even Bump Into Happiness

as Self

The Love Boat

as Dale Riley

The Love Boat

as Ben Cummins

Three's Company

as Jack Tripper

Nickelodeon

as Franklin Frank

The Night That Panicked America

as Walter Wingate

Doc

Starsky & Hutch

as Tom Cole

The Prisoner of Second Avenue

as Elevator Passenger (uncredited)

The Bob Crane Show

People's Choice Awards

as Self - Host

Dinah!

as Self

Petrocelli

as John Oleson

Rhoda

as Vince Mazuma

Rhoda

as Jerry Blocker

Kojak

as Kenny Soames

The Stone Killer

as Hart

The Lie

as Bauer

Barnaby Jones

as Joe Rockwell

The Streets of San Francisco

as John 'Johnny' Steiner

M*A*S*H

as Private Carter

The Bob Newhart Show

as Dave

The Waltons

as Rev. Matthew Fordwick

The Rookies

The Other

as Rider

Evil Roy Slade

as Priest (uncredited)

Owen Marshall: Counselor at Law

as Greg

Scandalous John

as Wendell

The Barefoot Executive

as Roger

Great Performances

as Richard

Dan August

as Coley Smith

The Mary Tyler Moore Show

as Reverend Chatfield

Medical Center

as Ronnie

Hawaii Five-O

as Ryan Moore

Hawaii Five-O

as Mike Welles

Mannix

as Cliff Elgin

The Tonight Show Starring Johnny Carson

as Self

The Merv Griffin Show

as Self

The Mike Douglas Show

as Self - Co-Host

The Mike Douglas Show

as Self

The Bob Hope Show

as Self

Golden Globe Awards

as Self - Nominee

Golden Globe Awards

as Self