John Ritter

Superstar

Self (archive footage) · (1 episode)

Behind Closed Doors with Natalie Morales

Himself (archive footage) · (1 episode)

Never Sleep Again: The Elm Street Legacy

Self (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)

Bad Santa

Bob Chipeska

TV Land Awards: A Celebration of Classic TV

(1 episode)

Manhood

Eli

Time Machine: When Cowboys Were King

Self

The Golden Girls: Lifetime Intimate Portrait Series

Narrator (voice)

8 Simple Rules

Paul Hennessy · (31 episodes)

Tadpole

Stanley Grubman

Breaking News

(1 episode)

Man of the Year

Bill

Wednesday 9:30 (8:30 Central)

(1 episode)

Nuncrackers

Narrator

Scrubs

Sam Dorian · (1 episode)

TV Funhouse

Narrator (voice) · (1 episode)

Panic

Josh

Terror Tract

Bob Carter

Clifford the Big Red Dog

(0 episode)

Clifford the Big Red Dog

Clifford the Big Red Dog (voice) · (130 episodes)

TripFall

Tom Williams

Lost in the Pershing Point Hotel

Christian Therapist

The Early Show

Self · (1 episode)

Lethal Vows

David Farris

Law & Order: Special Victims Unit

Dr. Richard Manning · (1 episode)

Family Law

Father Andrews · (1 episode)

It Came From the Sky

Donald Bridges

Holy Joe

Joe Cass

Batman Beyond

Dr. David Wheeler (voice) · (1 episode)

Dead Husbands

Dr. Carter Elston

Bride of Chucky

Chief Warren Kincaid

Loss of Faith

Bruce Simon Barker

Felicity

Mr. Andrew Covington · (7 episodes)

I Woke Up Early the Day I Died

Robert Forrest

Shadow of Doubt

Steven Mayer

Chance of a Lifetime

Tom Maguire

Montana

Dr. Wexler

Over the Top

Justin · (1 episode)

Veronica's Closet

Tim Margolin · (1 episode)

Hacks

Hank

Ally McBeal

George Madison · (2 episodes)

The View

Self · (2 episodes)

A Gun, a Car, a Blonde

Duncan the Bartender

Nowhere

Moses Helper

Buffy the Vampire Slayer

Ted Buchanan · (1 episode)

A Child's Wish

Ed Chandler

King of the Hill

Eugene Grandy (voice) · (4 episodes)

For Hope

Date #5 (uncredited)

Mercenary

Jonas Ambler

Sling Blade

Vaughan Cunningham

E! True Hollywood Story

(4 episodes)

Harry Anderson: The Tricks of His Trade

Self

Unforgivable

Paul Hegstrom

Sex, Censorship and the Silver Screen

Quote Reader

The Colony

Rick Knowlton

Gramps

Clarke MacGruder

NewsRadio

Frank Westford · (1 episode)

Touched by an Angel

Mike O'Conner · (1 episode)

Touched by an Angel

Sheriff Tom McKinsley · (1 episode)

Chicago Hope

(1 episode)

North

Ward Nelson

The Only Way Out

Jeremy Carlisle

Intimate Portrait

Self - Interviewee · (1 episode)

Intimate Portrait

Self - Narrator (voice) · (1 episode)

Dave's World

John Ritter · (3 episodes)

Late Night with Conan O'Brien

Self - Guest · (1 episode)

Heartbeat

Bill Grant

Hearts Afire

John Hartman · (54 episodes)

The Larry Sanders Show

John Ritter · (1 episode)

Stay Tuned

Roy Knable

Noises Off...

Garry Lejeune / Roger Tramplemain

Fish Police

Inspector Gil (voice) · (6 episodes)

The Making of High Noon

Self

The Martin & Lewis Story: The Last Great Comedy Team

Self

Martin & Lewis: Their Golden Age of Comedy

Self · (3 episodes)

The Real Story of O Christmas Tree

Piney (voice)

Problem Child 2

Ben Healy

The Summer My Father Grew Up

Paul

The Dreamer of Oz

L. Frank Baum

It - Eso

It

Ben Hanscom · (2 episodes)

Problem Child

Ben

Wings

Stuart Davenport · (1 episode)

My Brother's Wife

Barney

Anything But Love

Patrick Serreau · (5 episodes)

Skin Deep

Zach

Tricks of the Trade

Donald Todsen (uncredited)

Mickey's 60th Birthday

Dudley Goode

LIVE with Kelly and Mark

(1 episode)

Real Men

Bob Wilson

Hooperman

Detective Harry Hooperman · (42 episodes)

Happy 100th Birthday, Hollywood

Self

Prison for Children

David Royce

The Last Fling

Phillip Reed

A Smoky Mountain Christmas

Judge Harold Benton (uncredited)

Unnatural Causes

Frank Coleman

Life with Lucy

John Ritter · (1 episode)

Letting Go

Alex

All Star Party for Lucille Ball

Self

Donald Duck's 50th Birthday

Self

Muppet Babies

(1 episode)

Three's a Crowd

Jack Tripper · (22 episodes)

The Cosby Show

Ray Evans · (1 episode)

Love Thy Neighbor

Danny Loeb

Strong Kids, Safe Kids

Himself

Sunset Limousine

Alan O'Black

Life's Most Embarrassing Moments

Self - Host · (1 episode)

In Love with an Older Woman

Robert

Nature

Narrator (voice) · (1 episode)

The Fantastic Miss Piggy Show

Self

The Flight of Dragons

Peter Dickinson (voice)

Pray TV

Tom McPherson

They All Laughed

Charles Rutledge

Entertainment Tonight

Self · (1 episode)

Wholly Moses

Satan (The Devil)

John Ritter: Being of Sound Mind and Body

Self / Various

The Comeback Kid

Bubba Newman

Hero at Large

Steve Nichols

Americathon

President Chet Roosevelt

Echoes of the Sixties: A Musical Trip

Self - Host

The Ropers

(1 episode)

Robin Williams: Off the Wall

Self

Leave Yesterday Behind

Paul Stallings

Ringo

Marty Flesh

The Goldie Hawn Special

Self

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

Self

The Love Boat

Dale Riley · (1 episode)

The Love Boat

Ben Cummins · (2 episodes)

Three's Company

Jack Tripper · (171 episodes)

Nickelodeon

Franklin Frank

The Night That Panicked America

Walter Wingate

Doc

(1 episode)

Starsky & Hutch

Tom Cole · (1 episode)

The Prisoner of Second Avenue

Elevator Passenger (uncredited)

The Bob Crane Show

(1 episode)

Petrocelli

John Oleson · (1 episode)

Rhoda

Vince Mazuma · (1 episode)

Rhoda

Jerry Blocker · (1 episode)

Kojak

Kenny Soames · (1 episode)

The Stone Killer

Hart

The Lie

Bauer

Barnaby Jones

Joe Rockwell · (1 episode)

The Streets of San Francisco

John 'Johnny' Steiner · (1 episode)

M*A*S*H

Private Carter · (1 episode)

The Bob Newhart Show

Dave · (1 episode)

The Waltons

Rev. Matthew Fordwick · (17 episodes)

The Rookies

(1 episode)

The Other

Rider

Evil Roy Slade

Priest (uncredited)

Owen Marshall: Counselor at Law

Greg · (1 episode)

Scandalous John

Wendell

The Barefoot Executive

Roger

Great Performances

Richard · (1 episode)

Dan August

Coley Smith · (1 episode)

The Mary Tyler Moore Show

Reverend Chatfield · (1 episode)

Medical Center

Ronnie · (1 episode)

Hawaii Five-O

Ryan Moore · (1 episode)

Hawaii Five-O

Mike Welles · (1 episode)

Mannix

Cliff Elgin · (1 episode)

The Tonight Show Starring Johnny Carson

Self · (9 episodes)

The Mike Douglas Show

Self - Co-Host · (2 episodes)

The Mike Douglas Show

Self · (3 episodes)

The Bob Hope Show

Self · (1 episode)

Golden Globe Awards

Self - Nominee · (1 episode)

Golden Globe Awards

Self · (2 episodes)