| ایل
|
آدی
|
روْل
|
نوت
|
| 1967
|
The Dating Game
|
Himself
|
Contestant (winning bachelor)
|
| 1968
|
Crazy World, Crazy People
|
Various characters
|
Special
|
| 1970
|
Dan August
|
Coley Smith
|
Episode: "Quadrangle for Death"
|
| 1971
|
Hawaii Five-O
|
Ryan Moore / Mike Welles
|
2 episodes
|
| 1972–1976
|
The Waltons
|
Rev. Matthew Fordwick
|
Recurring روْل (18 episodes)
|
| 1973
|
Medical Center
|
Ronnie
|
Episode: "End of the Line"
|
| Bachelor-at-Law
|
Ben Sykes
|
Unsold pilot
|
| M*A*S*H
|
Pvt. Carter
|
Episode: "Deal Me Out"
|
| 1974
|
Kojak
|
Kenny Soames
|
Episode: "Deliver Us Some Evil"
|
| Owen Marshall: Counselor at Law
|
Greg
|
Episode: "To Keep and Bear Arms"
|
| The Bob Newhart Show
|
Dave
|
Episode: "Sorry, Wrong Mother"
|
| 1975
|
Movin' On
|
Casey
|
Episode: "Landslide"
|
| Mannix
|
Cliff Elgin
|
Episode: "Hardball"
|
| The Bob Crane Show
|
Hornbeck
|
Episode: "Son of the Campus Capers"
|
| Petrocelli
|
John Oleson
|
Episode: "Chain of Command"
|
| Barnaby Jones
|
Joe Rockwell
|
Episode: "The Price of Terror"
|
| The Streets of San Francisco
|
John 'Johnny' Steiner
|
Episode: "Murder by Proxy"
|
| The Night That Panicked America
|
Walter Wingate
|
ABC فیلم
|
| The Mary Tyler Moore Show
|
Reverend Chatfield
|
Episode: "Ted's Wedding"
|
| The Rookies
|
Hap Dawson
|
Episode: "Reluctant Hero"
|
| Rhoda
|
Vince Mazuma / Jerry Blocker
|
2 episodes
|
| 1976
|
Starsky & Hutch
|
Tom Cole
|
Episode: "The Hostages"
|
| Phyllis
|
Paul Jameson
|
Episode: "The New Job"
|
| 1977–1984
|
Three's Company
|
Jack Tripper
|
Lead روْل (174 episodes)
|
| 1977
|
The Love Boat
|
Ben Cummins / Dale Riley/Reinhardt
|
2 episodes
|
| 1978
|
Ringo
|
Marty
|
Movie
|
| Leave Yesterday Behind
|
Paul Stallings
|
ABC فیلم
|
| 1979
|
The Ropers
|
Jack Tripper
|
Episode: "The Party"
|
| 1980
|
The Associates
|
Chick
|
Episode: "The Censors"
|
| The Comeback Kid
|
Bubba Newman
|
ABC فیلم
|
| 1981
|
Insight
|
Frankie
|
Episode: "Little Miseries"
|
| 1982
|
Pray TV
|
Tom McPherson
|
ABC فیلم
|
| In Love with an Older Woman
|
Robert
|
CBS فیلم
|
| The Fantastic Miss Piggy Show
|
Himself
|
Special
|
| 1983
|
Sunset Limousine
|
Alan O'Black
|
CBS فیلم
|
| 1984
|
Love Thy Neighbor
|
Danny Loeb
|
ABC فیلم
|
| Pryor's Place
|
Himself
|
Episode: "The Showoff"
|
| 1984–1985
|
Three's a Crowd
|
Jack Tripper
|
Lead روْل (22 episodes)
|
| 1985
|
Letting Go
|
Alex
|
ABC فیلم
|
| 1986
|
Living Seas
|
Host
|
NBC فیلم
|
| Unnatural Causes
|
Frank Coleman
|
NBC فیلم
|
| A Smoky Mountain Christmas
|
Judge Harold Benton
|
ABC film, Uncredited[نیازمند منبع]
|
| Life with Lucy
|
Himself
|
Episode: "Lucy Makes a Hit with John Ritter"
|
| 1987
|
The Last Fling
|
Phillip Reed
|
ABC فیلم
|
| Prison for Children
|
David Royce
|
CBS فیلم
|
| 1987–1989
|
Hooperman
|
Det. Harry Hooperman
|
Lead روْل (42 episodes)
|
| 1988
|
Mickey's 60th Birthday
|
Dudley Goode
|
Special
|
| Tricks of the Trade
|
Donald Todsen
|
Cameo; CBS فیلم
|
| 1989
|
My Brother's Wife
|
Barney
|
ABC فیلم
|
| 1990
|
It
|
Adult Ben "Haystack" Hanscom
|
ABC فیلم
|
| The Dreamer of Oz: The L. Frank Baum Story
|
L. Frank Baum
|
NBC فیلم
|
| 1991
|
The Cosby Show
|
Ray Evans
|
Episode: "Total Control"
|
| The Summer My Father Grew Up
|
Paul
|
NBC فیلم
|
| Anything but Love
|
Patrick Serreau
|
Recurring روْل (5 episodes)
|
| 1992
|
Fish Police
|
Inspector Gill
|
Voice, 5 episodes
|
| 1992–1995
|
Hearts Afire
|
John Hartman
|
Lead روْل (54 episodes)
|
| 1993
|
Heartbeat
|
Bill Grant
|
NBC فیلم
|
| The Only Way Out
|
Jeremy Carlisle
|
ABC فیلم
|
| The Larry Sanders Show
|
Himself
|
Episode: "Off Camera"
|
| 1994
|
Dave's World
|
John Hartman
|
Episode: "Please Won't You Be My Neighbor"
|
| 1995
|
Gramps
|
Clarke MacGruder
|
NBC فیلم
|
| The Colony
|
Rick Knowlton
|
USA Network فیلم
|
| NewsRadio
|
Dr. Frank Westford
|
Episode: "The Shrink"
|
| The Larry Sanders Show
|
Himself
|
Episode: "The Fourteenth Floor"
|
| 1996
|
Unforgivable
|
Paul Hegstrom
|
CBS فیلم
|
| Wings
|
Stuart Davenport
|
Episode: "Love Overboard"
|
| For Hope
|
Date #5
|
ABC film (uncredited)[نیازمند منبع]
|
| Touched by an Angel
|
Mike O'Connor / Tom McKinsley
|
2 episodes
|
| 1997
|
Loss of Faith
|
Bruce Simon Barker
|
Movie
|
| Mercenary
|
Jonas Ambler
|
HBO فیلم
|
| A Child's Wish
|
Ed Chandler
|
CBS فیلم
|
| Dead Man's Gun
|
Harry McDonacle
|
Segment: "The Great McDonacle"
|
| Over the Top
|
Justin Talbot
|
Episode: "The Nemesis"
|
| Buffy the Vampire Slayer
|
Ted Buchanan
|
Episode: "Ted"
|
| 1997–2004
|
King of the Hill
|
Eugene Grandy
|
Voice, 4 episodes
|
| 1998
|
Chance of a Lifetime
|
Tom Maguire
|
CBS فیلم
|
| Ally McBeal
|
George Madison
|
2 episodes
|
| Dead Husbands
|
Dr. Carter Elston
|
USA Network فیلم
|
| 1999
|
Veronica's Closet
|
Tim
|
Episode: "Veronica's Favorite Year"
|
| Holy Joe
|
Joe Cass
|
CBS فیلم
|
| It Came from the Sky
|
Donald Bridges
|
Romance Classics فیلم
|
| Lethal Vows
|
Dr. David Farris
|
CBS فیلم
|
| 2000–2003
|
Clifford the Big Red Dog
|
Clifford
|
Voice, 64 episodes
|
| 2000
|
Chicago Hope
|
Joe Dysmerski
|
Episode: "Simon Sez"
|
| Batman Beyond
|
Dr. David Wheeler
|
Voice, Episode: "The Last Resort"
|
| Family Law
|
Father Andrews
|
Episode: "Possession is Nine Tenths of the Law"
|
| 2000–2002
|
Felicity
|
Mr. Andrew Covington
|
Recurring روْل (7 episodes)
|
| 2001
|
Tucker
|
Marty
|
Episode: "Homewrecker for the Holidays"
|
| 2002
|
The Ellen Show
|
Percy Moss
|
Episode: "Gathering Moss"
|
| Law & Order: Special Victims Unit
|
Dr. Richard Manning
|
Episode: "Monogamy"
|
| Breaking News
|
Lloyd Fuchs
|
Episode: "Pilot"
|
| Scrubs
|
Sam Dorian
|
2 episodes
|
| 2002–2003
|
8 Simple Rules for Dating My Teenage Daughter
|
Paul Hennessy
|
Lead روْل (31 episodes)
|
