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Peter Horton
ACTOR

Peter Horton

Known for Grey's Anatomy · The Wonder Years · New Amsterdam

Peter Horton (born August 20, 1953) is an American actor and director. He played the role of Prof. Gary Shepherd on the popular television series Thirtysomething until 1991.

Snapshot 2026-10-13

Born
Aug 20, 1953
Birthplace
Bellevue, Washington, USA
Known For
Acting

Biography

Peter Horton (born August 20, 1953) is an American actor and director. He played the role of Prof. Gary Shepherd on the popular television series Thirtysomething until 1991.

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Known For

TVGrey's Anatomy
Grey's AnatomyDirector · 2005
★ 8.2
TVThe Wonder Years
The Wonder YearsDirector · 1988
★ 8.3
TVNew Amsterdam
New AmsterdamDirector · 2018
★ 8.3
TVThe Shield
The ShieldDirector · 2002
★ 8.2
TVDallas
DallasWayne · 1978
★ 6.9
TVSt. Elsewhere
St. ElsewhereBarry Dorn · 1982
★ 5.7

Filmography

Movies

She's Dressed to KillTony Smith
1979
Fade to BlackJoey
1980
SerialCult Member 4
1980
FreedomBill
1981
Miracle on IceJack O'Callahan
1981
Split ImageJacob
1982
CO
Choices of the HeartDoug
1983
Children of the CornBurton Stanton
1984
One Too ManyDirector
1985
Where the River Runs BlackFather Mahoney
1986
Amazon Women on the MoonHarry (segment "Hospital")
1987
Amazon Women on the MoonDirector
1987
Extreme Close-UpDirector
1990
Side OutZack Barnes
1990
The Earth Day SpecialSelf (uncredited)
1990
SinglesJamie
1992
Children of the DarkJim Harrison
1994
The Baby-Sitters ClubPatrick
1995
The CureDirector
1995
2 Days in the ValleyRoy Foxx
1996
Crazy HorseGeneral George Armstrong Custer
1996
Death BenefitSteven Keeney
1996
Into Thin Air: Death on EverestScott Fischer
1997
Murder Live!Lt. Clay Maloney
1997
Murder Live!Executive Producer
1997
Murder Live!Story
1997
The End of ViolenceBrian
1997
T-Rex: Back to the CretaceousDr. Donald Hayden
1998
ThoughtcrimesDr. Michael Welles
2003
Harvesting Horror: Children of the Corn(archival footage)
2004
The Dust FactoryLionel
2004
While I Was GoneEli Mayhew
2004
Happy EndingsTed the Urologist (uncredited)
2005
The Naked Brothers Band: The MoviePeter Horton
2005
RunnerExecutive Producer
2015
FamilyCharlie
2018

Television

DD
Die DrehscheibeSelf · 2 eps
1964
ABC Afterschool SpecialDirector
1972
Eight Is Enough2 eps
1977
DallasWayne · 2 eps
1978
Kaz1 eps
1978
The White ShadowRaymond Collins · 1 eps
1978
Flamingo Road1 eps
1981
Seven Brides for Seven BrothersCrane McFadden · 22 eps
1982
St. ElsewhereBarry Dorn · 1 eps
1982
thirtysomethingGary Shepherd · 85 eps
1987
thirtysomethingDirector
1987
The Wonder YearsDirector
1988
Class of '96Professor Hartman · 1 eps
1993
Class of '96Director
1993
BirdlandDirector
1994
GunJack · 1 eps
1997
GunDirector
1997
BrimstoneEzekiel Stone · 13 eps
1998
BrimstoneProducer
1998
From the Earth to the Moondocumentary director · 1 eps
1998
Once and AgainDirector
1999
The Geena Davis ShowMax Ryan · 22 eps
2000
MDsDirector
2002
The ShieldDirector
2002
Karen Sisco1 eps
2003
Line of FireDirector
2003
Grey's AnatomyDirector
2005
Grey's AnatomyCo-Executive Producer
2005
Grey's AnatomyExecutive Producer
2005
Dirty Sexy MoneyProducer
2007
Dirty Sexy MoneyDirector
2007
In TreatmentZach · 1 eps
2008
The PhilanthropistDirector
2009
Life UnexpectedGrant Cassidy · 1 eps
2010
Lone StarDirector
2010
DeceptionProducer
2013
American OdysseyExecutive Producer
2015
American OdysseyStory
2015
American OdysseyTeleplay
2015
American OdysseyDirector
2015
American OdysseyCreator
2015
Philip K. Dick's Electric DreamsDirector
2017
New AmsterdamDirector
2018
New AmsterdamExecutive Producer
2018

Photos

Peter Horton photo
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