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.

KNOWN FOR

Grey's Anatomy
2005
Dallas
1979
The Shield
2003
The Wonder Years
1989
St. Elsewhere
1983
New Amsterdam
2018
Die Drehscheibe
1969
In Treatment
2008
ABC Afterschool Special
1985
thirtysomething
1987
Philip K. Dick's Electric Dreams
2017
Eight Is Enough
1979

FILMOGRAPHY

All
Movies
TV
Acting
46
Directing
21
Writing
3
Producing
9
2018
Family
as Charlie
2010
Life Unexpected
as Grant Cassidy
2008
In Treatment
as Zach
2005
Happy Endings
as Ted the Urologist (uncredited)
2005
The Naked Brothers Band: The Movie
as Peter Horton
2004
The Dust Factory
as Lionel
2004
While I Was Gone
as Eli Mayhew
2004
Harvesting Horror: Children of the Corn
as (archival footage)
2003
Thoughtcrimes
as Dr. Michael Welles
2003
Karen Sisco
2000
The Geena Davis Show
as Max Ryan
1998
T-Rex: Back to the Cretaceous
as Dr. Donald Hayden
1998
Brimstone
as Ezekiel Stone
1998
From the Earth to the Moon
as documentary director
1997
Into Thin Air: Death on Everest
as Scott Fischer
1997
The End of Violence
as Brian
1997
Murder Live!
as Lt. Clay Maloney
1997
Gun
as Jack
1996
2 Days in the Valley
as Roy Foxx
1996
Death Benefit
as Steven Keeney
1996
Crazy Horse
as General George Armstrong Custer
1995
The Baby-Sitters Club
as Patrick
1994
Children of the Dark
as Jim Harrison
1993
Class of '96
as Professor Hartman
1992
Singles
as Jamie
1990
Side Out
as Zack Barnes
1990
The Earth Day Special
as Self (uncredited)
1987
Amazon Women on the Moon
as Harry (segment "Hospital")
1987
thirtysomething
as Gary Shepherd
1986
Where the River Runs Black
as Father Mahoney
1984
Children of the Corn
as Burton Stanton
1983
Choices of the Heart
as Doug
1983
St. Elsewhere
as Barry Dorn
1982
Split Image
as Jacob
1982
Seven Brides for Seven Brothers
as Crane McFadden
1981
Miracle on Ice
as Jack O'Callahan
1981
Freedom
as Bill
1981
Flamingo Road
1980
Fade to Black
as Joey
1980
Serial
as Cult Member 4
1979
She's Dressed to Kill
as Tony Smith
1979
Kaz
1979
Dallas
as Wayne
1979
Eight Is Enough
1979
The White Shadow
as Raymond Collins
1969
Die Drehscheibe
as Self