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.
Filmography
Cast Credits

Family
Character: Charlie
MOVIE • 2018

Life Unexpected
Character: Grant Cassidy
TV • 2010

In Treatment
Character: Zach
TV • 2008

The Naked Brothers Band: The Movie
Character: Peter Horton
MOVIE • 2005

Happy Endings
Character: Ted the Urologist (uncredited)
MOVIE • 2005

The Dust Factory
Character: Lionel
MOVIE • 2004

While I Was Gone
Character: Eli Mayhew
MOVIE • 2004
Harvesting Horror: Children of the Corn
Character: (archival footage)
MOVIE • 2004

Karen Sisco
Character:
TV • 2003

Thoughtcrimes
Character: Dr. Michael Welles
MOVIE • 2003

The Geena Davis Show
Character: Max Ryan
TV • 2000

T-Rex: Back to the Cretaceous
Character: Dr. Donald Hayden
MOVIE • 1998

Brimstone
Character: Ezekiel Stone
TV • 1998

From the Earth to the Moon
Character: documentary director
TV • 1998

Into Thin Air: Death on Everest
Character: Scott Fischer
MOVIE • 1997

The End of Violence
Character: Brian
MOVIE • 1997

Gun
Character: Jack Keyes
MOVIE • 1997

Gun
Character:
TV • 1997

Murder Live!
Character: Lt. Clay Maloney
MOVIE • 1997

2 Days in the Valley
Character: Roy Foxx
MOVIE • 1996
Crew
Crew Credits

New Amsterdam
Role: Director
TV • 2018

New Amsterdam
Role: Executive Producer
TV • 2018

Philip K. Dick's Electric Dreams
Role: Director
TV • 2017

American Odyssey
Role: Executive Producer
TV • 2015

American Odyssey
Role: Story
TV • 2015

American Odyssey
Role: Teleplay
TV • 2015

American Odyssey
Role: Director
TV • 2015

American Odyssey
Role: Creator
TV • 2015

Deception
Role: Producer
TV • 2013

Lone Star
Role: Director
TV • 2010

The Philanthropist
Role: Director
TV • 2009

Dirty Sexy Money
Role: Producer
TV • 2007

Dirty Sexy Money
Role: Director
TV • 2007

Grey's Anatomy
Role: Director
TV • 2005

Grey's Anatomy
Role: Co-Executive Producer
TV • 2005

Line of Fire
Role: Director
TV • 2003

MDs
Role: Director
TV • 2002

The Shield
Role: Director
TV • 2002

Once and Again
Role: Director
TV • 1999

Brimstone
Role: Producer
TV • 1998