Acting · New York City, New York, USA · Born August 19, 1955
Peter Killian Gallagher (born August 19, 1955) is an American actor. He is best known for his roles in the films Sex, Lies, and Videotape (1989), American Beauty (1999), and Palm Springs (2020).
MovieTOVAH
2026
as Self
TVEverybody's Live with John Mulaney
2025
as Future John Mulaney
MovieHumane
2024
as Charles York
TVReboot
2022
as Tyler
MovieThe Day the Music Died: The Story of Don McLean's "American Pie"
2022
as Self
MovieZoey's Extraordinary Christmas
2021
as Mitch Clarke
MovieOne December Night
2021
as Mike
TVMr. Mayor
2021
as Brett (uncredited)
MovieOne Night Only: The Best of Broadway
2020
as Self
MoviePalm Springs
2020
as Howard
TVStars in the House
2020
as Self
TVThe Owl House
2020
as Del Clawthorne (voice)
TVZoey's Extraordinary Playlist
2020
as Mitch Clarke
TVTruth Be Told
2019
as Andrew Finney
TVTamron Hall
2019
as Self - Guest
MovieAfter
2019
as Ken Scott
MovieStepdaddy
2019
TVThe Conners
2018
as Brian Foster
Something in the Air: Making "sex, lies, and videotape"
2018
as Self
MovieSubmission
2018
as Len
TVThe Gifted
2017
as Benedict Ryan
MovieA Bad Moms Christmas
2017
as Hank Mitchell
MovieLiterally, Right Before Aaron
2017
as Orson Schwartzman
MovieCenter Stage: On Pointe
2016
as Jonathan Reeves
MovieCruel Intentions
2016
as Edward Valmont
MovieHello, My Name Is Doris
2015
as Willy Williams
TVGrace and Frankie
2015
as Nick Skolka
MovieIn a Relationship
2015
as The Interviewer (voice)
TVMan Seeking Woman
2015
as Joel Greenberg
TVTogetherness
2015
as Larry
MovieDeTour
2015
as Professor Zaring
MovieStep Up Revolution
2012
as Bill Anderson
MovieSomeday This Pain Will Be Useful to You
2012
as Paul Sveck
TVWhitney
2011
as Vince
TVNew Girl
2011
as Gavin
MovieBurlesque
2010
as Vince Scali
MovieConviction
2010
as Barry Scheck
TVCovert Affairs
2010
as Arthur Campbell
MovieGasHole
2010
as Narrator (voice)
TVThe Good Wife
2009
as Ethan Carver
MovieAdam
2009
as Marty Buchwald
MovieThe War Boys
2009
as Slater
MovieCenter Stage: Turn It Up
2008
as Jonathan Reeves
TVThe Gathering
2007
as Dr. Michael Foster
TVCalifornication
2007
as Dean Stacy Koons
TVShark
2006
as Frank Bell
TVThe Megan Mullally Show
2006
as Self - Guest
TVHow I Met Your Mother
2005
as Professor Vinick
TVGrey's Anatomy
2005
as David Hamilton
TVThe Late Late Show with Craig Ferguson
2005
as Self
MovieBroadway's Lost Treasures II
2004
as Sky Masterson (segment "Guys & Dolls")
The Tony Danza Show
2004
as Self
TVOn Air with Ryan Seacrest
2004
as Self - The O.C.
TVThe Ellen DeGeneres Show
2003
as Self - Guest
MovieComedy Central Roast of Denis Leary
2003
as Self
TVComedy Central Roasts
2003
as Self
MovieThe Adventures of Tom Thumb and Thumbelina
2003
as The Mole King (voice)
TVThe O.C.
2003
as Sandy Cohen
MovieHow to Deal
2003
as Len Martin
MovieA Tale of Two Wives
2003
as Bill Goodman
MovieMagic Time: A Tribute to Jack Lemmon
2002
as Self
MoviePage to Screen: 'The Silence of the Lambs'
2002
as Host
Page to Screen
2002
MovieMr. Deeds
2002
as Chuck Cedar
MovieFeast of All Saints
2001
as Philippe Ferronaire
MovieProtection
2001
as Ted
Good Day Live
2001
as Self
MoviePerfume
2001
as Guido
MovieMy Favorite Broadway: The Love Songs
2001
as Self
MovieThe Last Debate
2000
as Tom Chapman
MovieAmerican Beauty: Look Closer...
2000
as Self
MovieJesus Christ Superstar
2000
as First Priest
MovieCenter Stage
2000
as Jonathan Reeves
MovieCupid & Cate
2000
as Harry
MovieOther Voices
2000
as Jordin
MovieBrotherhood of Murder
1999
as Bob Matthews
MovieHouse on Haunted Hill
1999
as Donald W. Blackburn, M.D.
TVLaw & Order: Special Victims Unit
1999
as William Dodds
MovieAmerican Beauty
1999
as Buddy Kane
TVFamily Guy
1999
as Jared (voice)
TVThe Secret Lives of Men
1998
MovieBrave New World
1998
as Bernard Marx
MovieVirtual Obsession
1998
as Dr. Joe Messenger
MovieJohnny Skidmarks
1998
as Johnny Scardino
MovieThe Man Who Knew Too Little
1997
as James Ritchie
TVThe View
1997
as Self
MovieCafe Society
1997
as Jack Kale
MoviePath to Paradise: The Untold Story of the World Trade Center Bombing
1997
as John Anticev
MovieThe Trial of Adolf Eichmann
1997
as Gideon Hausner (voice)
TVTitanic
1996
as Wynn Park
MovieTo Gillian on Her 37th Birthday
1996
as David Lewis
TVSuperman: The Animated Series
1996
as Kurt (voice)
MovieCannes Man
1996
as Self
MovieLast Dance
1996
as John Hayes
The Great Irish Famine
1996
as narrator
MovieThe Underneath
1995
as Michael Chambers
MovieWhile You Were Sleeping
1995
as Peter Callaghan
Everybody Just Stay Calm
1994
as Self
MovieMrs. Parker and the Vicious Circle
1994
as Alan Campbell
MovieWhite Mile
1994
as Jack Robbins
MovieThe Hudsucker Proxy
1994
as Vic Tenetta
MovieShort Cuts
1993
as Stormy Weathers
MovieMother's Boys
1993
as Robert Madigan
MovieMalice
1993
as Atty. Dennis Riley
TVLate Night with Conan O'Brien
1993
as Self - Guest
TVFallen Angels
1993
as Mitch Allison
MovieWatch It
1993
as John
MovieLuck, Trust & Ketchup: Robert Altman in Carver Country
1993
as Self
TVHomicide: Life on the Street
1993
as Chris Rawls
MovieGuys and Dolls: Off the Record
1992
as Himself / Sky Masterson
MovieBob Roberts
1992
as Dan Riley
MovieBuying a Landslide
1992
as Philip Kautsky
MovieThe Player
1992
as Larry Levy
MovieRobert Altman's Players
1992
as Self
MovieThe Cabinet of Dr. Ramirez
1991
as Matt
MovieLate for Dinner
1991
as Bob Freeman
MovieMilena
1991
as Pollak
TVAn Inconvenient Woman
1991
as Philip Quennell
MovieTune in Tomorrow...
1990
as Richard Quince
MovieLove and Lies
1990
as David West
Moviesex, lies, and videotape
1989
as John Mullany
MovieI'll Be Home for Christmas
1988
as Aaron Copler
MovieHigh Spirits
1988
as Brother Tony
TVLIVE with Kelly and Mark
1988
as Self
MovieThe Caine Mutiny Court-Martial
1988
as Lt. Cmdr. John Challee
TVThe Murder of Mary Phagan
1988
as Leo Frank
MovieLong Day's Journey Into Night
1987
as Edmund Tyrone
MovieMy Little Girl
1986
as Kai
MovieDreamchild
1985
as Jack Dolan
MovieTerrible Joe Moran
1984
as Nick
MovieSummer Lovers
1982
as Michael Pappas
TVAmerican Playhouse
1982
as Logan Melton
MovieThe Idolmaker
1980
as Caesare
MovieSkag
1980
as John Skagska
Skag
1980
TVTony Awards
1956
as Self - Performer
TVHallmark Hall of Fame
1951
as Harry
MovieBroadway: The Next Generation
as Self
New Line: Independent Legacies
as Self (archive footage)
Cruel Intentions
as Edward Valmont
