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).
2026TOVAHMovieas Self
2025Everybody's Live with John MulaneyTV showas Future John Mulaney · 1 episodes
2024HumaneMovieas Charles York
2022RebootTV showas Tyler · 1 episodes
2022The Day the Music Died: The Story of Don McLean's "American Pie"Movieas Self
2021Zoey's Extraordinary ChristmasMovieas Mitch Clarke
2021One December NightMovieas Mike
2021Mr. MayorTV showas Brett (uncredited) · 1 episodes
2020One Night Only: The Best of BroadwayMovieas Self2020Palm SpringsMovieas Howard
2020Stars in the HouseTV showas Self · 1 episodes2020The Owl HouseTV showas Del Clawthorne (voice) · 1 episodes
2020Zoey's Extraordinary PlaylistTV showas Mitch Clarke · 15 episodes
2019Truth Be ToldTV showas Andrew Finney · 5 episodes
2019The Tamron Hall ShowTV showas Self - Guest · 1 episodes2019AfterMovieas Ken Scott
2019StepdaddyMovie
2018The ConnersTV showas Brian Foster · 1 episodes
2018SubmissionMovieas Len2017The GiftedTV showas Benedict Ryan · 5 episodes2017A Bad Moms ChristmasMovieas Hank
2017Literally, Right Before AaronMovieas Orson Schwartzman
2016Center Stage: On PointeMovieas Jonathan Reeves
2016Cruel IntentionsMovieas Edward Valmont
2015Hello, My Name Is DorisMovieas Willy Williams
2015Grace and FrankieTV showas Nick Skolka · 24 episodes
2015In a RelationshipMovieas The Interviewer (voice)
2015Man Seeking WomanTV showas Joel Greenberg · 1 episodes
2015TogethernessTV showas Larry · 9 episodes
2015DeTourMovieas Professor Zaring2012Step Up RevolutionMovieas Bill Anderson
2012Someday This Pain Will Be Useful to YouMovieas Paul Sveck
2011WhitneyTV showas Vince · 3 episodes2011New GirlTV showas Gavin · 4 episodes2010BurlesqueMovieas Vince Scali
2010ConvictionMovieas Barry Scheck
2010Covert AffairsTV showas Arthur Campbell · 75 episodes
2010GasHoleMovieas Narrator (voice)
2009The Good WifeTV showas Ethan Carver · 3 episodes
2009AdamMovieas Marty Buchwald
2009The War BoysMovieas Slater
2008Center Stage: Turn It UpMovieas Jonathan Reeves
2007The GatheringTV showas Dr. Michael Foster · 6 episodes2007CalifornicationTV showas Dean Stacy Koons · 8 episodes
2006SharkTV showas Frank Bell · 1 episodes
2006The Megan Mullally ShowTV showas Self - Guest · 1 episodes2005How I Met Your MotherTV showas Professor Vinick · 1 episodes2005Grey's AnatomyTV showas David Hamilton · 9 episodes
2005The Late Late Show with Craig FergusonTV showas Self · 1 episodes
2004Broadway's Lost Treasures IIMovieas Sky Masterson (segment "Guys & Dolls")
2004On Air with Ryan SeacrestTV showas Self - The O.C. · 1 episodes
2003The Ellen DeGeneres ShowTV showas Self - Guest · 1 episodes
2003Comedy Central Roast of Denis LearyMovieas Self
2003Comedy Central RoastsTV showas Self · 1 episodes
2003The Adventures of Tom Thumb and ThumbelinaMovieas The Mole King (voice)
2003The O.C.TV showas Sandy Cohen · 92 episodes
2003How to DealMovieas Len Martin
2003A Tale of Two WivesMovieas Bill Goodman
2002Magic Time: A Tribute to Jack LemmonMovieas Self
2002Page to Screen: 'The Silence of the Lambs'Movieas Host
2002Page to ScreenTV show12 episodes2002Mr. DeedsMovieas Chuck Cedar
2001Feast of All SaintsMovieas Philippe Ferronaire
2001ProtectionMovieas Ted
2001Good Day LiveTV showas Self · 1 episodes
2001PerfumeMovieas Guido
2001My Favorite Broadway: The Love SongsMovieas Self
2000The Last DebateMovieas Tom Chapman
2000American Beauty: Look Closer...Movieas Self
2000Jesus Christ SuperstarMovieas First Priest
2000Center StageMovieas Jonathan Reeves
2000Cupid & CateMovieas Harry
2000Other VoicesMovieas Jordin
1999Brotherhood of MurderMovieas Bob Matthews1999House on Haunted HillMovieas Donald W. Blackburn, M.D.1999Law & Order: Special Victims UnitTV showas William Dodds · 19 episodes1999American BeautyMovieas Buddy Kane1999Family GuyTV showas Jared (voice) · 1 episodes
1998The Secret Lives of MenTV show13 episodes
1998Brave New WorldMovieas Bernard Marx
1998Virtual ObsessionMovieas Dr. Joe Messenger
1998Johnny SkidmarksMovieas Johnny Scardino
1997The Man Who Knew Too LittleMovieas James Ritchie
1997The ViewTV showas Self · 1 episodes
1997Cafe SocietyMovieas Jack Kale
1997Path to Paradise: The Untold Story of the World Trade Center BombingMovieas John Anticev
1997The Trial of Adolf EichmannMovieas Gideon Hausner (voice)
1996TitanicTV showas Wynn Park · 2 episodes
1996To Gillian on Her 37th BirthdayMovieas David Lewis
1996Superman: The Animated SeriesTV showas Kurt (voice) · 1 episodes
1996Cannes ManMovieas Self
1996Last DanceMovieas John Hayes
1995The UnderneathMovieas Michael Chambers1995While You Were SleepingMovieas Peter Callaghan
1994Mrs. Parker and the Vicious CircleMovieas Alan Campbell
1994White MileMovieas Jack Robbins1994The Hudsucker ProxyMovieas Vic Tenetta
1993Short CutsMovieas Stormy Weathers
1993Mother's BoysMovieas Robert Madigan
1993MaliceMovieas Atty. Dennis Riley
1993Late Night with Conan O'BrienTV showas Self - Guest · 7 episodes
1993Fallen AngelsTV showas Mitch Allison · as Dr. Yorgrau · 1 episodes
1993Watch ItMovieas John
1993Luck, Trust & Ketchup: Robert Altman in Carver CountryMovieas Self
1993Homicide: Life on the StreetTV showas Chris Rawls · 1 episodes
1992Guys and Dolls: Off the RecordMovieas Himself / Sky Masterson
1992Bob RobertsMovieas Dan Riley
1992Buying a LandslideMovieas Philip Kautsky1992The PlayerMovieas Larry Levy
1992Robert Altman's PlayersMovieas Self
1991The Cabinet of Dr. RamirezMovieas Matt · Story
1991Late for DinnerMovieas Bob Freeman
1991MilenaMovieas Pollak
1991An Inconvenient WomanTV showas Philip Quennell · 2 episodes
1990Tune in Tomorrow...Movieas Richard Quince
1990Love and LiesMovieas David West1989sex, lies, and videotapeMovieas John Mullany
1988I'll Be Home for ChristmasMovieas Aaron Copler
1988High SpiritsMovieas Brother Tony
1988LIVE with Kelly and MarkTV showas Self · 1 episodes
1988The Caine Mutiny Court-MartialMovieas Lt. Cmdr. John Challee
1988The Murder of Mary PhaganTV showas Leo Frank · 2 episodes
1987Long Day's Journey Into NightMovieas Edmund Tyrone
1986My Little GirlMovieas Kai
1985DreamchildMovieas Jack Dolan
1984Terrible Joe MoranMovieas Nick
1982Summer LoversMovieas Michael Pappas
1982American PlayhouseTV showas Logan Melton · as Charles Castle · 1 episodes
1980The IdolmakerMovieas Caesare
1980SkagMovieas John Skagska
1956Tony AwardsTV showas Self - Performer · 1 episodes
—Broadway: The Next GenerationMovieas Self