★ 8.2 
Acting
Peter Gallagher
Peter Gallagher is best known for Grey's Anatomy, How I Met Your Mother, Family Guy and Law & Order: Special Victims Unit. Peter Gallagher was born on August 19, 1955. Peter Gallagher is 71 years old (born August 19, 1955).
- Born
- August 19, 1955 (71 years old)
- Place of birth
- New York City, New York, USA
Biography
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).
Known for
Filmography
- —Cruel IntentionsEdward Valmont
- 2025Everybody's Live with John MulaneyFuture John Mulaney
- 2022RebootTyler
- 2021Mr. MayorBrett (uncredited)
- 2020Stars in the HouseSelf
- 2020Zoey's Extraordinary PlaylistMitch Clarke
- 2020The Owl HouseDel Clawthorne (voice)
- 2019The Tamron Hall ShowSelf - Guest
- 2019Truth Be ToldAndrew Finney
- 2018The ConnersBrian Foster
- 2017The GiftedBenedict Ryan
- 2015Grace and FrankieNick Skolka
- 2015Man Seeking WomanJoel Greenberg
- 2015TogethernessLarry
- 2011WhitneyVince
- 2011New GirlGavin
- 2010Covert AffairsArthur Campbell
- 2009The Good WifeEthan Carver
- 2007CalifornicationDean Stacy Koons
- 2007The GatheringDr. Michael Foster
- 2006SharkFrank Bell
- 2006The Megan Mullally ShowSelf - Guest
- 2005How I Met Your MotherProfessor Vinick
- 2005The Late Late Show with Craig FergusonSelf
- 2005Grey's AnatomyDavid Hamilton
- 2004The Tony Danza ShowSelf
- 2004On Air with Ryan SeacrestSelf - The O.C.
- 2003The Ellen DeGeneres ShowSelf - Guest
- 2003The O.C.Sandy Cohen
- 2003Comedy Central RoastsSelf
- 2002Page to Screen
- 2001Good Day LiveSelf
- 1999Family GuyJared (voice)
- 1999Law & Order: Special Victims UnitWilliam Dodds
- 1998The Secret Lives of Men
- 1997The ViewSelf
- 1996Superman: The Animated SeriesKurt (voice)
- 1996TitanicWynn Park
- 1993Homicide: Life on the StreetChris Rawls
- 1993Late Night with Conan O'BrienSelf - Guest
- 1993Fallen AngelsMitch Allison
- 1991An Inconvenient WomanPhilip Quennell
- 1988LIVE with Kelly and MarkSelf
- 1988The Murder of Mary PhaganLeo Frank
- 1982American PlayhouseLogan Melton
- 1980Skag
- 1956Tony AwardsSelf - Performer
- 1951Hallmark Hall of FameHarry
Frequently asked questions
What movies and shows has Peter Gallagher been in?
Peter Gallagher is best known for Grey's Anatomy, How I Met Your Mother, Family Guy and Law & Order: Special Victims Unit.
When was Peter Gallagher born?
Peter Gallagher was born on August 19, 1955. (New York City, New York, USA)
How old is Peter Gallagher?
Peter Gallagher is 71 years old (born August 19, 1955).
Updated: October 27, 2026 ·