Robert Sean Leonard
Known for acting · Born 28 February 1969 · 57 · Westwood, New Jersey, USA
53 credits
Robert Sean Leonard (born February 28, 1969) is an award-winning American actor. He has regularly starred in Broadway and off-Broadway productions, but is most known for his roles on the medical TV drama House and in the film Dead Poets Society.
Known for
House
2004
Dead Poets Society
1989
Falling Skies
2011
Tape
2001
Swing Kids
1993
My Best Friend Is a Vampire
1987
The I Inside
2004
Ground Control
1998
The Last Days of Disco
1998
The Gilded Age
2022
Law & Order: Special Victims Unit
1999
Killer: A Journal of Murder
1996
Acting (52)
2026The Terror: Devil in SilverDirector CleaveSeries
2026Act OneTimFilm
2022The Gilded AgeMatthew Forte · 7 episodesSeries
2019The Hot ZoneWalter Humbolt · 6 episodesSeries
2017The Good DoctorShamus O'MalleySeries
2015Battle CreekBrockSeries
2014Dead Poets in NYCSelfFilm
2013The BlacklistFrederick BarnesSeries
2012House M.D.: The Doctor DirectsFilm
2012House: Swan SongSelfFilm
2011Falling SkiesDr. Roger Kadar · 22 episodesSeries
2011NantucketNarratorFilm
2010Into the Deep: America, Whaling & The WorldHerman Melville (voice)Film
2009The Good WifeDel PaulSeries
2006Eugene O’Neill: A Documentary FilmSelfFilm
2004HouseJames Wilson · 176 episodesSeries
2004The I InsidePeterFilm
2003A Painted HouseJesse ChandlerFilm
2003Reluctant Saint: Francis of AssisiFilm
2003Working Shakespeare · 5 episodesSeries
2001DrivenDemille BlyFilm
2001TapeJonFilm
2001Chelsea WallsTerryFilm
2001A Glimpse of HellLT(JG) Dan MeyerFilm
2001The Invention of LoveYoung HousmanFilm
1999Law & Order: Special Victims UnitKenneth O'Dwyer · 3 episodesSeries
1999WastelandJesse's ex · 13 episodesSeries
1998The Last Days of DiscoTomFilm
1998Ground ControlCruiseFilm
1998StandoffAgent Jamie DoolinFilm
1997In the GloamingDannyFilm
1996Killer: A Journal of MurderHenry LesserFilm
1996I Love You, I Love You NotAngel of DeathFilm
1996The Boys Next DoorBarry KlemperFilm
1995The Outer LimitsRobby ArcherSeries
1994Safe PassageAlfredFilm
1994Normandy: The Great CrusadeRobert Sales (voice)Film
1993The Age of InnocenceTheodore "Ted" ArcherFilm
1993Much Ado About NothingClaudioFilm
1993Swing KidsPeter MüllerFilm
1991Married to ItChuck BishopFilm
1990Mr. & Mrs. BridgeDouglas BridgeFilm
1989Dead Poets SocietyNeil PerryFilm
1987My Best Friend Is a VampireJeremy CapelloFilm
1987Going Live!SelfSeries
1987Bluffing ItRusty DugganFilm
1986The Manhattan ProjectMaxFilm
1986My Two LovesLarry TaylorFilm
1985The Comedy FactoryGarrettSeries
1956Tony AwardsSelf - NomineeSeries
1951Hallmark Hall of FameJesse ChandlerSeries
—RSC Meets USA: Working ShakespeareSelfFilm
Crew (1)
2007The Hottest StateThanksFilm