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Robert Sean Leonard
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Robert Sean Leonard

Actor

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1969Born, Westwood
47Credits

​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

Dead Poets SocietyNeil Perry
The Good DoctorShamus O'MalleyHouseJames WilsonLaw & Order: Special Victims UnitKenneth O'DwyerThe BlacklistFrederick Barnes

Credits

AllMoviesShows
2026The Terror: Devil in SilverDirector Cleave · 1 episodeShow
2022The Gilded AgeMatthew Forte · 7 episodesShow
2019The Hot ZoneWalter Humbolt · 6 episodesShow
2017The Good DoctorShamus O'Malley · 1 episodeShow
2015Battle CreekBrock · 1 episodeShow
2013The BlacklistFrederick Barnes · 1 episodeShow
2011Falling SkiesDr. Roger Kadar · 22 episodesShow
2009The Good WifeDel Paul · 1 episodeShow
2004HouseJames Wilson · 176 episodesShow
2003Working Shakespeare5 episodesShow
1999WastelandJesse's ex · 13 episodesShow
1999Law & Order: Special Victims UnitKenneth O'Dwyer · 3 episodesShow
1995The Outer LimitsRobby Archer · 1 episodeShow
1985The Comedy FactoryGarrett · 1 episodeShow
1951Hallmark Hall of FameJesse Chandler · 1 episodeShow

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