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.
2026Act OneMovieas Tim
2026The Terror: Devil in SilverTV showas Director Cleave · 1 episodes2022The Gilded AgeTV showas Matthew Forte · 7 episodes2019The Hot ZoneTV showas Walter Humbolt · 6 episodes2017The Good DoctorTV showas Shamus O'Malley · 1 episodes2015Battle CreekTV showas Brock · 1 episodes
2014Dead Poets in NYCMovieas Self2013The BlacklistTV showas Frederick Barnes · 1 episodes
2012House M.D.: The Doctor DirectsMovie
2012House: Swan SongMovieas Self2011Falling SkiesTV showas Dr. Roger Kadar · 22 episodes
2010Into the Deep: America, Whaling & The WorldMovieas Herman Melville (voice)2009The Good WifeTV showas Del Paul · 1 episodes
2007The Hottest StateMovieThanks
2006Eugene O’Neill: A Documentary FilmMovieas Self2004HouseTV showas James Wilson · 176 episodes2004The I InsideMovieas Peter
2003Working ShakespeareTV show5 episodes
2003A Painted HouseMovieas Jesse Chandler
2003Reluctant Saint: Francis of AssisiMovie2001TapeMovieas Jon
2001Chelsea WallsMovieas Terry2001DrivenMovieas Demille Bly
2001The Invention of LoveMovieas Young Housman
2001A Glimpse of HellMovieas LT(JG) Dan Meyer
1999WastelandTV showas Jesse's ex · 13 episodes1999Law & Order: Special Victims UnitTV showas Kenneth O'Dwyer · 3 episodes
1998Ground ControlMovieas Cruise1998The Last Days of DiscoMovieas Tom
1998StandoffMovieas Agent Jamie Doolin
1997In the GloamingMovieas Danny
1996Killer: A Journal of MurderMovieas Henry Lesser
1996I Love You, I Love You NotMovieas Angel of Death
1996The Boys Next DoorMovieas Barry Klemper1995The Outer LimitsTV showas Robby Archer · 1 episodes
1994Safe PassageMovieas Alfred
1994Normandy: The Great CrusadeMovieas Robert Sales (voice)1993The Age of InnocenceMovieas Theodore "Ted" Archer1993Much Ado About NothingMovieas Claudio1993Swing KidsMovieas Peter Müller
1991Married to ItMovieas Chuck Bishop
1990Mr. & Mrs. BridgeMovieas Douglas Bridge1989Dead Poets SocietyMovieas Neil Perry1987My Best Friend Is a VampireMovieas Jeremy Capello
1987Going Live!TV showas Self · 1 episodes
1987Bluffing ItMovieas Rusty Duggan1986The Manhattan ProjectMovieas Max
1986My Two LovesMovieas Larry Taylor
1985The Comedy FactoryTV showas Garrett · 1 episodes
1956Tony AwardsTV showas Self - Nominee · 1 episodes