Robert Sean Leonard - Filmography

Act One Poster
Act One 2026
Role: Tim
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The Terror: Devil in Silver Poster
Role: Director Cleave, episodes: 1
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The Gilded Age Poster
Role: Matthew Forte, episodes: 7
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The Hot Zone Poster
The Hot Zone 2019–2021
Role: Walter Humbolt, episodes: 6
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The Good Doctor Poster
The Good Doctor 2017–2024
Role: Shamus O'Malley, episodes: 1
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Battle Creek Poster
Role: Brock, episodes: 1
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The Blacklist Poster
The Blacklist 2013–2023
Role: Frederick Barnes, episodes: 1
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Falling Skies Poster
Falling Skies 2011–2015
Role: Dr. Roger Kadar, episodes: 22
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The Good Wife Poster
The Good Wife 2009–2016
Role: Del Paul, episodes: 1
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House Poster
House 2004–2012 Leading
Role: James Wilson, episodes: 176
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The I Inside Poster
The I Inside 2004 Leading
Role: Peter
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Driven Poster
Driven 2001
Role: Demille Bly
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Law & Order: Special Victims Unit Poster
Role: Kenneth O'Dwyer, episodes: 3
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The Last Days of Disco Poster
Role: Tom
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The Outer Limits Poster
The Outer Limits 1995–2002
Role: Robby Archer, episodes: 1
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The Age of Innocence Poster
Role: Theodore "Ted" Archer
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Much Ado About Nothing Poster
Role: Claudio
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Swing Kids Poster
Swing Kids 1993 Leading
Role: Peter Müller
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Dead Poets Society Poster
Dead Poets Society 1989 Leading
Role: Neil Perry
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Going Live! Poster
Going Live! 1987–1993
Role: himself, episodes: 1
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The Manhattan Project Poster
Role: Max
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The Comedy Factory Poster
The Comedy Factory 1985–1986
Role: Garrett, episodes: 1
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Tony Awards Poster
Role: himself (nominee), episodes: 1
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