Robert Sean Leonard

Person

Robert Sean Leonard

Acting 57 February 28, 1969

Westwood, New Jersey, USA

​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 rol…

IMDb

Known for

Popular titles

The Good Doctor

The Good Doctor

8.5 2017 TV Show
Dead Poets Society

Dead Poets Society

8.3 1989 Movie
House

House

8.6 2004 TV Show
Law & Order: Special Victims Unit

Law & Order: Special Victims Unit

8.0 1999 TV Show
The Blacklist

The Blacklist

7.6 2013 TV Show
Falling Skies

Falling Skies

7.1 2011 TV Show
The Good Wife

The Good Wife

7.6 2009 TV Show
The Age of Innocence

The Age of Innocence

7.0 1993 Movie
Driven

Driven

5.2 2001 Movie
Much Ado About Nothing

Much Ado About Nothing

7.0 1993 Movie
The Outer Limits

The Outer Limits

7.7 1995 TV Show
The Gilded Age

The Gilded Age

7.7 2022 TV Show

Photos

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Biography

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​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.

Filmography

Movies and shows, newest first

  1. 2026
    Act One

    Movie Tim

  2. 2026
    The Terror: Devil in Silver

    TV show Director Cleave

  3. 2022
    The Gilded Age

    TV show Matthew Forte

  4. 2019
    The Hot Zone

    TV show Walter Humbolt

  5. 2017
    The Good Doctor

    TV show Shamus O'Malley

  6. 2015
    Battle Creek

    TV show Brock

  7. 2013
    The Blacklist

    TV show Frederick Barnes

  8. 2012
    House M.D.: The Doctor Directs

    Movie

  9. 2012
    House: Swan Song

    Movie Self

  10. 2011
    Nantucket

    Movie Narrator

  11. 2011
    Falling Skies

    TV show Dr. Roger Kadar

  12. 2010
    Into the Deep: America, Whaling & The World

    Movie Herman Melville (voice)

  13. 2009
    The Good Wife

    TV show Del Paul

  14. 2007
    The Hottest State

    Movie Thanks

  15. 2006
    Eugene O’Neill: A Documentary Film

    Movie Self

  16. 2004
    House

    TV show James Wilson

More credits
  1. 2004
    The I Inside

    Movie Peter

  2. 2003
    Working Shakespeare

    TV show

  3. 2003
    A Painted House

    Movie Jesse Chandler

  4. 2003
    Reluctant Saint: Francis of Assisi

    Movie

  5. 2001
    Tape

    Movie Jon

  6. 2001
    Chelsea Walls

    Movie Terry

  7. 2001
    Driven

    Movie Demille Bly

  8. 2001
    The Invention of Love

    Movie Young Housman

  9. 2001
    A Glimpse of Hell

    Movie LT(JG) Dan Meyer

  10. 1999
    Wasteland

    TV show Jesse's ex

  11. 1999
    Law & Order: Special Victims Unit

    TV show Kenneth O'Dwyer

  12. 1998
    Ground Control

    Movie Cruise

  13. 1998
    The Last Days of Disco

    Movie Tom

  14. 1998
    Standoff

    Movie Agent Jamie Doolin

  15. 1997
    In the Gloaming

    Movie Danny

  16. 1996
    Killer: A Journal of Murder

    Movie Henry Lesser

  17. 1996
    I Love You, I Love You Not

    Movie Angel of Death

  18. 1996
    The Boys Next Door

    Movie Barry Klemper

  19. 1995
    The Outer Limits

    TV show Robby Archer

  20. 1994
    Safe Passage

    Movie Alfred

  21. 1994
    Normandy: The Great Crusade

    Movie Robert Sales (voice)

  22. 1993
    The Age of Innocence

    Movie Theodore "Ted" Archer

  23. 1993
    Much Ado About Nothing

    Movie Claudio

  24. 1993
    Swing Kids

    Movie Peter Müller