Robert Sean Leonard
An American actor equally at home on screen and the New York stage. Born in Westwood, New Jersey, Robert Sean Leonard broke through as the tragic Neil Perry in Peter Weir's 'Dead Poets Society' (1989), a performance that made him a touchstone of coming-of-age cinema. He later won a Tony Award for Broadway's 'The Invention of Love' and found long-running television fame as Dr. Wilson opposite Hugh Laurie. A thoughtful, understated American actor who balanced a celebrated film debut with an enduring commitment to theatre.
Robert Sean Leonard
21 Movies
12 Series
An American actor equally at home on screen and the New York stage. Born in Westwood, New Jersey, Robert Sean Leonard broke through as the tragic Neil Perry in Peter Weir's 'Dead Poets Society' (1989), a performance that made him a touchstone of coming-of-age cinema. He later won a Tony Award for Broadway's 'The Invention of Love' and found long-running television fame as Dr. Wilson opposite Hugh Laurie. A thoughtful, understated American actor who balanced a celebrated film debut with an enduring commitment to theatre.
Movies
Plays Neil Perry
Dead Poets Society
1989
Plays Theodore "Ted" Archer
The Age of Innocence
1993
Plays Claudio
Much Ado About Nothing
1993
Plays Demille Bly
Driven
2001
Plays Peter Müller
Swing Kids
1993
Plays Tom
The Last Days of Disco
1998
Plays Peter
The I Inside
2004
Plays Max
The Manhattan Project
1986
Plays Jeremy Capello
My Best Friend Is a Vampire
1987
Plays Jon
Tape
2001
Plays Cruise
Ground Control
1998
Plays Douglas Bridge
Mr. & Mrs. Bridge
1990
Plays Henry Lesser
Killer: A Journal of Murder
1996
Plays Angel of Death
I Love You, I Love You Not
1996
Plays Chuck Bishop
Married to It
1991
Plays Alfred
Safe Passage
1994
Plays Terry
Chelsea Walls
2001
Plays Agent Jamie Doolin
Standoff
1998
Plays Larry Taylor
My Two Loves
1986
TV Shows
Plays James Wilson
House
2004
Plays Dr. Roger Kadar
Falling Skies
2011
Plays Jesse's ex
Wasteland
1999
Plays Matthew Forte
The Gilded Age
2022
Plays Walter Humbolt
The Hot Zone
2019
Plays Jesse Chandler
Hallmark Hall of Fame
1951
Plays Robby Archer
The Outer Limits
1995
Plays Frederick Barnes
The Blacklist
2013
Plays Del Paul
The Good Wife
2009
Plays Brock
Battle Creek
2015
Plays Shamus O'Malley
The Good Doctor
2017
Plays Director Cleave
The Terror: Devil in Silver
2026
Latest Trailers
Watch Trailer
The I Inside
Full Filmography
The Terror: Devil in Silver
Director Cleave · 1 episode
2026
TV
Act One
Tim
2026
Film
The Gilded Age
Matthew Forte · 7 episodes
2023
TV
The Hot Zone
Walter Humbolt · 6 episodes
2019
TV
The Good Doctor
Shamus O'Malley · 1 episode
2019
TV
Battle Creek
Brock · 1 episode
2015
TV
The Good Wife
Del Paul · 1 episode
2014
TV
The Blacklist
Frederick Barnes · 1 episode
2013
TV
Falling Skies
Dr. Roger Kadar · 22 episodes
2011–
TV
Photos
Frequently Asked Questions
How old is Robert Sean Leonard and where are they from?
Robert Sean Leonard is 57 years old, born on February 28, 1969 in Westwood, New Jersey, USA.
What are the most famous roles of Robert Sean Leonard?
Robert Sean Leonard is best known for roles in Dead Poets Society, The Age of Innocence, Driven.
How many movies has Robert Sean Leonard been in?
Over a 40-year career (since 1986), Robert Sean Leonard has appeared in 21 movies and 12 TV shows.
What was Robert Sean Leonard's first movie?
The career of Robert Sean Leonard began with My Two Loves (1986).
What is Robert Sean Leonard's most recent movie or series?
Robert Sean Leonard's most recent release is Act One, which premiered on June 10, 2026.
What TV shows has Robert Sean Leonard appeared in?
On television, Robert Sean Leonard has appeared in The Good Doctor, House, Law & Order: Special Victims Unit, The Blacklist.
Robert Sean Leonard
1969-02-28 · 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 roles on the medical TV drama House and in the film Dead Poets Society.