Biography
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 House and in Dead Poets Society.
Filmography
Cast Credits

The Gilded Age
Character: Matthew Forte
TV • 2022

The Hot Zone
Character: Walter Humbolt
TV • 2019

The Good Doctor
Character: Shamus O'Malley
TV • 2017

Battle Creek
Character: Brock
TV • 2015

The Blacklist
Character: Frederick Barnes
TV • 2013
Nantucket
Character: Narrator
MOVIE • 2011

Into the Deep: America, Whaling & The World
Character: Herman Melville (voice)
MOVIE • 2010

The Good Wife
Character: Del Paul
TV • 2009

Eugene O’Neill: A Documentary Film
Character: Self
MOVIE • 2006

Dead Poets: A Look Back
Character:
MOVIE • 2006

House
Character: James Wilson
TV • 2004

The I Inside
Character: Peter
MOVIE • 2004

Working Shakespeare
Character:
TV • 2003

A Painted House
Character: Jesse Chandler
MOVIE • 2003

Tape
Character: Jon
MOVIE • 2001

Chelsea Walls
Character: Terry Olsen
MOVIE • 2001

Driven
Character: Demille Bly
MOVIE • 2001

The Invention of Love
Character: Young Housman
MOVIE • 2001

A Glimpse of Hell
Character: LT(JG) Dan Meyer
MOVIE • 2001

Wasteland
Character: Jesse's ex
TV • 1999
Crew