Robert Sean Leonard

★ Acting #4,025

1969 (57) • Acting

Born: 2/28/1969 (57) in Westwood, New Jersey, USA

Known for: Acting

Robert Sean Leonard

★ Acting #4,025

Robert Sean Leonard (born February 28, 1969) is an award-winning American actor.

Known For

The Good Doctor

85%

Shamus O'Malley

2017

Dead Poets Society

83%

Neil Perry

1989

House

86%

James Wilson

2004

Law & Order: Special Victims Unit

80%

Kenneth O'Dwyer

1999

The Blacklist

76%

Frederick Barnes

2013

Falling Skies

71%

Dr. Roger Kadar

2011

Much Ado About Nothing

70%

Claudio

1993

The Good Wife

76%

Del Paul

2009

Act One

100%

Tim

2026

The Gilded Age

77%

Matthew Forte

2022

The Hot Zone

72%

Walter Humbolt

2019

The Good Doctor

85%

Shamus O'Malley

2017

Battle Creek

70%

Brock

2015

The Blacklist

76%

Frederick Barnes

2013

House M.D.: The Doctor Directs

100%

2012

House: Swan Song

80%

Self

2012

Nantucket

100%

Narrator

2011

Falling Skies

71%

Dr. Roger Kadar

2011

Into the Deep: America, Whaling & The World

90%

Herman Melville (voice)

2010

The Good Wife

76%

Del Paul

2009

The Hottest State

55%

Thanks

2007

Eugene O’Neill: A Documentary Film

Self

2006

House

86%

James Wilson

2004

The I Inside

59%

Peter

2004

Working Shakespeare

Unknown

2003

A Painted House

71%

Jesse Chandler

2003

Reluctant Saint: Francis of Assisi

80%

2003

Tape

69%

Jon

2001

Chelsea Walls

43%

Terry

2001

Driven

52%

Demille Bly

2001

The Invention of Love

Young Housman

2001

A Glimpse of Hell

52%

LT(JG) Dan Meyer

2001

Wasteland

78%

Jesse's ex

1999

Law & Order: Special Victims Unit

80%

Kenneth O'Dwyer

1999

Ground Control

56%

Cruise

1998

The Last Days of Disco

63%

Tom

1998