Robert Sean Leonard

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 the medical TV drama House and in the film Dead Poets Society.

Known For

Law & Order: Special Victims Unit

The Blacklist

House

The Good Doctor

The Good Wife

Tony Awards

The Outer Limits

Falling Skies

All Movies (34)

• Act One2026 · as Tim
• House M.D.: The Doctor Directs2012
• House: Swan Song2012 · as 罗伯特·肖恩·莱纳德
• Nantucket2011 · as Narrator
• Into the Deep: America, Whaling & The World2010 · as Herman Melville (voice)
• Eugene O’Neill: A Documentary Film2006 · as Self
• The I Inside2004 · as Peter
• A Painted House2003 · as Jesse Chandler
• Reluctant Saint: Francis of Assisi2003
• Tape2001 · as Jon
• Chelsea Walls2001 · as Terry
• Driven2001 · as Demille Bly
• The Invention of Love2001 · as Young Housman
• A Glimpse of Hell2001 · as LT(JG) Dan Meyer
• Ground Control1998 · as Cruise
• The Last Days of Disco1998 · as Tom
• Standoff1998 · as Agent Jamie Doolin
• In the Gloaming1997 · as Danny
• Killer: A Journal of Murder1996 · as Henry Lesser
• I Love You, I Love You Not1996 · as Angel of Death
• The Boys Next Door1996 · as Barry Klemper
• Safe Passage1994 · as Alfred
• Normandy: The Great Crusade1994 · as Robert Sales (voice)
• The Age of Innocence1993 · as Theodore "Ted" Archer
• Much Ado About Nothing1993 · as Claudio
• Swing Kids1993 · as Peter Müller
• Married to It1991 · as Chuck Bishop
• Mr. & Mrs. Bridge1990 · as Douglas Bridge
• Dead Poets Society1989 · as Neil Perry
• My Best Friend Is a Vampire1987 · as Jeremy Capello
• Bluffing It1987 · as Rusty Duggan
• The Manhattan Project1986 · as Max
• My Two Loves1986 · as Larry Taylor
• RSC Meets USA: Working Shakespeare— · as Self

All TV Shows (17)

• The Terror: Devil in Silver2026 · as Director Cleave
• The Gilded Age2022 · as Matthew Forte
• The Hot Zone2019 · as Walter Humbolt
• The Good Doctor2017 · as Shamus O'Malley
• Battle Creek2015 · as Brock
• The Blacklist2013 · as Frederick Barnes
• Falling Skies2011 · as Dr. Roger Kadar
• The Good Wife2009 · as Del Paul
• House2004 · as James Wilson
• Working Shakespeare2003
• Wasteland1999 · as Jesse's ex
• Law & Order: Special Victims Unit1999 · as Kenneth O'Dwyer
• The Outer Limits1995 · as Robby Archer
• Going Live!1987 · as Self
• The Comedy Factory1985 · as Garrett
• Tony Awards1956 · as Self - Nominee
• Hallmark Hall of Fame1951 · as Jesse Chandler