Movies (Acting Roles)
House: Swan Song
Robert Sean Leonard was 43 in House: Swan Song Movie Released: Mon, May 21 2012
Nantucket
Robert Sean Leonard was 42 in Nantucket as 'Narrator'.Movie Released: Tue, Nov 29 2011
The I Inside
Robert Sean Leonard was 35 in The I Inside as 'Peter'.Movie Released: Sun, Mar 21 2004
A Painted House
Robert Sean Leonard was 34 in A Painted House as 'Jesse Chandler'.Movie Released: Sun, Apr 27 2003
Tape
Robert Sean Leonard was 32 in Tape as 'Jon'.Movie Released: Fri, Nov 02 2001
Chelsea Walls
Robert Sean Leonard was 32 in Chelsea Walls as 'Terry Olsen'.Movie Released: Fri, Sep 21 2001
Driven
Robert Sean Leonard was 32 in Driven as 'Demille Bly'.Movie Released: Fri, Apr 27 2001
The Invention of Love
Robert Sean Leonard was 32 in The Invention of Love as 'Young Housman'.Movie Released: Thu, Mar 29 2001
A Glimpse of Hell
Robert Sean Leonard was 32 in A Glimpse of Hell as 'LT(JG) Dan Meyer'.Movie Released: Sun, Mar 18 2001
Ground Control
Robert Sean Leonard was 29 in Ground Control as 'Cruise'.Movie Released: Wed, Aug 26 1998
The Last Days of Disco
Robert Sean Leonard was 29 in The Last Days of Disco as 'Tom'.Movie Released: Fri, May 29 1998
Standoff
Robert Sean Leonard was 28 in Standoff as 'Agent Jamie Doolin'.Movie Released: Sun, Jan 11 1998
In the Gloaming
Robert Sean Leonard was 28 in In the Gloaming as 'Danny'.Movie Released: Sun, Apr 20 1997
Killer: A Journal of Murder
Robert Sean Leonard was 27 in Killer: A Journal of Murder as 'Henry Lesser'.Movie Released: Fri, Sep 06 1996
I Love You, I Love You Not
Robert Sean Leonard was 27 in I Love You, I Love You Not as 'Angel of Death'.Movie Released: Wed, Aug 28 1996
The Boys Next Door
Robert Sean Leonard was 26 in The Boys Next Door as 'Barry Klemper'.Movie Released: Sun, Feb 04 1996
Safe Passage
Robert Sean Leonard was 25 in Safe Passage as 'Alfred'.Movie Released: Thu, Dec 01 1994
Normandy: The Great Crusade
Robert Sean Leonard was 24 in Normandy: The Great Crusade as 'Robert Sales (voice)'.Movie Released: Sat, Jan 01 1994
The Age of Innocence
Robert Sean Leonard was 24 in The Age of Innocence as 'Theodore "Ted" Archer'.Movie Released: Fri, Sep 10 1993
Much Ado About Nothing
Robert Sean Leonard was 24 in Much Ado About Nothing as 'Claudio'.Movie Released: Fri, May 07 1993
Swing Kids
Robert Sean Leonard was 24 in Swing Kids as 'Peter Müller'.Movie Released: Fri, Mar 05 1993
Married to It
Robert Sean Leonard was 22 in Married to It as 'Chuck Bishop'.Movie Released: Wed, Sep 11 1991
Mr. & Mrs. Bridge
Robert Sean Leonard was 21 in Mr. & Mrs. Bridge as 'Douglas Bridge'.Movie Released: Fri, Nov 23 1990
Dead Poets Society
Robert Sean Leonard was 20 in Dead Poets Society as 'Neil Perry'.Movie Released: Fri, Jun 02 1989
My Best Friend Is a Vampire
Robert Sean Leonard was 18 in My Best Friend Is a Vampire as 'Jeremy Capello'.Movie Released: Thu, Oct 01 1987
Bluffing It
Robert Sean Leonard was 18 in Bluffing It as 'Rusty Duggan'.Movie Released: Sun, Sep 13 1987
The Manhattan Project
Robert Sean Leonard was 17 in The Manhattan Project as 'Max'.Movie Released: Fri, Jun 13 1986
My Two Loves
Robert Sean Leonard was 17 in My Two Loves as 'Larry Taylor'.Movie Released: Mon, Apr 07 1986
TV Shows (Acting Roles)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
The Gilded Age
Robert Sean Leonard was 52+ in The Gilded Age as 'Matthew Forte'.TV Show Released: First Air Date
Mon, Jan 24 2022
The Hot Zone
Robert Sean Leonard was 50+ in The Hot Zone as 'Walter Humbolt'.TV Show Released: First Air Date
Mon, May 27 2019
The Good Doctor
Robert Sean Leonard was 48+ in The Good Doctor as 'Shamus O'Malley'.TV Show Released: First Air Date
Mon, Sep 25 2017
Battle Creek
Robert Sean Leonard was 46+ in Battle Creek as 'Brock'.TV Show Released: First Air Date
Sun, Mar 01 2015
The Blacklist
Robert Sean Leonard was 44+ in The Blacklist as 'Frederick Barnes'.TV Show Released: First Air Date
Mon, Sep 23 2013
The Good Wife
Robert Sean Leonard was 40+ in The Good Wife as 'Del Paul'.TV Show Released: First Air Date
Tue, Sep 22 2009
House
Robert Sean Leonard was 35+ in House as 'James Wilson'.TV Show Released: First Air Date
Tue, Nov 16 2004
Wasteland
Robert Sean Leonard was 30+ in Wasteland as 'Jesse's ex'.TV Show Released: First Air Date
Thu, Oct 07 1999
Law & Order: Special Victims Unit
Robert Sean Leonard was 30+ in Law & Order: Special Victims Unit as 'Kenneth O'Dwyer'.TV Show Released: First Air Date
Mon, Sep 20 1999
The Outer Limits
Robert Sean Leonard was 26+ in The Outer Limits as 'Robby Archer'.TV Show Released: First Air Date
Sun, Mar 26 1995
Going Live!
Robert Sean Leonard was 18+ in Going Live! as 'Self'.TV Show Released: First Air Date
Sat, Sep 26 1987
The Comedy Factory
Robert Sean Leonard was 16+ in The Comedy Factory as 'Garrett'.TV Show Released: First Air Date
Fri, Jun 21 1985
Tony Awards
Robert Sean Leonard was 0+ in Tony Awards as 'Self - Nominee'.TV Show Released: First Air Date
Sun, Apr 01 1956
Hallmark Hall of Fame
Robert Sean Leonard was 0+ in Hallmark Hall of Fame as 'Jesse Chandler'.TV Show Released: First Air Date
Mon, Dec 24 1951
