Robert Sean Leonard

Cast Credits

The First Lady (2022)

Guest starring as Harry S. Truman

Episode 1x10: Victory Dance (Jun 19, 2022)

The Gilded Age (2022)

Guest starring as Reverend Matthew Forte (7 episodes)

Episode 2x07: Wonders Never Cease (Dec 10, 2023)
Episode 2x06: Warning Shots (Dec 3, 2023)
Episode 2x05: Close Encounter to Touch (Nov 26, 2023)
Episode 2x04: His Grace the Duke (Nov 19, 2023)
Episode 2x03: Head to Head (Nov 12, 2023)
Episode 2x02: Some Sort of Trick (Nov 5, 2023)
Episode 2x01: You Don't Even Like Opera (Oct 29, 2023)
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The Hot Zone (2019)

Guest starring as Walter Humboldt (4 episodes)

Episode 1x06: Hidden (May 29, 2019)
Episode 1x03: Charlie Foxtrot (May 28, 2019)
Episode 1x02: Cell H (May 27, 2019)
Episode 1x01: Arrival (May 27, 2019)
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The Good Doctor (2017)

Guest starring as Shamus O'Malley

Episode 3x03: Claire (Oct 7, 2019)

Battle Creek (2015)

Guest starring as Brock

Episode 1x13: Sympathy for the Devil (May 24, 2015)

The Blacklist (2013)

Guest starring as Frederick Barnes

Episode 1x07: Frederick Barnes (No. 47) (Nov 4, 2013)

Falling Skies (2011)

Guest starring as Dr. Roger Kadar (9 episodes)

Episode 4x07: Saturday Night Massacre (Aug 3, 2014)
Episode 4x06: Door Number Three (Jul 27, 2014)
Episode 4x05: Mind Wars (Jul 20, 2014)
Episode 4x02: The Eye (Jun 29, 2014)
Episode 3x10: Brazil (Aug 4, 2013)
Episode 3x09: Journey to Xibalba (Jul 28, 2013)
Episode 3x05: Search and Recover (2) (Jun 30, 2013)
Episode 3x04: At All Costs (1) (Jun 23, 2013)
Episode 3x02: Collateral Damage (Jun 9, 2013)
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Blue Bloods (2010)

Guest starring as William Holt

Episode 7x15: Lost Souls (Feb 10, 2017) [Special Guest Star]

The Good Wife (2009)

Guest starring as Del Paul

Episode 6x03: Dear God (Oct 5, 2014)

House (2004)

Starring as Dr. James Wilson (172 episodes)

Episode 8x22: Everybody Dies (May 21, 2012)
Episode 8x21: Holding On (May 14, 2012)
Episode 8x20: Post Mortem (May 7, 2012)
Episode 8x19: The C-Word (Apr 30, 2012)
Episode 8x18: Body and Soul (Apr 23, 2012)
Episode 8x17: We Need the Eggs (Apr 16, 2012)
Episode 8x16: Gut Check (Apr 9, 2012)
Episode 8x15: Blowing the Whistle (Apr 2, 2012)
Episode 8x14: Love is Blind (Mar 19, 2012)
Episode 8x13: Man of the House (Feb 20, 2012)
Episode 8x12: Chase (Feb 13, 2012)
Episode 8x10: Runaways (Jan 30, 2012)
Episode 8x09: Better Half (Jan 23, 2012)
Episode 8x08: Perils of Paranoia (Nov 28, 2011)
Episode 8x07: Dead & Buried (Nov 21, 2011)
Episode 8x06: Parents (Nov 14, 2011)
Episode 8x05: The Confession (Nov 7, 2011)
Episode 8x04: Risky Business (Oct 31, 2011)
Episode 8x03: Charity Case (Oct 17, 2011)
Episode 8x02: Transplant (Oct 10, 2011)
Episode 7x23: Moving On (May 23, 2011)
Episode 7x22: After Hours (May 16, 2011)
Episode 7x21: The Fix (May 9, 2011)
Episode 7x20: Changes (May 2, 2011)
Episode 7x19: Last Temptation (Apr 18, 2011)
Episode 7x17: Fall from Grace (Mar 21, 2011)
Episode 7x16: Out of the Chute (Mar 14, 2011)
Episode 7x15: Bombshells (Mar 7, 2011)
Episode 7x14: Recession Proof (Feb 28, 2011)
Episode 7x13: Two Stories (Feb 21, 2011)
Episode 7x12: You Must Remember This (Feb 14, 2011)
Episode 7x10: Carrot or Stick (Jan 24, 2011)
Episode 7x09: Larger Than Life (Jan 17, 2011)
Episode 7x08: Small Sacrifices (Nov 22, 2010)
Episode 7x07: A Pox on Our House (Nov 15, 2010)
Episode 7x06: Office Politics (Nov 8, 2010)
Episode 7x05: Unplanned Parenthood (Oct 18, 2010)
Episode 7x04: Massage Therapy (Oct 11, 2010)
Episode 7x03: Unwritten (Oct 4, 2010)
Episode 7x02: Selfish (Sep 27, 2010)
Episode 7x01: Now What? (Sep 20, 2010)
Episode 6x21: Help Me (May 17, 2010)
Episode 6x20: Baggage (May 10, 2010)
Episode 6x19: The Choice (May 3, 2010)
Episode 6x18: Open and Shut (Apr 26, 2010)
Episode 6x17: Knight Fall (Apr 19, 2010)
Episode 6x16: Lockdown (Apr 12, 2010)
Episode 6x15: Black Hole (Mar 15, 2010)
Episode 6x14: Private Lives (Mar 8, 2010)
Episode 6x13: 5 to 9 (Feb 8, 2010)
Episode 6x12: Moving the Chains (Feb 1, 2010)
Episode 6x11: Remorse (Jan 25, 2010)
Episode 6x10: The Down Low (Jan 11, 2010)
Episode 6x09: Wilson (Nov 30, 2009)
Episode 6x08: Ignorance is Bliss (Nov 23, 2009)
Episode 6x07: Teamwork (Nov 16, 2009)
Episode 6x06: Known Unknowns (Nov 9, 2009)
Episode 6x05: Brave Heart (Oct 19, 2009)
Episode 6x04: Instant Karma (Oct 12, 2009)
Episode 6x03: The Tyrant (Oct 5, 2009)
Episode 6x02: Epic Fail (Sep 28, 2009)
Episode 6x01: Broken (Sep 21, 2009)
Episode 5x24: Both Sides Now (May 11, 2009)
Episode 5x23: Under My Skin (May 4, 2009)
Episode 5x22: House Divided (Apr 27, 2009)
Episode 5x21: Saviors (Apr 13, 2009)
Episode 5x20: Simple Explanation (Apr 6, 2009)
Episode 5x19: Locked In (Mar 30, 2009)
Episode 5x18: Here Kitty (Mar 16, 2009)
Episode 5x17: The Social Contract (Mar 9, 2009)
Episode 5x16: The Softer Side (Feb 23, 2009)
Episode 5x15: Unfaithful (Feb 16, 2009)
Episode 5x14: The Greater Good (Feb 2, 2009)
Episode 5x13: Big Baby (Jan 26, 2009)
Episode 5x12: Painless (Jan 19, 2009)
Episode 5x11: Joy to the World (Dec 9, 2008)
Episode 5x10: Let Them Eat Cake (Dec 2, 2008)
Episode 5x09: Last Resort (Nov 25, 2008)
Episode 5x08: Emancipation (Nov 18, 2008)
Episode 5x07: The Itch (Nov 11, 2008)
Episode 5x06: Joy (Oct 28, 2008)
Episode 5x05: Lucky Thirteen (Oct 21, 2008)
Episode 5x04: Birthmarks (Oct 14, 2008)
Episode 5x02: Not Cancer (Sep 23, 2008)
Episode 5x01: Dying Changes Everything (Sep 16, 2008)
Episode 4x16: Wilson's Heart (May 19, 2008)
Episode 4x15: House's Head (May 12, 2008)
Episode 4x14: Living the Dream (May 5, 2008)
Episode 4x13: No More Mr. Nice Guy (Apr 28, 2008)
Episode 4x12: Don't Ever Change (Feb 5, 2008)
Episode 4x11: Frozen (Feb 3, 2008)
Episode 4x10: It's a Wonderful Lie (Jan 29, 2008)
Episode 4x09: Games (Nov 27, 2007)
Episode 4x08: You Don't Want to Know (Nov 20, 2007)
Episode 4x07: Ugly (Nov 13, 2007)
Episode 4x06: Whatever It Takes (Nov 6, 2007)
Episode 4x05: Mirror Mirror (Oct 30, 2007)
Episode 4x04: Guardian Angels (Oct 23, 2007)
Episode 4x03: 97 Seconds (Oct 9, 2007)
Episode 4x02: The Right Stuff (Oct 2, 2007)
Episode 4x01: Alone (Sep 25, 2007)
Episode 3x24: Human Error (May 29, 2007)
Episode 3x23: The Jerk (May 15, 2007)
Episode 3x22: Resignation (May 8, 2007)
Episode 3x21: Family (May 1, 2007)
Episode 3x20: House Training (Apr 24, 2007)
Episode 3x19: Act Your Age (Apr 17, 2007)
Episode 3x18: Airborne (Apr 10, 2007)
Episode 3x17: Fetal Position (Apr 3, 2007)
Episode 3x16: Top Secret (Mar 27, 2007)
Episode 3x15: Half-Wit (Mar 6, 2007)
Episode 3x14: Insensitive (Feb 13, 2007)
Episode 3x13: Needle in a Haystack (Feb 6, 2007)
Episode 3x12: One Day, One Room (Jan 30, 2007)
Episode 3x11: Words and Deeds (Jan 9, 2007)
Episode 3x10: Merry Little Christmas (Dec 12, 2006)
Episode 3x09: Finding Judas (Nov 28, 2006)
Episode 3x08: Whac-A-Mole (Nov 21, 2006)
Episode 3x07: Son of Coma Guy (Nov 14, 2006)
Episode 3x06: Que Sera Sera (Nov 7, 2006)
Episode 3x05: Fools for Love (Oct 31, 2006)
Episode 3x04: Lines in the Sand (Sep 26, 2006)
Episode 3x03: Informed Consent (Sep 19, 2006)
Episode 3x02: Cane & Able (Sep 12, 2006)
Episode 3x01: Meaning (Sep 5, 2006)
Episode 2x24: No Reason (May 23, 2006)
Episode 2x23: Who's Your Daddy? (May 16, 2006)
Episode 2x22: Forever (May 9, 2006)
Episode 2x21: Euphoria (2) (May 3, 2006)
Episode 2x20: Euphoria (1) (May 2, 2006)
Episode 2x19: House vs. God (Apr 25, 2006)
Episode 2x18: Sleeping Dogs Lie (Apr 18, 2006)
Episode 2x17: All In (Apr 11, 2006)
Episode 2x16: Safe (Apr 4, 2006)
Episode 2x15: Clueless (Mar 28, 2006)
Episode 2x14: Sex Kills (Mar 7, 2006)
Episode 2x13: Skin Deep (Feb 20, 2006)
Episode 2x12: Distractions (Feb 14, 2006)
Episode 2x11: Need to Know (Feb 7, 2006)
Episode 2x10: Failure to Communicate (Jan 10, 2006)
Episode 2x09: Deception (Dec 13, 2005)
Episode 2x08: The Mistake (Nov 29, 2005)
Episode 2x07: Hunting (Nov 22, 2005)
Episode 2x06: Spin (Nov 15, 2005)
Episode 2x05: Daddy's Boy (Nov 8, 2005)
Episode 2x04: TB or Not TB (Nov 1, 2005)
Episode 2x03: Humpty Dumpty (Sep 27, 2005)
Episode 2x02: Autopsy (Sep 20, 2005)
Episode 2x01: Acceptance (Sep 13, 2005)
Episode 1x22: Honeymoon (May 24, 2005)
Episode 1x21: Three Stories (May 17, 2005)
Episode 1x20: Love Hurts (May 10, 2005)
Episode 1x19: Kids (May 3, 2005)
Episode 1x18: Babies & Bathwater (Apr 19, 2005)
Episode 1x17: Role Model (Apr 12, 2005)
Episode 1x16: Heavy (Mar 29, 2005)
Episode 1x15: Mob Rules (Mar 22, 2005)
Episode 1x14: Control (Mar 15, 2005)
Episode 1x13: Cursed (Mar 1, 2005)
Episode 1x12: Sports Medicine (Feb 22, 2005)
Episode 1x11: Detox (Feb 15, 2005)
Episode 1x10: Histories (Feb 8, 2005)
Episode 1x09: DNR (Feb 1, 2005)
Episode 1x08: Poison (Jan 25, 2005)
Episode 1x07: Fidelity (Dec 28, 2004)
Episode 1x06: The Socratic Method (Dec 21, 2004)
Episode 1x05: Damned If You Do (Dec 14, 2004)
Episode 1x04: Maternity (Dec 7, 2004)
Episode 1x03: Occam's Razor (Nov 30, 2004)
Episode 1x02: Paternity (Nov 23, 2004)
Episode 1x01: Pilot (Nov 16, 2004)
Episode S08 Special: Swan Song (May 21, 2012)
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Law & Order: Special Victims Unit (1999)

Guest starring as Assistant D.A. Kenneth O'Dwyer (3 episodes)

Episode 17x10: Catfishing Teacher (Jan 6, 2016)
Episode 17x03: Transgender Bridge (Sep 30, 2015)
Episode 16x21: Perverted Justice (May 6, 2015)

The Outer Limits (1995)

Guest starring as Robby Archer

Episode 6x20: Nest (Aug 18, 2000)

American Experience (1988)

Guest starring as Herman Melville

Episode 22x08: Into the Deep: America, Whaling and the World (May 10, 2010)

Tony Awards (1957)

Guest starring as Robert Sean Leonard

Episode 2001-06-03: The 55th Annual Tony Awards (Jun 3, 2001)