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Robert Sean Leonard

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Known For


Cast Credits

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)
  • View 1 more
The Good Doctor (2017)
Guest starring as Shamus O'Malley
  • Episode 3x03: Claire (Oct 7, 2019)
Battle Creek (2015)
Guest starring as Brock
The Blacklist (2013)
Guest starring as Frederick Barnes
Falling Skies (2011)
Guest starring as Dr. Roger Kadar (9 episodes)
Blue Bloods (2010)
Guest starring as Charles Beard
  • Episode 7x15: Lost Souls (Feb 10, 2017) [Special Guest Star]
The Good Wife (2009)
Guest starring as Del Paul
House (2004)
Starring as Dr. James Wilson (172 episodes)
Law & Order: Special Victims Unit (1999)
Guest starring as Assistant D.A. Kenneth O'Dwyer (3 episodes)
The Outer Limits (1995)
Guest starring as Robby Archer
  • Episode 6x20: Nest (Aug 18, 2000)
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