William Atherton

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Known For

Credits

Cast Credits

Defiance (2013)
Guest starring as Viceroy Berto Mercado (5 episodes)
Castle (2009)
Guest starring as Dr. Ari Weiss
Childrens Hospital (2008)
Guest starring as Levon Bainter
Numb3rs (2005)
Guest starring as Warren Pierce
  • Episode 4x08: Tabu (Nov 16, 2007)
Lost (2004)
Guest starring as Donald Lawrence Reynolds
Boston Legal (2004)
Guest starring as Assistant D.A. Howard Zale
Monk (2002)
Guest starring as Commander Whitaker
Law & Order: Special Victims Unit (1999)
Guest starring as Ned Bogden
  • Episode 11x18: Bedtime (Mar 31, 2010)
Stargate SG-1 (1997)
Guest starring as Emissary
The Practice (1997)
Guest starring as D.A. Keith Pratt