James Joseph O'Neil

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Known For

Credits

Cast Credits

The Knick (2014)
Guest starring as Dr. Grindin (2 episodes)
Madam Secretary (2014)
Guest starring as Colonel McKay
Person of Interest (2011)
Guest starring as Decker
Numb3rs (2005)
Guest starring as Bob Mazelli
24 (2001)
Guest starring as Halcott
Law & Order: Special Victims Unit (1999)
Guest starring as Chris Hartford
  • Episode 4x13: Rotten (Jan 24, 2003)