James Joseph O'Neil

We don't have a biography for James Joseph O'Neil yet. Hang in there, or go ahead and contribute one.

Known For

Credits

Cast Credits

The Knick (2014)
Guest starring as Dr. Grindin (2 episodes)
Madam Secretary (2014)
Guest starring as Colonel McKay
Elementary (2012)
Guest starring as Frye
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)
Charmed (1998)
Guest starring as Darklighter
  • Episode 6x21: Witch Wars (May 9, 2004) [Co-Star]