Thomas Philip O'Neill

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Known For


Cast Credits

Mindhunter (2017)
Starring as Leo Buchanan
The Blacklist (2013)
Guest starring as Abe (4 episodes)
  • Episode 4x21: Mr. Kaplan (May 18, 2017) [Co-Star]
  • Episode 4x15: The Apothecary (Feb 23, 2017) [Co-Star]
  • Episode 4x12: Natalie Luca (Feb 2, 2017) [Co-Star]
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Boardwalk Empire (2010)
Guest starring as Dick Halsey (5 episodes)