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Thomas Philip O'Neill
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Personal Info

  • Known ForActing
  • GenderMale
  • Birthday-
  • Place of Birth-
  • Also Known As-

Thomas Philip O'Neill

Biography

We don't have a biography for Thomas Philip O'Neill

Known For

Black Mass

Black Mass

Mapplethorpe

Mapplethorpe

The School Duel

The School Duel

Writer's Block

Writer's Block

Endless Sea

Endless Sea

Acting Career

  • Writer's Block
    2025

    Writer's Block

    As: Matthew

  • The School Duel
    2024

    The School Duel

    As: Pastor Mark

  • Mapplethorpe
    2019

    Mapplethorpe

    As: David Croland

  • FBI
    2018

    FBI

    As: Neil Mosbach

  • FBI
    2018

    FBI

    As: Dr. Neil Mosbach

  • FBI
    2018

    FBI

    As: M.E. Dr. Neil Mosbach

  • MINDHUNTER
    2017

    MINDHUNTER

    As: Leo Buchanan

  • Black Mass
    2015

    Black Mass

    As: FBI Wire Tech

  • NCIS: New Orleans
    2014

    NCIS: New Orleans

    As: Eddie Oberman

  • Law & Order: Special Victims Unit
    1999

    Law & Order: Special Victims Unit

    As: Rick Donnelly

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