Release CalendarTop 250 MoviesMost Popular MoviesBrowse Movies by GenreTop Box OfficeShowtimes & TicketsMovie NewsIndia Movie Spotlight
    What's on TV & StreamingTop 250 TV ShowsMost Popular TV ShowsBrowse TV Shows by GenreTV News
    What to WatchLatest TrailersIMDb OriginalsIMDb PicksIMDb SpotlightIMDb Podcasts
    OscarsGolden GlobesSundance Film FestivalBest Of 2024STARmeter AwardsAwards CentralFestival CentralAll Events
    Born TodayMost Popular CelebsCelebrity News
    Help CenterContributor ZonePolls
For Industry Professionals
  • Language
  • Fully supported
  • English (United States)
    Partially supported
  • Français (Canada)
  • Français (France)
  • Deutsch (Deutschland)
  • हिंदी (भारत)
  • Italiano (Italia)
  • Português (Brasil)
  • Español (España)
  • Español (México)
Watchlist
Sign In
  • Fully supported
  • English (United States)
    Partially supported
  • Français (Canada)
  • Français (France)
  • Deutsch (Deutschland)
  • हिंदी (भारत)
  • Italiano (Italia)
  • Português (Brasil)
  • Español (España)
  • Español (México)
Use app
  • Biography
IMDbPro

William Duffy(II)

  • Actor
IMDbProStarmeterSee rank
William Duffy
Watch William Duffy - DEMO
Play demo reel5:28
William Duffy - DEMO
1 Video
37 Photos
William Duffy was born in the USA. William is an actor, known for The West Wing (1999), Scandal (2012) and It's Always Sunny in Philadelphia (2005).
BornApril 4
  • More at IMDbPro
    • Contact info
    • Agent info
    • Resume
BornApril 4
IMDbProStarmeterSee rank
  • View contact info at IMDbPro

    • Photos37

    View Poster
    View Poster
    View Poster
    View Poster
    View Poster
    View Poster
    + 31
    View Poster

    Known for

    Rob Lowe, Martin Sheen, Allison Janney, Dulé Hill, Moira Kelly, Janel Moloney, Richard Schiff, John Spencer, and Bradley Whitford in The West Wing (1999)
    The West Wing
    8.9
    TV Series
    • Larry
    • Congressional Liaison #2
    • Staffer
    • Staffer Larry
    Kerry Washington in Scandal (2012)
    Scandal
    7.7
    TV Series
    • Ralph Greenwald
    Danny DeVito, Charlie Day, Rob McElhenney, Kaitlin Olson, and Glenn Howerton in It's Always Sunny in Philadelphia (2005)
    It's Always Sunny in Philadelphia
    8.8
    TV Series
    • Hedge Fund Guy
    Joe Mantegna, Paget Brewster, A.J. Cook, Adam Rodriguez, Aisha Tyler, Kirsten Vangsness, and Ryan-James Hatanaka in Criminal Minds (2005)
    Criminal Minds
    8.1
    TV Series
    • Dr. Larson

    Credits

    Edit
    IMDbPro

    Actor

    • Rob Lowe and Martin Sheen in A West Wing Special to Benefit When We All Vote (2020)
      A West Wing Special to Benefit When We All Vote
      8.5
      TV Special
      • Larry
      • 2020
    • Kerry Washington in Scandal (2012)
      Scandal
      7.7
      TV Series
      • Ralph Greenwald
      • 2017
    • Kylie Bunbury in Pitch (2016)
      Pitch
      7.5
      TV Series
      • Reporter #1
      • 2016
    • Wilmer Valderrama, Rocky Carroll, Gary Cole, Katrina Law, Sean Murray, Brian Dietzen, and Diona Reasonover in NCIS (2003)
      NCIS
      7.8
      TV Series
      • Head of Security Harris Cobb
      • 2016
    • Titus Welliver in Bosch (2014)
      Bosch
      8.5
      TV Series
      • Vault Attendant
      • 2016
    • Simon Baker in The Mentalist (2008)
      The Mentalist
      8.2
      TV Series
      • TSA Agent #2
      • 2014
    • Danny DeVito, Charlie Day, Rob McElhenney, Kaitlin Olson, and Glenn Howerton in It's Always Sunny in Philadelphia (2005)
      It's Always Sunny in Philadelphia
      8.8
      TV Series
      • Hedge Fund Guy
      • 2013
    • Bonnie Bedelia, Craig T. Nelson, Monica Potter, Joy Bryant, Erika Christensen, Lauren Graham, Sam Jaeger, Peter Krause, Mae Whitman, Dax Shepard, Max Burkholder, Miles Heizer, Tyree Brown, Savannah Paige Rae, and Xolo Maridueña in Parenthood (2010)
      Parenthood
      8.3
      TV Series
      • Mr. Carlson
      • 2013
    • Banshee (2013)
      Banshee
      8.4
      TV Series
      • (voice, uncredited)
      • 2013
    • Walk & Talk - The West Wing Reunion: Behind the Scenes
      7.8
      Short
      • Larry
      • 2012
    • Martin Sheen in Walk & Talk: The West Wing Reunion (2012)
      Walk & Talk: The West Wing Reunion
      7.6
      Short
      • Larry
      • 2012
    • Joe Mantegna, Paget Brewster, A.J. Cook, Adam Rodriguez, Aisha Tyler, Kirsten Vangsness, and Ryan-James Hatanaka in Criminal Minds (2005)
      Criminal Minds
      8.1
      TV Series
      • Dr. Larson
      • 2012
    • Plan B
      7.0
      Short
      • Doctor Edson aka The Political Guest
      • 2012
    • Erika Heynatz and Aaron Staton in L.A. Noire (2011)
      L.A. Noire
      8.7
      Video Game
      • Ronald Bellamy (voice)
      • 2011
    • Here's the Kicker (2011)
      Here's the Kicker
      6.7
      • Sheriff Don Graham
      • 2011

    Verified affiliations

    Learn more at IMDbPro
    SAG-AFTRA

    Videos1

    William Duffy - DEMO
    Demo Reel 5:28
    William Duffy - DEMO

    Personal details

    Edit
    • Alternative names
      • Bill Duffy
    • Born
      • April 4
      • USA

    Related news

    Contribute to this page

    Suggest an edit or add missing content
    • Learn more about contributing
    Edit page

    More to explore

    Recently viewed

    Please enable browser cookies to use this feature. Learn more.
    Get the IMDb app
    Sign in for more accessSign in for more access
    Follow IMDb on social
    Get the IMDb app
    For Android and iOS
    Get the IMDb app
    • Help
    • Site Index
    • IMDbPro
    • Box Office Mojo
    • License IMDb Data
    • Press Room
    • Advertising
    • Jobs
    • Conditions of Use
    • Privacy Policy
    • Your Ads Privacy Choices
    IMDb, an Amazon company

    © 1990-2025 by IMDb.com, Inc.