Acting
William Duffy
William Duffy is an actor.
Known for
Highlights
The Mentalist
2008 · Series · TSA Agent #2
Criminal Minds
2005 · Series · Dr. Larson
It's Always Sunny in Philadelphia
2005 · Series · Hedge Fund Guy
NCIS
2003 · Series · Harris Cobb
Heroes
2006 · Series · ER Doctor
The West Wing
1999 · Series · Staffer
Filmography
Movies
11 films
A West Wing Special to Benefit When We All Vote
2020 · Film · Larry
The Ascent
2010 · Film · Thomas Shaw
Waist Deep
2006 · Film · Newscaster #2
Karla
2006 · Film · Detective Porter
Sniper 3
2004 · Film · Richard Addis
Blast from the Past
1999 · Film · Workman #1
Double Tap
1997 · Film · Gas Man
Betrayed by Love
1994 · Film · Paxton
The Two Jakes
1990 · Film · Desk Sergeant
Loving
1970 · Film · Jay
Brainstorm
1965 · Film · Orderly (uncredited)
Filmography
Series
16 shows
Bosch
2015 · Series · Vault Attendant
Scandal
2012 · Series · Ralph Greenwald
Parenthood
2010 · Series · Mr. Carlson
The Mentalist
2008 · Series · TSA Agent #2
Carpoolers
2007 · Series
Heroes
2006 · Series · ER Doctor
Criminal Minds
2005 · Series · Dr. Larson
It's Always Sunny in Philadelphia
2005 · Series · Hedge Fund Guy
NCIS
2003 · Series · Harris Cobb
The O.C.
2003 · Series · (voice)
American Dreams
2002 · Series · Father Gregory
The Division
2001 · Series · Commander Jackson
The West Wing
1999 · Series · Staffer
Hearts Afire
1992 · Series · Doctor
Beverly Hills, 90210
1990 · Series · Doorman
Law & Order
1990 · Series · CSU Technician
