Acting
William Duffy is an actor.
Criminal Minds
2005
The Mentalist
2008
Beverly Hills, 90210
1990
NCIS
2003
Law & Order
The West Wing
1999
It's Always Sunny in Philadelphia
Heroes
2006
Scandal
2012
Bosch
2015
The O.C.
Parenthood
2010
The Division
2001
American Dreams
2002
Hearts Afire
1992
Blast from the Past
Carpoolers
2007
Sniper 3
2004
Karla
Double Tap
1997