Acting
Dennis Flanagan is an actor.
Law & Order: Special Victims Unit
1999
Law & Order
1990
The Blacklist
2013
Chicago P.D.
2014
FBI
2018
Person of Interest
2011
The Good Wife
2009
Charmed
1998
Elementary
2012
Banshee
Blindspot
2015
Ozark
2017
New Amsterdam
Prodigal Son
2019
Big Dogs
2020
Snakeeater
2024
Altered Minds
Pray for Morning
2006
