Acting
Dennis Flanagan is an actor.
Law & Order: Special Victims Unit
1999
Law & Order
1990
The Blacklist
2013
FBI
2018
Chicago P.D.
2014
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
Altered Minds
Snakeeater
2024
Pray for Morning
2006
