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