Known For
Acting
Dennis Flanagan
Biography
Dennis Flanagan is an actor.
Known For - Movies
Known For - TV Shows
Law & Order: Special Victims Unit
as Tim Holland
Law & Order
as Derek Quinn
The Blacklist
as Caleb James Cronin
FBI
as Jason Milgrim
Chicago P.D.
as Nick Morella
Chicago P.D.
as Frank Matson
Person of Interest
as Victor Engquist
Charmed
as Flashback Dan
Elementary
as Jeremy
The Good Wife
as Officer Deitch