Neal McDonough

Neal P. McDonough is an American actor and voice actor, known for his portrayal of Lieutenant Lynn "Buck" Compton in the HBO miniseries Band of Brothers , Deputy District Attorney David McNorris on Boomtown , Sean Cahill on Suits, Robert Quarles on Justified, and Dave Williams on ABC's Desperate Housewives . He also appeared in films such as Minority Report, Walking Tall, Red 2, The Marine 3: Homefront, Traitor, Paul Blart: Mall Cop 2 and as Dum Dum Dugan in various Marvel Cinematic Universe films and TV series. He appeared as Damien Darhk on Arrow, and in Legends of Tomorrow, as well as voicing a variety of comic superheroes and villains in a number of animated films and video games.