Neal P. McDonough is an American film, television, 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, and Dave Williams on ABCs Desperate Housewives . He also appeared in films such as Walking Tall, RED 2, The MarineHomefront, Traitor, and as Dum Dum Dugan in various Marvel Cinematic Universe films and TV series. He currently appears as Damien Darhk on Arrow. He also voiced a variety of comic superheroes and villains in animated films and video games.
McDonough was born in Boston, Massachusetts, the son of Catherine and Frank McDonough, motel owners who emigrated from Ireland, with his mother coming from County Tipperary and his father from County Galway. McDonough was raised Roman Catholic. He grew up in Barnstable, Massachusetts, graduated from Barnstable High School, and attended Syracuse University, where he was initiated and became a member of the Sigma Chi Fraternity and graduated with a Bachelor of Fine Arts degree in 1988. His roommate in college was Brett Pollock, current broadcaster for the Omaha Storm Chasers of the Pacific Coast League. McDonough frequently appeared as Captain Laser, inspiring young students to bring their studies to completion. From there, McDonough trained for a short time at the London Academy of Music and Dramatic Art .