Neal McDonough is an American actor. He is known for his portrayal of Lieutenant Lynn "Buck" Compton in the HBO miniseries Band of Brothers (2001), Deputy District Attorney David McNorris on Boomtown (2002–2003), Tin Man in the Sci Fi Channel miniseries Tin Man, and a main cast role as Dave Williams in Season 5 of Desperate Housewives (2008–2009), and President Dwight D. Eisenhower in American Horror Story: Double Feature (2021) for which he was critically acclaimed. He has also appeared in films such as Star Trek: First Contact, Minority Report, Walking Tall, and as Timothy "Dum Dum" Dugan in various Marvel Cinematic Universe films and TV series. In the DC Arrowverse, he has appeared as Damien Darhk in the TV series Arrow, Legends of Tomorrow, and The Flash. He had a major role in Suits for several seasons (2014–2019) and played Malcolm Beck on Yellowstone (2019).

Lynn Davis Compton, known as Buck Compton, was an American jurist, police officer, and soldier. In his legal career, he served as a prosecutor and California Court of Appeal judge, and is most notable as having been the lead prosecutor in Sirhan Sirhan's trial for the assassination of Robert F. Kennedy. Previously, he served with the Los Angeles Police Department. During World War II, he was a commissioned officer with E Company, 2nd Battalion, 506th Parachute Infantry Regiment, in the 101st Airborne Division of the United States Army. Compton was portrayed in the HBO miniseries Band of Brothers by Neal McDonough.