Dylan McDermott (born Mark Anthony McDermott; October 26, 1961) is an American actor. He is best known for his role as lawyer and law firm head Bobby Donnell on the legal drama series The Practice, which earned him a Golden Globe Award for Best Performance by an Actor in a Television Series – Drama and a nomination for the Primetime Emmy Award for Outstanding Lead Actor in a Drama Series.
McDermott is also known for his roles in the first two seasons of FX horror anthology series American Horror Story, entitled American Horror Story: Murder House and American Horror Story: Asylum, portraying Ben Harmon and Johnny Morgan, respectively. He reprised his role as Ben Harmon in American Horror Story: Apocalypse, the eighth season of the series. He appeared as Bruce in American Horror Story: 1984, the ninth season of the series. He also starred as Lt. Carter Shaw on the TNT series Dark Blue and starred in two short-lived CBS dramas, Hostages and Stalker.