Harry Joseph Lennix III is an American actor. He is known for his roles as Terrence "Dresser" Williams in the Robert Townsend film The Five Heartbeats (1991) and as Boyd Langton in the science-fiction series Dollhouse. Lennix co-stars as Harold Cooper, assistant director of the FBI Counterterrorism Division, on the NBC drama The Blacklist. Lennix has also played J'onn J'onzz / Martian Manhunter in the DC Extended Universe films Man of Steel, Batman v Superman: Dawn of Justice, and Zack Snyder's Justice League.
