From Wikipedia, the free encyclopedia. Harold Joseph Lennix III (born November 16, 1964) 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-starred as Harold Cooper, assistant director of the FBI Counterterrorism Division, on the NBC drama The Blacklist. Lennix also played J'onn J'onzz/Calvin Swanwick/Martian Manhunter in the DC Extended Universe films Man of Steel, Batman v Superman: Dawn of Justice, and Zack Snyder's Justice League. He was nominated for the 2025 Tony Award for Best Actor in a Play for his role in Purpose.

Harry Lennix

Acting Born November 16, 1964 Chicago, Illinois, USA

From Wikipedia, the free encyclopedia.

Harold Joseph Lennix III (born November 16, 1964) 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-starred as Harold Cooper, assistant director of the FBI Counterterrorism Division, on the NBC drama The Blacklist. Lennix also played J'onn J'onzz/Calvin Swanwick/Martian Manhunter in the DC Extended Universe films Man of Steel, Batman v Superman: Dawn of Justice, and Zack Snyder's Justice League. He was nominated for the 2025 Tony Award for Best Actor in a Play for his role in Purpose.

Known For

House

John Henry Giles

The Blacklist

Harold Cooper

24

Walid Al-Rezani

Diagnosis: Murder

Agent Ron Wagner

ER

Greg Fischer

The Practice

Asst. Attorney General Parker

Billions

Frank Sacker

The Bear

James Brooks

Girlfriends

Earl

Insecure

Marcus Walker

Man of Steel

General Swanwick

Batman v Superman: Dawn of Justice

Swanwick