
Acting · 61 years old
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.

That's Harassment
Politician

House
John Henry Giles

Zack Snyder's Justice League
General Calvin Swanwick / Martian Manhunter

Stand Down Soldier
Officer Freeman

Lazaretto
Sufyan

ER
Greg Fischer

Murder One
David Bronson

24
Walid Al-Rezani

Billions
Frank Sacker

The Blacklist
Harold Cooper

Emperor
Frederick Douglas

Commander in Chief
Jim Gardner

The Practice
Asst. Attorney General Parker

Legion of Super Heroes
Dr. Mar Londo (voice)

Ray
Joe Adams

Girlfriends
Earl

Love & Basketball
Nathan Wright

The Five Heartbeats
Dresser

The Parent 'Hood

Dollhouse
Boyd Langton