
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

Nothing Is Impossible
Russell Banks
2022

Curse of the Macbeths
Banquo
2022

Winter Ball
Eddie
2022

Super Turnt
Mr. Denver
2022

Marian Anderson: The Whole World in Her Hands
2022

A Christmas Together With You
Frank
2021

Timeless
Johnson
2016

Batman v Superman: Dawn of Justice
Swanwick
2016

Chi-Raq
Commissioner Blades
2015

The Algerian
Suleyman
2015

Back to School Mom
Lawrence Riley
2015

72 Hours
God
2015

Justice League: Throne of Atlantis
Black Manta (voice)
2015

Cru
Diego Glass
2014

H4
King Henry IV
2014

Troubled Waters
Ron Waters
2013

They Die by Dawn
Sheriff Bass Reeves
2013

Sunny and RayRay
Lenotti
2013

Evidence
Ben
2013

Man of Steel
General Calvin Swanwick
2013

A Beautiful Soul
Jeff Freeze
2012

The Last Fall
Ron Davis
2012

State of Play
Det. Donald Bell
2009

Stomp the Yard
Nate
2007

Ray
Joe Adams
2004

Suspect Zero
Rich Charleton
2004

The Matrix Revolutions
Commander Lock
2003

The Human Stain
Mr. Silk
2003

The Matrix Reloaded
Commander Lock
2003

Black Listed
Karl Bennett
2003

Don't Explain
Lee
2003

Pumpkin
Robert Meary (Poetry teacher)
2002

Collateral Damage
FBI Agent Dray
2002

Love & Basketball
Nathan Wright
2000

Titus
Aaron
1999

The Unspoken
Reverend Bob
1999

Chicago Cab
Pissed-Off Boyfriend
1998

Since You've Been Gone
Jordan Cardozo
1998

Too Close to Home
Prosecuting Attorney
1997

Get on the Bus
Randall
1996

Nothing But the Truth
Det. Vernon Jones
1995

Comfortably Numb
Hamlin Day
1995

Vanishing Son IV
Andre Laine
1994

Vanishing Son II
Andre Laine
1994

Guarding Tess
Kenny Young
1994

Bob Roberts
Franklin Dockett
1992

Mo' Money
Tom Dilton
1992

In the Best Interest of the Children
Tim Coffey
1992

The Five Heartbeats
Dresser
1991

A Mother's Courage: The Mary Thomas Story
Nero
1989
Eyes in the Trees
Dr. Murphy

Isla Monstro
General Dregg (voice)
2024

Young Love
Russell Young (voice) · (12 episodes)
2023

Zack Snyder's Justice League
General Calvin Swanwick / Martian Manhunter
2021

Lazaretto
Sufyan
2020

Emperor
Frederick Douglas
2020

Rehabilitation of the Hill
Davidson Livingston
2020

Revival!
Pilate
2019

Canal Street
DJ Terrence Palmer
2019

That's Harassment
Politician
2018

Romeo and Juliet in Harlem
Capulet
2017

The Blacklist: Redemption
Harold Cooper · (1 episode)
2017

Needlestick
Ray LeGro
2017

Insecure
Marcus Walker · (3 episodes)
2016
Macbeth Unhinged
Banquo
2016

Billions
Frank Sacker · (3 episodes)
2016

Billions
Franklin Sacker · (1 episode)
2016

Alternate Universe: A Rescue Mission
Principal Sheehan
2016
The Fright Night Files
Ronald
2014

Stand Down Soldier
Officer Freeman
2014

Cruel Will
Dr. Frances
2013

The Blacklist
Harold Cooper · (218 episodes)
2013

Emily Owens, M.D.
Tim Dupre · (6 episodes)
2012

Hound Dogs
Skip
2011

Law & Order: LA
Agent Bossy · (1 episode)
2010

Dollhouse
Boyd Langton · (25 episodes)
2009

Across the Universe
Army Sergeant
2007

Resurrecting the Champ
Bob Satterfield Jr.
2007

Legion of Super Heroes
Dr. Mar Londo (voice) · (1 episode)
2006

Commander in Chief
Jim Gardner · (18 episodes)
2005

House
John Henry Giles · (1 episode)
2004
Second Time Around
Dr. Oakes · (1 episode)
2004

Chrystal
Kalid
2004

Barbershop 2: Back in Business
Quentin Leroux
2004

Keep the Faith, Baby
Adam Clayton Powell Jr.
2002

24
Walid Al-Rezani · (4 episodes)
2001

Home Invaders
2001

Ally McBeal
Ballard · (1 episode)
1997

The Practice
Asst. Attorney General Parker · (2 episodes)
1997

Friends 'Til The End
Prof. Gunderson
1997

Murder One
David Bronson · (1 episode)
1995

Clockers
Bill Walker
1995

The Parent 'Hood
(1 episode)
1995

ER
Greg Fischer · (6 episodes)
1994

Vanishing Son
Andre Laine · (1 episode)
1994

Vanishing Son
André Laine · (1 episode)
1994

Diagnosis: Murder
Agent Ron Wagner · (6 episodes)
1993

Victimless Crimes
Baker
1991

Perry Mason: The Case of the Defiant Daughter
Prosecutor Keith Warner
1990

The Package
Johnny's Field Soldier
1989
Godless
Bishop