Akinnagbe was born in Washington, D.C., the son of Nigerian parents. He was raised in Silver Spring, Maryland. He is the second oldest of six children, with one older sister and four younger brothers, and the first in his family to be born in the United States. He attended Colonel Zadok A. Magruder High School in Rockville, Maryland. He attended Bucknell University on a wrestling scholarship, majoring in Political Science and English.\n', '
Akinnagbe played Ben Ellis in the episode "Contenders" on the TV series Numb3rs. In the summer of 2006, Akinnagbe performed the role of "Zim" in the NYC Fringe Festival\'s "Outstanding Play" award-winning production of Modern Missionary. In 2003, Akinnagbe auditioned for the role of Chris Partlow on the HBO series The Wire and starting in 2004 began a frequent recurring role. In 2008 during the show\'s fifth and final season, he was promoted to a series regular.\n', '
In 2007, Akinnagbe appeared in the film The Savages with Philip Seymour Hoffman, Laura Linney, and Philip Bosco. He appeared in the remake of The Taking of Pelham One Two Three, which was released by Sony in June 2009. Akinnagbe made a guest appearance on a season 10 Law & Order: Special Victims Unit episode entitled "Hell" as Elijah Okello, a former Ugandan child soldier living in New York, facing deportation. Akinnagbe\'s former The Wire castmate Robert Wisdom also appeared in that episode as Father Theo Burdett. In 2010 in Seattle, Washington Akinnagbe starred in the world premiere play The Thin Place at The Intiman Theatre. He was also in the movie Lottery Ticket and appeared on The Good Wife as Pastor Isiah Easton. His former co-star from The Wire, Frankie Faison, portrayed his father on The Good Wife in several episodes. He also starred as Kelly Slater, a nurse in the third season of the Showtime series Nurse Jackie. He also starred in leading roles in two independent films, as Jack in Home, directed by Jono Oliver, and as James in Big Words, directed by Neil Drumming. He appeared as a drug lord in the USA series Graceland and starred as Tom in The Following. He also starred as CIA Agent Erik Ritter in 24: Live Another Day. In October 2016 he began shooting the feature film Starbright.\n', '