Known best for his role as Baltimore drug lord Marlo Stanfield in the HBO drama series The Wire, he also appeared in several episodes of NBC's Heroes. His film credits include Dunn in Paid in Full and Nick in Blood Ties.
While taking college classes, he accepted early-career roles in such television series as Law & Order, The Beat, and Third Watch.
He established a youth mentoring organization called Moving Mountains.
He was born in New York City to parents of Haitian heritage.
He costarred with Melvin Van Peebles in the 2007 movie Blackout.