Michael Kenneth Williams (also credited as Michael K. Williams) is an American actor best known for his starring role as Omar Little, a gay stick-up man, in the television drama series The Wire, from 2002-2008.
Williams' television credits include Alias, The Hulk, Law & Order, Law & Order: SVU, Six Degrees, The Sopranos, CSI, Boston Legal, Kill Point and The Philanthropist.
His film career began when Tupac Shakur handpicked him to play his brother in Bullet. He then went on to appear in Bringing out the Dead, directed by Martin Scorsese.
Williams' other film work includes scene-stealing cameos in I Think I Love My Wife and Miracle at St. Anna. He also played a sympathetic detective in Gone Baby Gone (Ben Affleck's directorial debut).
He also played a lead in Todd Solondz's Forgiveness and a starring role opposite Sanaa Lathan and Matthew Broderick in Wonderful World. He can also be seen in the Michael Cuesta film Tell Tale and The Road starring opposite Viggo Mortenson and Charlize Theron.
He starred as Chalky White in the HBO drama series Boardwalk Empire, from 2010-2014.