S. Epatha Merkerson

S Epatha Merkerson born Sharon Epatha Merkerson is an American film stage and television actress She has won a Golden Globe Emmy Awards a Screen Actors Guild Award Obie Award 4 NAACP Image Awards and 2 Tony Award nominations She is best known for her role as NYPD Lieutenant Anita Van Buren 19932010 on the longrunning NBC police procedural drama series Law Order as well as the Law Order TV movie Exiled She appeared in 390 episodes of the series more than any other cast member She has a starring role as Sharon Goodwin on NBCs Chicago Med She also had a recurring role as Reba the mail carrier on Peewees Playhouse and Ms St Marth on the TV series Here and Now She has appeared in feature films including Shes Gotta Have It Loose Cannons Jacobs Ladder Terminator 2 Judgment Day Random Hearts Radio Black Snake Moan Lincoln 2012 and Peeples She has also appeared in TV movies including A Place for Annie A Mothers Prayer Breaking Through Lackawanna Blues and The Gabby Douglas Story