In 2011 he played Richard “Death Row” Reynolds in the series Lights Out. One of his best known roles came as Detective Mike Anderson in the show Dexter from 2011 to 2012. Brown has starred as Troy Riley in The Following, August Marks in Sons of Anarchy, and Archer Petit in Hostages. He will star in the upcoming TV series How to Get Away with Murder. In 2012 he was nominated for a Screen Actors Guild Award for Dexter. Brown has appeared in the movies Star Trek, Starship Troopers 2: Hero of the Federation, Cloverfield, Legend, and Race to Witch Mountain.