Britt-Gibson made his acting debut in the recurring role of Darius "O-Dog" Hill on HBO's crime drama television series The Wire, starring in 8 episodes from 2006 to 2008. He then appeared in the film Toe to Toe (2009) as Leron, and 2 episodes of the web series Monday Wednesday Friday, also writing one of the episodes in which he starred. He has also guest starred in episodes of many television series, such as Southland, Shameless, The Bridge, and Major Crimes.