Darrell Hadari Britt-Gibson (born August 4, 1986) is an American actor, known for his role as Darius "O-Dog" Hill on the HBO series The Wire. He has also appeared on the Showtime series Californication, the Starz series Power, the FX series You're the Worst, and the HBO series Barry and We Own This City. He has also starred in the films Keanu (2016), 20th Century Women (2016), Three Billboards Outside Ebbing, Missouri (2017), and Judas and the Black Messiah (2021).