David Ramsey (born November 17, 1971) is an American actor, best known for his roles in the Showtime TV series Dexter as Anton Briggs, the film Mother and Child, and currently on the hit CW show Arrow as John Diggle. Ramsey guest-starred in the NCIS Season 1 episode, The Curse (episode) as NCIS Special Agent Richard Owens (The Curse).