Steve Cooper talks with actor David Marciano. David is best known for his roles as Detective Steve Billings in The Shield and Virgil in Homeland. He has been a regular on many other series including Mind of a Married Man, Judging Amy, Due South and Civil Wars. He also has guest starred on countless shows including NYPD Blue, Nash Bridges, Wiseguy, JAG, CSI: Crime Investigation Scene, NCIS, Lie to Me, House M.D., CSI: NY, Criminal Minds and Law & Order: SVU.