David Marciano is an American actor. He’s been acting since the 1980s, debuting in the film Hellbent. After various one-time roles on the small screen, he landed his first starring role as Jeffrey Lassick in the ABC series Civil Wars. He then became known for his role as Ray Vecchio in the Canadian show Due South. In the 2000s, he played recurring role Len Mildmay in Judging Amy. He later gained wider recognition for his role as Steve Billings in The Shield. In the 2010s, he played Virgil in Homeland, Brad Conniff in Bosch, and Howard Utey / John Renlow in Shooter. He also starred in the 2011 film Red State.