David Marciano

David Marciano is a professional actor, writer, and director who has achieved considerable success in a vast career that has spanned over 25 years. As a series regular, Marciano has had the honor of working with such entertainment luminaries as Steven Bochco, who brought Marciano into America's homes on a weekly basis in Civil Wars as the poet bicycle messenger, Jeffrey Lassick.

His second series was the CBS drama, Due South, created by Oscar winner Paul Haggis, for which he earned a Gemini Award nomination. Marciano was able to bring his flair for comedy to the buddy cop genre on the streets of Chicago as Detective Ray Vecchio.

Next Marciano completed a four-year run as a regular cast member of the FX Emmy Award winning drama The Shield as old school detective Steve Billings. Marciano's other credits include numerous television guest spots and movies, as well as a starring role as Giorgio in the CBS miniseries The Last Don and The Last Don II. Among the projects of which he is most proud was his participation in director Leslie Dektor's CLIO Award-winning commercial campaign for Partnership for a Drug-Free America.

Known For


Cast Credits

Battle Creek (2015)
Guest starring as Donny Patton
12 Monkeys (2015)
Guest starring as Det. John Damato
Intelligence (2014)
Guest starring as Gordon Greyson
Bosch (2014)
Guest starring as Brad Conniff (4 episodes)
Homeland (2011)
Starring as Virgil
Guest starring as Virgil (18 episodes)
Castle (2009)
Guest starring as Bill Garrett
Sons of Anarchy (2008)
Guest starring as Chicken Man
It's Always Sunny in Philadelphia (2005)
Guest starring as Detective Larson
House (2004)
Guest starring as Murphy
NCIS (2003)
Guest starring as Bartender
The Shield (2002)
Starring as Detective Steve Billings (13 episodes)
CSI: Crime Scene Investigation (2000)
Guest starring as Frank Samuels
  • Episode 4x17: XX (Mar 11, 2004)
Judging Amy (1999)
Guest starring as Len Mildmay (7 episodes)
Law & Order: Special Victims Unit (1999)
Guest starring as Rick Purcell
The Last Don (1997)
Starring as Giorgio Clericuzio
Due South (1994)
Guest starring as Detective Ray Vecchio (3 episodes)
Civil Wars (1991)
Starring as Jeffrey Lassick