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

S.W.A.T. (2017)
Guest starring as Detective Billings
Shooter (2016)
Guest starring as Howard Utey (8 episodes)
Battle Creek (2015)
Guest starring as Donny Patton
12 Monkeys (2015)
Guest starring as Det. John Damato
Bosch (2014)
Guest starring as Brad Conniff (9 episodes)
Intelligence (2014)
Guest starring as Gordon Greyson
Homeland (2011)
Starring as Virgil Maravich (6 episodes)
Guest starring as Virgil Maravich (10 episodes)
Castle (2009)
Guest starring as Bill Garrett
Lie to Me (2009)
Guest starring as Jason Wilkie
Sons of Anarchy (2008)
Guest starring as Chicken Man
It's Always Sunny in Philadelphia (2005)
Guest starring as Detective Larson
Eyes (2005)
Guest starring as Terry Laguna
  • Episode 1x01: Pilot (Mar 30, 2005)
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)
Law & Order: Special Victims Unit (1999)
Guest starring as Rick Purcell
Judging Amy (1999)
Guest starring as Len Mildmay (7 episodes)
The Last Don (1997)
Starring as Giorgio Clericuzio
Due South (1994)
Guest starring as Detective Ray Vecchio (3 episodes)
Touched by an Angel (1994)
Guest starring as James Block
Civil Wars (1991)
Starring as Jeffrey Lassick (36 episodes)