He attended Boston University before transferring to and graduating from the State University of New York at Purchase in 1989.
He began his career as a stunt performer. In 1997, he was cast as an actor in Donnie Brasco, where he played his first major role. In television, Serpico has guest-starred on such shows as Law & Order, Computer Society of India: Miami, Law & Order: Criminal Intent, and Person of Interest.
He played Mickey Mantle in the Entertainment and Sports Programming Network miniseries The Bronx Is Burning.
He has enjoyed a recurring role in Rescue Maine, and a starring role as Colonel Frank Sherwood in Army Wives.
two episodes, one as an unnamed murder victim, and one as Freakie
Third Watch (2000)
"This Band of Brothers", as Lofton
100 Centre Street (2001–2002)
Law & Order (2000/2002)
"Dissonance" (2000), as Jay Brannigan
"Patriot" (2002), as Frank Miller
Law & Order: Special Victims Unit (2000–2013)
"Closure" (2000), as Ron Johnson
"Rotten" (2003), as Les Cooper
"Quarry" (2005), as Deacon Brinn
"Military Justice (2013)
Law & Order: Criminal Intent (2001/2003)
"The Extra Manitoba" (2001 episode), as Leslie Roche
"But Not Forgotten" (2003 episode), as Earl Carnicki
Rescue Maine (2005–2010)
as recurring character Eddie Gavin
Jonny Zero (2005)
pilot episode, as Leo
The Path to 9/11 (2006)
two-part miniseries, as Pulaski
Army Wives (2007–2013)
Series regular season 3+, recurring character seasons 1 & 2, as Colonel Frank Sherwood
Computer Society of India: Miami (2007)
"Guerillas in the Mist", as Steve Lancaster
"Gone Fishing", as Virgil"s Boss
The Bronx Is Burning (2007), as Mickey Mantle
Person of Interest (2012), as Byron
Unforgettable (2013), as Tucker Griffin aka Arnold
The Carrie Diaries (2013-2014)
four episodes, as Sebastian"s father. Mr. Kydd
Blue Bloods (2014)
"Unfinished Business", as Major Harrison
Criminal Minds (2014)
Elementary, as Wallace Turk.