Tommy Gavin
Denis Leary
— / Johnny Gavin
Dean Winters
James 'Jimmy' Keefe
James McCaffrey
Mike Silletti
Michael Lombardi
Janet Gavin
Andrea Roth
Franco Rivera
Daniel Sunjata
Sean Garrity
Steven Pasquale
Chief Jerry Reilly
Jack Mcgee
Lt. Kenny `Lou' Shea
John Scurti
Sheila Keefe / —
Callie Thorne
Chief 'Needles' Nelson
Adam Ferrara
Guest Star
Anthony Allessandro
Guest Star
Maria Angélica
Alicia Green
Susan Sarandon
Uncle Teddy
Lenny Clarke
Guest Star
Todd Baker
Guest Star
Phil Esposito
Guest Star
Marisa Tomei
Guest Star
Peter Conboy
Guest Star
Bill Belichick
Guest Star
Todd Carroll
Guest Star
Anthony Alessandro
Guest Star
William Hill
Guest Star
Deanne Bray
Guest Star
Jennifer Ferrin
Guest Star
Alison Bartlett
Guest Star
Timothy Adams
Michael Gavin
Charles Durning
Nell Turbody
Paige Turco
Guest Star
Maryam Myika Day
Guest Star
Matt Mulhern
Guest Star
Joey Naber
Guest Star
Chris Bowers
Guest Star
Jody Ebert
Guest Star
Cuyle Carvin
Maggie Gavin
Tatum O'Neal
Guest Star
Isaiah Stokes
Guest Star
Artie Lange
Guest Star
Taylor Dayne
Mickey Gavin
Robert John Burke
Guest Star
Mark Lotito
Guest Star
Kate Burton
Connor Gavin
Trevor Heins
Guest Star
Paulina Gerzon
Guest Star
Francesca Cecil
Guest Star
Michael Elian
Guest Star
Peter Maloney
Guest Star
Kyle Hughes
Bart 'Black Shawn' Johnston
Larenz Tate
Guest Star
John Salley
Guest Star
Ty Jones
Guest Star
Susan Misner
Guest Star
John Rothman
Guest Star
Marc Damon Johnson
Guest Star
Subhash Mandal
Guest Star
Lisamarie Costabile
Laura Miles
Diane Farr
Guest Star
Tommy Nelson
Guest Star
Brian d'Arcy James
Guest Star
Sherri Saum
Guest Star
Genia Nunez
Guest Star
Cornell Womack
Guest Star
Luke Rosen
Damian Keefe
Michael Zegen
Guest Star
Olivia Crocicchia
Colleen Gavin
Natalie Distler
—
Milena Govich
Guest Star
Patti D'Arbanville
—
Neal Jones
Cousin Eddie
Terry Serpico
Ellen Turbody
Jennifer Harmon
—
Ashlie Atkinson
—
Paula Devicq
Drunk Driver
Thomas Lyons
Harry the Hat
Paul Martinowicz
EMT
Mike Houston
EMT
Armando Newbold
—
Greg D'Agostino
Porn Guy
Jake Suffian
Gabriel
Urgains Vilsaint
—
Jarah Mariano
AA Zombie
Jones Miller
—
Karen Goberman
Little Girl's Mom
Lisa Douglass