Tommy Gavin

Denis Leary

Jimmy Keefe

James McCaffrey

Franco Rivera

Daniel Sunjata

Mike Silletti

Michael Lombardi

Janet Gavin

Andrea Roth

Lt. Kenny `Lou' Shea

John Scurti

Sean Garrity

Steven Pasquale

Chief Jerry Reilly

Jack Mcgee

Sheila Keefe / —

Callie Thorne

Laura Miles

Diane Farr*

Laura Miles

Diane Farr

Chief 'Needles' Nelson

Adam Ferrara

Guest Star

Caprice Benedetti

Guest Star

Ashlie Atkinson

Guest Star

Marlyne Barrett

Guest Star

Jon Benjamin

Sully

Lee Tergesen

Guest Star

Shon Blotzer

Guest Star

Gene Canfield

— / Johnny Gavin

Dean Winters

Guest Star

David Alan Basche

Guest Star

James Biberi

Guest Star

Michael Zegen

Guest Star

Lyndon L Byers

Guest Star

Noelle Beck

Guest Star

Kate Burton

Guest Star

Maha Chehlaoui

Guest Star

Robert John Burke

Guest Star

Todd Carroll

Guest Star

Scott Davidson

Guest Star

Colleen Clinton

Guest Star

Lenny Clarke

Guest Star

Tim Carroll

Guest Star

Rosemarie DeWitt

Guest Star

Charles Durning

Maggie Gavin

Tatum O'Neal

Guest Star

Christopher Burns

Guest Star

Jessi Campbell

Guest Star

Olivia Crocicchia

Guest Star

Tony Cucci

Bart 'Black Shawn' Johnston

Larenz Tate

Guest Star

Trevor Heins

Guest Star

Milena Govich

Guest Star

Tom Greer

Guest Star

Natalie Distler

Guest Star

Muhammad Cunningham

—

Neal Jones

—

Timothy Adams

—

Paula Devicq

—

Patti D'Arbanville

Alicia Green

Susan Sarandon

—

Greg D'Agostino

—

Sherri Saum

—

Jarah Mariano

—

Karen Goberman

Director

Jefery Levy

Director

John Fortenberry

Director

Adam Bernstein

Director

Peter Tolan

Director

Ken Girotti

Director

Rosemary Rodriguez

Director

Jace Alexander