Kim Carrell MA State Police Detective
Devin Sterling Digital Intermediate
Trudi Goodman Woman Office Worker (uncredited)
Adam Masnyk Southie Teen / Soccer Player (uncredited)
Conor Timmis Rugby Fan (uncredited)
Mark Philip Patrick New Guy
Bo Cleary Drill Instructor #2 (voice)
Robert Thayer Assistant Art Director
Dennis Lynch Costello's Crew #1
Peter Welch Other Prisoner
Mary Klug Billy's Aunt
William 'Billy Jack' Jakielaszek Special Effects
Thomas Stokes Costume Supervisor
Amanda Lynch Carmen
Joseph Zamparelli Stunt Driver
William Lee Costello's Crew #3
John McConnell Bookie in Costello's Bar
Teresa Carriker-Thayer Art Direction
Kevin P. McCarthy Detective #1 - Colin's Unit
Peter Crafts Man in Costello's Bar
Deborah Carlson Sister Mary Theresa
Peg Holzemer Mrs. Kennefick
Paul McGillicuddy Subway Passenger (uncredited)
Robert Martini Transportation Coordinator
Chris Chinn Gang Member (uncredited)
Sarah Fearon French's Wife
Jack McCullough EMT (uncredited)
Sallie Toussaint Woman at Opera
Paula DeMers Billy's Mother
Frank Mallicoat News Anchor
Alex Morris Young Man at Airport
Francis P. Hughes Crack House Cop #2
Paris Karounos Jimmy Pappas
Lauren Hayward Stunts
Daniel F. Risteen, Jr. Crack House Cop #1
Walter Y.F. Wong Waiter in Alley
Kenneth Stoddard State Trooper #1
Tony M. Yee Waiter in Alley
Paddy Curran New Guy
Jeffrey Winter State Trooper #2