Ben Affleck character Doug MacRay
Rebecca Hall character Claire Keesey
Jeremy Renner character James Coughlin
Jon Hamm character Adam Frawley
Blake Lively character Krista Coughlin
Owen Burke character Desmond Elden
Titus Welliver character Dino Ciampa
Pete Postlethwaite character Fergus 'Fergie' Colm
Chris Cooper character Stephen MacRay
Corena Chase character Agent Quinlan
Brian Scannell character Henry
Stephen Bishop character Derrick
Gary Galone character Internal Affairs Officer at Fenway
Ted Arcidi character Cedar Junction C.O.
Michael Yebba character Beacon G.I. Joe Driver
Jeremiah Kissel character Claire's Lawyer
Georgia Lyman character Neptune's Waitress
Duncan B. Putney character FBI Agent (uncredited)
Victor Garber character Assistant Bank Manager (uncredited)
London Hall character Runner (uncredited)
Jeff Martineau character Car Driver (uncredited)
Kevin McCormick character Inmate (uncredited)
Joseph Oliveira character Inmate (uncredited)
William Xifaras character Decoy Cop (uncredited)
Slaine character Albert 'Gloansy' Magloan
Tony V. character Vericom Crew Chief
Rich Manley character Boston Police (uncredited)
John Franchi character Townie (uncredited)
Dennis McLaughlin character Rusty
Kerri Dunbar character Henry’s Girl
Brian A. White character FBI SWAT #1
Peter Looney character NA Speaker
Chick Bernhard character Marty McGuire (uncredited)
Nicholas Cairis character FBI Agent (uncredited)
Carlos Foglia character FBI Agent Gary Clark (uncredited)
Jim Ford character FBI SWAT (uncredited)
George J. Vezina character FBI Special Task Force Agent (uncredited)
Jeffrey Corazzini character Boston Police Officer (uncredited)
Alex East character Pedestrian (uncredited)
Chris Palermo character Pedestrian (uncredited)
Dan Marshall character Pedestrian Harvard Professor / Graduate Student (uncredited)
Adam Masnyk character Sullys Kid (uncredited)
Thomas McGowan character Crime Scene Investigator (uncredited)
Thomas Olson character CSI Officer (uncredited)
Ed O'Keefe character Morton Previt
