Leonardo DiCaprio
Billy
Acting
Matt Damon
Colin
Acting
Jack Nicholson
Costello
Acting
Mark Wahlberg
Dignam
Acting
Martin Sheen
Queenan
Acting
Ray Winstone
Mr. French
Acting
Vera Farmiga
Madolyn
Acting
Anthony Anderson
Brown
Acting
Alec Baldwin
Ellerby
Acting
Kevin Corrigan
Cousin Sean
Acting
James Badge Dale
Barrigan
Acting
David O'Hara
Fitzy
Acting
Mark Rolston
Delahunt
Acting
Robert Wahlberg
Lazio (FBI)
Acting
Kristen Dalton
Gwen
Acting
Thomas B. Duffy
Govenor
Acting
Richard Hughes
Uncle Edward
Acting
J.C. MacKenzie
Realtor
Acting
Mary Klug
Billy's Aunt
Acting
Peg Holzemer
Mrs. Kennefick
Acting
Robert 'Toshi' Kar Yuen Chan
Triad Boss
Acting
Gurdeep Singh
Pakistani Proprietor
Acting
Armen Garo
Providence Gangster #1
Acting
John Cenatiempo
Providence Gangster #2
Crew
Joseph Riccobene
Kneecapped Bankrobber
Acting
Billy Smith
Detective #1 Tailing Queenan
Acting
Lyman Chen
Translator
Acting
Kevin P. McCarthy
Detective #1 - Colin's Unit
Acting
Chris Fischer
Detective #2 - Colin's Unit
Acting
Brian Smyj
Man Glassed in Bar
Crew
William Severs
Older Priest
Acting
Larry Mitchell
Younger Priest
Acting
Anthony Estrella
Police Camera Tech
Acting
Andrew Breving
Police Cell Phone Tech
Acting
Tracey Paleo
Darlene the Secretary
Acting
Douglas Crosby
Man Killed by French
Crew
Dorothy Lyman
Woman at Bar #1
Acting
Audrie Neenan
Woman at Bar #2
Acting
Frank Mallicoat
News Anchor
Acting
Paula DeMers
Billy's Mother
Acting
Conor Donovan
Young Colin
Acting
Amanda Lynch
Carmen
Acting
Sallie Toussaint
Woman at Opera
Acting
Patrick Coppola
Bookie Harassed by French
Production
Mick O'Rourke
Jimmy Bags
Crew
Deborah Carlson
Sister Mary Theresa
Acting
Nellie Sciutto
Queenan's Secretary
Acting
Peter Welch
Other Prisoner
Acting
Henry Yuk
Chinese Government Man
Acting
Dennis Lynch
Costello's Crew #1
Acting
Michael Byron
Costello's Crew #2
Acting
William Lee
Costello's Crew #3
Acting
John Rue
Luncheonette Proprietor
Acting
Peter Crafts
Man in Costello's Bar
Acting
Joseph P. Reidy
Priest w/ Young Colin
Directing
John Farrer
Priest at Billy's Funeral
Acting
Paris Karounos
Jimmy Pappas
Acting
Brian Haley
Detective #2 Tailing Queenan
Acting
Terry Serpico
Detective #3 Tailing Queenan
Acting
Jay Giannone
Detective #4 Tailing Queenan
Acting
John Polce
Lynn Detective
Crew
Bo Cleary
Drill Instructor #2 (voice)
Acting
David Conley
Gang Member with Mr. French
Acting
Victor Chan
Chinese Delivery Man
Crew
Jill Brown
Executed Woman
Crew
Sarah Fearon
French's Wife
Acting
Denece Ryland
Woman Doctor
Acting
Daniel F. Risteen, Jr.
Crack House Cop #1
Acting
Francis P. Hughes
Crack House Cop #2
Acting
Johnny Cicco
Crack Addict
Acting
Chance Kelly
Exam Instructor
Acting
Shay Duffin
Bartender at Brasserie
Acting
John McConnell
Bookie in Costello's Bar
Acting
Kenneth Stoddard
State Trooper #1
Acting
Jeffrey Winter
State Trooper #2
Acting
Paddy Curran
New Guy
Acting
Mark Philip Patrick
New Guy
Crew
David Fischer
Executed Man
Directing
Walter Y.F. Wong
Waiter in Alley
Acting
Tony M. Yee
Waiter in Alley
Acting
Francesca Scorsese
Little Girl at Airport
Acting
Alex Morris
Young Man at Airport
Acting
Emma Tillinger Koskoff
Woman with Dog
Production
Craig 'Radio Man' Castaldo
Crack House Denizen
Acting
Takumi Bando
Triad (uncredited)
Acting
Eric Bruno Borgman
Reporter (uncredited)
Acting
Brendan Burke
Irish Thug (uncredited)
Acting
Chris Chinn
Gang Member (uncredited)
Acting
Jeffrey Corazzini
Crime Scene Unit (uncredited)
Acting
Jim Ford
Cadet (uncredited)
Acting
Trudi Goodman
Woman Office Worker (uncredited)
Acting
Steve Lord
Academy Pistol Coach (uncredited)
Acting
Jack McCullough
EMT (uncredited)
Acting
Osmani Rodriguez
Reporter (uncredited)
Acting
Lawrence Cameron Steele
Academy Firearms Instructor (uncredited)
Acting
Conor Timmis
Rugby Fan (uncredited)
Acting
Joseph Oliveira
Officer (uncredited)
Acting
Adam Masnyk
Southie Teen / Soccer Player (uncredited)
Acting
John Franchi
Pedestrian (uncredited)
Acting
Paul McGillicuddy
Subway Passenger (uncredited)
Acting
Kim Carrell
MA State Police Detective
Acting
Rebecca Love
Adult Film Actress (uncredited)
Acting