Martin Scorsese
Director
Leonardo DiCaprio
Billy
Matt Damon
Colin Sullivan
Jack Nicholson
Frank Costello
Mark Wahlberg
Dignam
Martin Sheen
Queenan
Ray Winstone
Mr. French
Vera Farmiga
Madolyn
Anthony Anderson
Trooper Brown
Alec Baldwin
Ellerby
Kevin Corrigan
Cousin Sean
James Badge Dale
Trooper Barrigan
David O'Hara
Fitzy
Mark Rolston
Delahunt
Robert Wahlberg
Lazio - FBI
Kristen Dalton
Gwen
Thomas B. Duffy
Governor
J.C. MacKenzie
Realtor
Mary Klug
Billy's Aunt
Peg Holzemer
Mrs. Kennefick
Robert 'Toshi' Kar Yuen Chan
Triad Boss
Gurdeep Singh
Pakistani Proprietor
Armen Garo
Providence Gangster #1
John Cenatiempo
Providence Gangster #2
Joseph Riccobene
Kneecapped Bankrobber
Billy Smith
Detective #1 Tailing Queenan
Lyman Chen
Translator
Kevin P. McCarthy
Detective #1 - Colin's Unit
Chris Fischer
Detective #2 - Colin's Unit
Brian Smyj
Man Glassed in Bar
William Severs
Older Priest
Larry Mitchell
Younger Priest
Anthony Estrella
Police Camera Tech
Andrew Breving
Police Cell Phone Tech
Tracey Paleo
Darlene the Secretary
Douglas Crosby
Man Killed by French
Dorothy Lyman
Woman at Bar #1
Audrie Neenan
Woman at Bar #2
Frank Mallicoat
News Anchor
Paula DeMers
Billy's Mother
Conor Donovan
Young Colin
Amanda Lynch
Carmen
Sallie Toussaint
Woman at Opera
Patrick Coppola
Bookie Harassed by French
Mick O'Rourke
Jimmy Bags
Deborah Carlson
Sister Mary Theresa
Nellie Sciutto
Queenan's Secretary
Peter Welch
Other Prisoner
Henry Yuk
Chinese Government Man
Dennis Lynch
Costello's Crew #1
Michael Byron
Costello's Crew #2
William Lee
Costello's Crew #3
John Rue
Luncheonette Proprietor
Peter Crafts
Man in Costello's Bar
Joseph P. Reidy
Priest with Young Colin
John Farrer
Priest at Billy's Funeral
Paris Karounos
Jimmy Pappas
Brian Haley
Detective #2 Tailing Queenan
Terry Serpico
Detective #3 Tailing Queenan
Jay Giannone
Detective #4 Tailing Queenan
John Polce
Lynn Detective
Bo Cleary
Drill Instructor #2
David Conley
Gang Member with Mr. French
Victor Chan
Chinese Delivery Man
Jill Brown
Executed Woman
Sarah Fearon
French's Wife
Tom Kemp
Billy Costigan, Sr.
Denece Ryland
Woman Doctor
Zachary Pauliks
Young Billy
Daniel F. Risteen Jr.
Crack House Cop #1
Francis P. Hughes
Crack House Cop #2
Johnny Cicco
Crack Addict
Chance Kelly
Exam Instructor
Shay Duffin
Bartender at Brasserie
John McConnell
Bookie in Costello's Bar
Kenneth Stoddard
State Trooper #1
Jeffrey Winter
State Trooper #2
Paddy Curran
New Guy
Mark Philip Patrick
New Guy
David Fischer
Executed Man
Walter Y.F. Wong
Waiter in Alley
Tony M. Yee
Waiter in Alley
Francesca Scorsese
Little Girl at Airport
Alex Morris
Young Man at Airport
Emma Tillinger Koskoff
Woman with Dog
Craig Castaldo
Crack House Denizen
Richard Hughes
Uncle Edward
Angelis Alexandris
State Trooper
James P. Anderson
Boston Police Dignitary
Andrew Aninsman
Undercover Drug Agent
Razmig Arabian
Bystander
Dion Baia
Donegan - Police Cadet
Takumi Bando
Triad
Vincent Bivona
Cadet #15
Eric Bruno Borgman
Reporter
David Boston
Boston Police Chief
Tracey Brennan
E.R. Doctor
Brendan Burke
Irish Thug
Shana Carr
Business Woman
Chris Chinn
Gang Member
Vic Clay
Businessman
Desiree April Connolly
Driver of Car in Chase
Jeffrey Corazzini
Crime Scene Unit
Ed Cuffe
Boston PD
Mike Di Stasio
Subway Passenger
Buddy Dolan
Sean
Jim Evans
Police Officer
Mark Falvo
Reporter
James Michael Farrell
Detective
Deirdre Fitzpatrick
Rugby Friend
Steve Flynn
State Police Detective
Shawn Fogarty
Pedestrian
Jim Ford
Cadet
John Franchi
Pedestrian
Lorre Fritchy
Extra
Trudi Goodman
Woman Office Worker
Mackenzie Hawe
Child at Carnival
Mark Hemphill
College Student
London Kim
Triad
Henry Kwan
Asian Triad
Henry Laun
Boston PD
Crystal Lisbon
Business Woman
Steve Lord
Academy Pistol Coach
Frank Mancuso
Inmate
Oliver Martin
State Trooper
Adam Masnyk
Southie Teen
Jack McCullough
EMT
Paul McGillicuddy
Subway Passenger
Robert Myers
Cadet Parent
Joseph Oliveira
Officer
Nicolas Quilter
State Trooper
Ralph Regine
Subway Rider
Osmani Rodriguez
Reporter
Alfredo Romeo Suarez
Cop
Steve Scarfo
Construction Worker
Billy Silvia
Chinatown Shopper
John Wayland Somers
Forensics Officer
Lawrence Cameron Steele
Academy Firearms Instructor
Stream
Shopper in China Town
Victor Warren
Reporter
Donna Wong
Waitress
Darryl Wooten
Pedestrian
Kenneth G. Yong
Restaurant Worker
Gail Yudain
Cadet Parent