Matt Damon Colin
Brad Pitt Producer
Mark Wahlberg Dignam
Kevin Corrigan Cousin Sean
Leonardo DiCaprio Billy
Martin Scorsese Director
Martin Sheen Queenan
Vera Farmiga Madolyn
Ray Winstone Mr. French
Jack Nicholson Costello
Alec Baldwin Ellerby
Anthony Anderson Brown
Andrew Lau Wai-Keung Other
James Badge Dale Barrigan
Thelma Schoonmaker Editor
Mark Rolston Delahunt
David O'Hara Fitzy
Graham King Producer
Brad Grey Producer
William Monahan Screenplay
J.C. MacKenzie Realtor
John Cenatiempo Providence Gangster #2
Terry Serpico Detective #3 Tailing Queenan
Brian Haley Detective #2 Tailing Queenan
Dorothy Lyman Woman at Bar #1
Chance Kelly Exam Instructor
Howard Shore Original Music Composer
Peewee Piemonte Stunts
Robert Legato Visual Effects Supervisor
Nellie Sciutto Queenan's Secretary
Donald Mowat Makeup Artist
Felix Chong Man-Keung Original Film Writer
Emma Tillinger Koskoff Woman with Dog, Associate Producer
Kristen Dalton Gwen
Alan Mak Siu-Fai Original Film Writer, Other
Audrie Neenan Woman at Bar #2
Sandy Powell Costume Design
Francesca Scorsese Little Girl at Airport
Michael Byron Costello's Crew #2
Mick O'Rourke Jimmy Bags
Kay Georgiou Hairstylist
Craig 'Radio Man' Castaldo Crack House Denizen
Jodi Michelle Pynn Stunts
Roy Lee Executive Producer
G.A. Aguilar Stunt Coordinator, Second Unit Director
Tom Fleischman Sound Re-Recording Mixer
Conor Donovan Young Colin
Philip Stockton Supervising Sound Editor, Dialogue Editor
Armen Garo Providence Gangster #1
Chris Lyons Special Effects Makeup Artist
Shay Duffin Bartender at Brasserie
Robert Wahlberg Lazio (FBI)
Eugene Gearty Sound Effects Editor, Supervising Sound Editor
Ellen Lewis Casting
Johnny Villanueva Hairstylist
Takumi Bando Triad (uncredited)
Brian Smyj Man Glassed in Bar
Jay Giannone Detective #4 Tailing Queenan
Lyman Chen Translator
Blaise Corrigan Stunts
John Polce Lynn Detective
Joseph Oliveira Officer (uncredited)
John Caglione Jr. Makeup Artist
Shawnna Thibodeau Stunts
Paul McGillicuddy Subway Passenger (uncredited)
Andrew Rowlands Steadicam Operator, Camera Operator
Larry Mitchell Younger Priest
Henry Yuk Chinese Government Man
George B. Colucci Jr. Stunts
John Rue Luncheonette Proprietor
Joseph P. Reidy Priest w/ Young Colin, Assistant Director
Jim Ford Cadet (uncredited)