James 'Whitey' Bulger
John Connolly
Marianne Connolly
Lindsey Cyr
FBI Agent Charles McGuire
Billy Bulger
Brian Halloran
Deborah Hussey
Kevin Weeks
John Morris
FBI Agent Robert Fitzpatrick
Fred Wyshak
John Callahan
Mickey Maloney
John McIntyre
Tommy King
DEA Agent Eric Olsen (Interrogator)
Mom Bulger
Mary Bulger
Douglas Cyr
Buddy Leonard
Jeremiah O'Sullivan
Joe Cahill
Mrs. Cody
Roger Wheeler
State Captain
Stephen Flemmi
Agent Scott Gariola
Josh Bond
McGuire's Secretary
Young Boy
Anna Bjornsdottir
Officer Flynn
Irish Nationalist
FBI Wire Tech
Joey, Big Italian
Gennaro Angiulo
Charlie McTiernan
Charlie's Friend
Agent James
Dick Lehr
Gerard O'Neill
Prisoner
FBI Agent
Father Mackey
Michael Donahue
DEA Agent
Nurse
Drug Dealer
Drug Dealer
Drug Dealer
Crook
Barman
Boot Shop Owner
World Jai Alai Chairman
Porthole Bartender
Porthole Customer
DEA Agent Dan Doherty
Little Mary Bulger
Kathleen Bulger
Driver
Charlie's Friend
Floor Dancer (uncredited)
Trevor Williams (uncredited)
Sr. FBI Official (voice)
John Martorano
The Mayor
Walker
Press Photographer
Marion Hussey (uncredited)
Sound Mixer
Director
Producer
Screenplay
Producer
Executive Producer
Editor
Executive Producer
Director of Photography
Producer
Executive Producer
Executive Producer
Executive Producer
Producer
Costume Design
Producer
Screenplay
Executive Producer
Executive Producer
Production Design
Executive Producer
Executive Producer
Stunts
Book
Hair Department Head
Set Decoration
Supervising Sound Editor
Sound Designer
Script Supervisor
Original Music Composer
Sound Re-Recording Mixer
First Assistant Editor
Book
Costume Supervisor
Art Direction
Still Photographer
Sound Editor
Sound Effects Editor
Music Editor
Sound Re-Recording Mixer
Supervising Sound Editor
Sound Re-Recording Mixer
Stunts
Art Department Coordinator
Makeup Department Head
Casting Associate
Art Department Assistant
Casting
Hairstylist
Casting Associate
Steadicam Operator
Assistant Costume Designer
Makeup Artist
First Assistant Camera
Armorer
Gaffer
Assistant Art Director
Key Hair Stylist
Wigmaker
First Assistant Camera
Rigging Gaffer
Visual Effects Editor
Visual Effects Supervisor
Stunt Coordinator
Construction Coordinator
Visual Effects Producer
CG Supervisor
Visual Effects Coordinator
Co-Executive Producer
Associate Producer
Co-Executive Producer
Co-Executive Producer
Executive Producer
Executive Producer
Property Master
Stunts
Assistant Property Master
First Assistant Director
Assistant Property Master
Carpenter
Set Designer
Set Designer
24 Frame Playback
Prop Maker
Leadman
Set Dresser
Picture Car Coordinator
Second Assistant Director
Aerial Director of Photography
Prop Maker
Key Rigging Grip
Lighting Technician
First Assistant Camera
Rigging Grip
Dolly Grip
Second Assistant Camera
Assistant Chief Lighting Technician
Camera Operator
Camera Operator
Second Assistant Camera
Best Boy Grip
Chief Lighting Technician
Key Grip
Second Assistant Camera
Dolly Grip
Costumer
Additional Editing
Compositor
Costumer
Digital Intermediate
Production Accountant
Mixing Engineer
Music Programmer
Supervising Music Editor
Unit Production Manager
Boom Operator
Costumer
Digital Intermediate Producer
Compositor
Visual Effects
ADR Mixer
Special Effects Coordinator
First Assistant Sound Editor
Digital Conform Editor
Travel Coordinator
Digital Compositor
Costumer
Second Assistant Accountant
CG Artist
Visual Effects
Visual Effects
ADR Mixer
Hairstylist
Costumer
Location Manager
Visual Effects
Visual Effects Coordinator
Costumer
Digital Intermediate Producer
Location Manager
Unit Publicist
Production Supervisor
Matte Painter
Visual Effects
Second Second Assistant Director
Key Makeup Artist
Key Makeup Artist
Dialect Coach
Compositor
Title Designer
Foley Mixer
Prosthetic Supervisor
Costumer
Assistant Editor
Dialect Coach
Production Secretary
Foley Mixer
Senior Colorist
Legal Services
Title Designer
Foley Artist
Foley Artist