Johnny Depp
James 'Whitey' Bulger
Acting
Joel Edgerton
John Connolly
Acting
Julianne Nicholson
Marianne Connolly
Acting
Dakota Johnson
Lindsey Cyr
Acting
Kevin Bacon
FBI Agent Charles McGuire
Acting
Benedict Cumberbatch
Billy Bulger
Acting
Peter Sarsgaard
Brian Halloran
Acting
Juno Temple
Deborah Hussey
Acting
Jesse Plemons
Kevin Weeks
Acting
David Harbour
John Morris
Acting
Adam Scott
FBI Agent Robert Fitzpatrick
Acting
Corey Stoll
Fred Wyshak
Acting
Bill Camp
John Callahan
Acting
Mark Mahoney
Mickey Maloney
Acting
Brad Carter
John McIntyre
Acting
Scott G. Anderson
Tommy King
Acting
Lonnie Farmer
DEA Agent Eric Olsen (Interrogator)
Acting
Mary Klug
Mom Bulger
Acting
Erica McDermott
Mary Bulger
Acting
Luke Ryan
Douglas Cyr
Production
Owen Burke
Buddy Leonard
Acting
Lewis D. Wheeler
Jeremiah O'Sullivan
Acting
Billy Meleady
Joe Cahill
Acting
Jamie Donnelly
Mrs. Cody
Acting
David De Beck
Roger Wheeler
Acting
Gary Galone
State Captain
Acting
Rory Cochrane
Stephen Flemmi
Acting
James Russo
Agent Scott Gariola
Acting
Jeremy Strong
Josh Bond
Acting
Danae Nason
McGuire's Secretary
Acting
Bretton Manley
Young Boy
Acting
Berglind Jonsdottir
Anna Bjornsdottir
Acting
David Conley
Officer Flynn
Acting
Ciaran Crawford
Irish Nationalist
Acting
Thomas Philip O'Neill
FBI Wire Tech
Acting
Joey Vacchio
Joey, Big Italian
Acting
Bill Haims
Gennaro Angiulo
Acting
Anthony Molinari
Charlie McTiernan
Acting
Declan Mulvey
Charlie's Friend
Crew
Bates Wilder
Agent James
Acting
Marc Carver
Dick Lehr
Acting
Richard Donelly
Gerard O'Neill
Acting
Brian A. White
Prisoner
Acting
Peter Morse
FBI Agent
Acting
Tom Kemp
Father Mackey
Acting
Patrick M. Walsh
Michael Donahue
Acting
Naheem Garcia
DEA Agent
Acting
Kathryn A. Beauchamp
Nurse
Acting
Stephen Curran
Drug Dealer
Acting
Darin X.L. MacEachern
Drug Dealer
Acting
Cary 'Big Shug' Guy
Drug Dealer
Acting
Sean Malone
Crook
Acting
Jack Neary
Barman
Acting
Jimmy Joe Maher
Boot Shop Owner
Acting
Forry Buckingham
World Jai Alai Chairman
Acting
Danny DeMiller
Porthole Bartender
Acting
Michael F. Murphy
Porthole Customer
Acting
Alexander Cook
DEA Agent Dan Doherty
Acting
Ava Cooper
Little Mary Bulger
Acting
Stella Cooper
Kathleen Bulger
Acting
Arthur Hiou
Driver
Acting
Todd Ryan Jones
Charlie's Friend
Acting
Julie Ann Dawson
Floor Dancer (uncredited)
Acting
Fergaledgar
Trevor Williams (uncredited)
Acting
Robert E. Walsh
Sr. FBI Official (voice)
Acting
W. Earl Brown
John Martorano
Acting
Jim Powers
The Mayor
Acting
Jeff Kamps
Walker
Acting
Susan Garfield
Press Photographer
Acting
Colleen Kelly
Marion Hussey (uncredited)
Acting