Trailer
Cast
Bill Camp
John Callahan
Erica McDermott
Mary Bulger
Gary Galone
State Captain
Dakota Johnson
Lindsey Cyr
Danae Nason
McGuire's Secretary
Corey Stoll
Fred Wyshak
Joel Edgerton
John Connolly
Patrick M. Walsh
Michael Donahue
Juno Temple
Deborah Hussey
Jesse Plemons
Kevin Weeks
David Harbour
John Morris
Brad Carter
John McIntyre
Robert E. Walsh
Sr. FBI Official (voice)
Jamie Donnelly
Mrs. Cody
Rory Cochrane
Stephen Flemmi
Naheem Garcia
DEA Agent
Adam Scott
FBI Agent Robert Fitzpatrick
Scott G. Anderson
Tommy King
James Russo
Agent Scott Gariola
Anthony Molinari
Charlie McTiernan
Brian A. White
Prisoner
Cary 'Big Shug' Guy
Drug Dealer
Jim Powers
The Mayor
Jeff Kamps
Walker
Johnny Depp
James 'Whitey' Bulger
Julianne Nicholson
Marianne Connolly
Owen Burke
Buddy Leonard
Bates Wilder
Agent James
Benedict Cumberbatch
Billy Bulger
Mark Mahoney
Mickey Maloney
David De Beck
Roger Wheeler
Arthur Hiou
Driver
Kevin Bacon
FBI Agent Charles McGuire
Peter Sarsgaard
Brian Halloran
Lewis D. Wheeler
Jeremiah O'Sullivan
Thomas Philip O'Neill
FBI Wire Tech
W. Earl Brown
John Martorano
Colleen Kelly
Marion Hussey (uncredited)
Declan Mulvey
Charlie's Friend
Tom Kemp
Father Mackey
Jack Neary
Barman
Susan Garfield
Press Photographer
Lonnie Farmer
DEA Agent Eric Olsen (Interrogator)