Black Mass Cast
The cast of Black Mass.
Johnny Depp
as James 'Whitey' Bulger

Johnny Depp portrays the chillingly charismatic and ruthless gangster James 'Whitey' Bulger.

Joel Edgerton
as John Connolly

Joel Edgerton plays John Connolly, the ambitious and corrupt FBI agent who forms an unholy alliance with Bulger.

Julianne Nicholson
as Marianne Connolly

Julianne Nicholson takes on the role of Marianne Connolly, John Connolly's wife caught in the midst of his dangerous dealings.

Dakota Johnson
as Lindsey Cyr

Dakota Johnson portrays Lindsey Cyr, Whitey Bulger's longtime girlfriend and mother of his child.

Kevin Bacon
as FBI Agent Charles McGuire

Kevin Bacon plays FBI Agent Charles McGuire, a member of the task force assigned to bring down Bulger's criminal empire.

Benedict Cumberbatch
as Billy Bulger

Benedict Cumberbatch portrays Billy Bulger, Whitey's politician brother who struggles with his loyalty amidst his sibling's criminal activities.

Peter Sarsgaard
as Brian Halloran

Peter Sarsgaard takes on the role of Brian Halloran, a key witness in the FBI's case against Bulger.

Juno Temple
as Deborah Hussey

Juno Temple portrays Deborah Hussey, a young woman who becomes a victim of Bulger's violent ways.

Jesse Plemons
as Kevin Weeks

Jesse Plemons plays Kevin Weeks, a close associate of Whitey Bulger who ultimately becomes a key witness for the prosecution.

David Harbour
as John Morris

David Harbour takes on the role of John Morris, an FBI supervisor who becomes entangled in the corrupt dealings with Bulger.

Adam Scott
as FBI Agent Robert Fitzpatrick

Adam Scott portrays FBI Agent Robert Fitzpatrick, who becomes a whistleblower exposing the corruption within the FBI.

Corey Stoll
as Fred Wyshak

Corey Stoll plays Fred Wyshak, the federal prosecutor determined to bring Whitey Bulger to justice.

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