Black Mass

Black Mass Cast

70 cast members · 21 with popularity data

Most Popular Black Mass Cast Members

Dakota Johnson is currently the most popular Black Mass cast member online with a Attention Score of 10.8. 7 of 70 cast members rank in the top 1,000 actors online today. Updated September 15, 2026.

James 'Whitey' Bulger

Peter Sarsgaard

FBI Agent Robert Fitzpatrick

FBI Agent Charles McGuire

Benedict Cumberbatch

Julianne Nicholson

Marianne Connolly

Agent Scott Gariola

#10,459 overall

#28,423 overall

#31,979 overall

Erica McDermott

#41,632 overall

Cary 'Big Shug' Guy

#43,551 overall

Scott G. Anderson

DEA Agent Eric Olsen (Interrogator)

Lewis D. Wheeler

Jeremiah O'Sullivan

McGuire's Secretary

Berglind Jonsdottir

Anna Bjornsdottir

Ciaran Crawford

Irish Nationalist

Thomas Philip O'Neill

Joey, Big Italian

Gennaro Angiulo

Anthony Molinari

Charlie McTiernan

Charlie's Friend

Richard Donelly

Patrick M. Walsh

Michael Donahue

Kathryn A. Beauchamp

Darin X.L. MacEachern

Jimmy Joe Maher

Boot Shop Owner

Forry Buckingham

World Jai Alai Chairman

Porthole Bartender

Michael F. Murphy

Porthole Customer

DEA Agent Dan Doherty

Little Mary Bulger

Kathleen Bulger

Todd Ryan Jones

Charlie's Friend

Julie Ann Dawson

Floor Dancer (uncredited)

Trevor Williams (uncredited)

Robert E. Walsh

Sr. FBI Official (voice)

Press Photographer

Marion Hussey (uncredited)

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