Rory

Matt Damon

Dr. Donna Rivera

Hong Chau

Cobby

Casey Affleck

Scalvo

Jack Harlow

Frank Toomey

Ving Rhames

Mr. Besegai

Michael Stuhlbarg

Richie Dechico

Alfred Molina

Booch

Paul Walter Hauser

Charlie Haggerty

Owen Earls

Attorney Alan Flynn

Toby Jones

Mrs. Haggerty

Natalie Carter

Terry(as Walter Terry Liebman)

Walter Liebman

Mayor Miccelli

Ron Perlman

Mr. Kelly

André De Shields

Terry

Walter Terry Liebman

Rob Gronkowski

Rob Gronkowski

Dave Wedge

Slate Holmgren

Mark Choi

Ronnie Cho

Waiter #1 at Wharf

Sheika Murray

Waiter #2 at Wharf

Perry Strong

City Hall Employee

Nick Price

Police Commissioner

Tommy Nohilly

City Hall Employee

Nick Trice

Cabinet Member

Jason Furlani

Bouncer

David Gborie

John Wayne

Toby Onwumere

Colani

Scout Backus

Sergeant at Rivera's Office

Nicholas B. Alexander

Massachusetts Trooper #1

Nathaniel Wood

Massachusetts Trooper #2

Craig Hutchinson

Boston Police Officer

Mike Bash

Vermont Cop

Deirdre McCourt

Quincy Cop

Shawn Fitzgibbon

Fire Monitor

Jerry Kernion

Hero Fireman

Nik Walker

Bartender

Ramona Floyd

Tactical Cop

Mark Dancewicz

Sniper in Tower

Brett Keating

Tactical Cop

Mark Steven Dancewicz

Police on the Roof

Michael Rodrick

Senior Tactical Cop

Eleni Yiovas

Senior Cop at Plaza(as Gregory Cunningham)

Greg Cunningham

Cop at Barricade

Peter Morse

Senior Cop at Plaza

Gregory Cunningham

Cop That Says Hey

Robert Marsella

Officer at Airport

Don DiPetta

Police Transfer Officer(as Chris Roach)

Christopher Brian Roach

New Police Commissioner

Billy Smith

Photographer

John Noble Barrack

Rory's Son

Jadon Cole

Border Patrol Mountie #1

Robbie Dema

Border Patrol Mountie #2

Robert Harvey

Pollster(as Jonathan Charles)

Jonathan Gabriel Charles

BPD Officer(uncredited)

Henry Acosta

Press Member(uncredited)

Sidney Bottino

Self (uncredited)

Craig 'Radio Man' Castaldo

BPD Officer(uncredited)

Jeff Bouffard

Veteran (Uncredited)

Merritt Chase

Boston Police Commander(uncredited)

Peter Brownlee

Quincy Cop(uncredited)

Iván Amaro Bullón

BPD Officer(uncredited)

Travis Campbell

Self(uncredited)

Craig Castaldo

Onlooker(uncredited)

Karla Collins

Female Protester(uncredited)

Chanel Rose Connor

BPD Officer(uncredited)

Sheila Consiglia

BPD Officer(uncredited)

Kevin F. Conway

SWAT Police(uncredited)

Stevie Costa

Mayor's Staffer(uncredited)

Kevin Daigneault

Press Member(uncredited)

Dennis Daniels

Couple #1(uncredited)

Sunny Dennis

Young Cop(uncredited)

Robert Deon

Boston Police(uncredited)

Tierre Diaz

Protester(uncredited)

Jon DiVito

Protester(uncredited)

Matt DiVito

Protester(uncredited)

Vasilah Ellison

SWAT Team Member(uncredited)

Matt Florio

City Hall Employee(uncredited)

Jeffrey Ford

Pedestrian(uncredited)

Heidi Garza

Sean(uncredited)

Omar Moustafa Ghonim

Bar Patron(uncredited)

Holden Goodman

Detective(uncredited)

Anthony Gullotta

SWAT Team Member(uncredited)

Josh Habib

Protest Leader(uncredited)

Shawn Harding

SWAT Team Member(uncredited)

Shane T. Harris

Protester(uncredited)

Ian Hawkins

nm7683074(uncredited)

Derek Hedlund

BPD Officer(uncredited)

Ian Dylan Hunt

Guest(uncredited)

Tom Johnson

Precision Driver(uncredited)

Ken Kansky

Mayor's Aide(uncredited)

Julian Karian

Subway Commuter(uncredited)

Bob Leszczak

SWAT Team Member(uncredited)

Tom Mariano

Boston Police Officer(uncredited)

Cal McMenemy

City Hall Staffer(uncredited)

Casey McNeal

Firefighter(uncredited)

Wes Meserve

Jerry the Grocer(uncredited)

Richie Moriarty

Bar Patron(uncredited)

Annie Pisapia

Picture Car Driver(uncredited)

Rickland Powell

Protester(uncredited)

DayDay Selaht

BPD Officer(uncredited)

Rhonda Araujo Smith