Rory

Matt Damon

Cobby

Casey Affleck

Dr. Donna Rivera

Hong Chau

Mr. Besegai

Michael Stuhlbarg

Frank Toomey

Ving Rhames

Scalvo

Jack Harlow

Booch

Paul Walter Hauser

Mayor Miccelli

Ron Perlman

Richie Dechico

Alfred Molina

Charlie Haggerty

Owen Earls

Mrs. Haggerty

Natalie Carter

Terry

Walter Terry Liebman

Mr. Kelly

André De Shields

Rob Gronkowski

Rob Gronkowski

Attorney Alan Flynn

Toby Jones

Dave Wedge

Slate Holmgren

Mark Choi

Ronnie Cho

Waiter #1 at Wharf

Sheika Murray

Waiter #2 at Wharf

Perry Strong

City Hall Employee

Nick Trice

Police Commissioner

Tommy Nohilly

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 Steven Dancewicz

Sniper in Tower

Brett Keating

Police on the Roof

Michael Rodrick

Senior Tactical Cop

Eleni Yiovas

Senior Cop at Plaza

Gregory Cunningham

Cop at Barricade

Peter Morse

Cop That Says Hey

Robert Marsella

Officer at Airport

Don DiPetta

Police Transfer Officer

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

Jonathan Gabriel Charles

Director

Doug Liman