Chappaquiddick

Clancy Brown

Robert McNamara

Ed Peed

Eugene Frieh

Chris Edgerly

Edmund Dinis (voice)

Ed Helms

Joseph Gargan

Paul Pape

Dick Drayne (voice)

Tamara Hickey

Marilyn Richards

Piotr Michael

Newscaster (voice)

Wally Wingert

Newscaster (voice)

Kate Mara

Mary Jo Kopechne

Jim Gaffigan

Paul Markham

Bruce Dern

Joseph Kennedy

Olivia Thirlby

Rachel Schiff

Jason Clarke

Ted Kennedy

Gary Tanguay

TV Interviewer

Paul Bellefeuille

Dike House Resident (uncredited)

Scooter Perrotta

-

Nicolas Harvard

-

Taylor Nichols

Ted Sorensen

Susan Garfield

Senate Staffer (uncredited)

Thomas Brogan

Edgartown Policeman

Matthew Lawler

Dun Gifford

Nancy O'Brien

Neighbor

Lexie Roth

Nance Lyons

Jake Head

James Smith (voice)

Alison Wachtler

Liz Trotta

Kimberly Mae Waller

Funeral Guest (uncredited)

Victor Warren

Stephen Smith

John Fiore

Chief Arena

Tony Viveiros

Floor Producer

Andria Blackman

Joan Kennedy

Damien Di Paola

Ray LaRosa

Gillian Mariner Gordon

Cricket

Katie Henoch

Suzy

Angela Hope Smith

Maryellen Lyons

Vincent Tycer

David Burke

David De Beck

Sargent Shriver

Barry Press

Burke Marshall

Beth Petrou

Ann Gargan

Thomas Kee

Walter Steele

Donald Watson

Dr. Watt

Walter Driscoll

Dr. Mills

Joe Chase

John Farrar

Joseph Zamparelli

Officer Look

Charlotte Dore

Gwen Kopechne

Tim Jackson

Joseph Kopechne

Bill Humphreys

-

Diana Boudreau

Police Secretary

Sean Patrick Hopkins

Ross Richards

Tom O'Brien

Neighbor's Husband

Noah Carpenter

Teddy Jr.

Sarah Elizabeth Mitchell

Senate Secretary

A.J. Accardi

Hotel Clerk

Theresa Curran

Cantor

Michele Proude

Vicki

Michael Fennimore

Chief of Staff

George Capaccio

Doctor

Dustin Tucker

Senatorial Aide

Jack Harte

Reporter #1

Bob Jaffe

Reporter #2

Brian Currie

Reporter #3

Bill Mootos

Older Reporter

Jody Ebling

Ethel Kennedy

Philip Dorn Hebert

Jack Crimmins

Holt Murray

Mr. Samuels

Sawyer Murray

Donnie

Rick Malone

Steele Cronie

Rick Hamilton

Ferry Captain

Caleb Enos

Deckhand

Paul Taft

Vineyard Gazette Photographer

David Callanan

-

Thomas Whitestone

Organist

Patrick Sheehan

-

Jeff Savage

John Culver

Tom Briody

Lawyer

David Lucas

Lawyer

Ed O'Keefe

Funeral Priest

Charles Mathison

Admin Worker

Luke Nelson

Admin Worker

Robert Tremouille

Admin Worker

Skye Gladstone

Dike House Inhabitant

Timothy Canady

Security Agent

Patrick Parhiala

Security Agent

Whitney Cass

Security Agent

Robert Conley

Security Agent

Michael Swanson

Security Agent

Ralph Bennett

Fire Truck Driver

Nathan Bruckler

Tow Truck Driver

Camille Faman

Female Employee

Carrie Ann Quinn

RMV Attendant

Marinko Radakovic

Reporter

Joe Cali

Reporter (uncredited)

Rob DiNinni

Reporter #4 (uncredited)

Stephan F Feeley

Funeral guest / mourner (uncredited)

William Galatis

Shiretown Inn Guest (uncredited)

Johnny Hawe

Stephen Sorenson (uncredited)

Bobby Kenney

Investigative News Reporter (uncredited)

Dov Kling-Levine

Protester / Local (uncredited)

Jimmy Malcolm

News Photographer (uncredited)

Jason Mulcahy

Reporter (uncredited)

Anthony Pelton

Plymouth Pennsylvania Polic Officer (uncredited)

Bill Porter

Investigative News Reporter (uncredited)

Harold Rudolph

Funeral attendee (uncredited)

John Sarnie

Mourner (uncredited)

Alexander Platt

Stan Moore

Sigrid Lium

Senate Staffer (uncredited)

John Curran

-

Alyssa Boffoli

-

Robert Burke

Admin Worker