Natalie Portman

Jackie Kennedy

Peter Sarsgaard

Robert Kennedy

Greta Gerwig

Nancy Tuckerman

Billy Crudup

The Journalist

John Hurt

The Priest

Richard E. Grant

Bill Walton

Caspar Phillipson

John Fitzgerald Kennedy

Beth Grant

Lady Bird Johnson

John Carroll Lynch

Lyndon B. Johnson

Max Casella

Jack Valenti

Sara Verhagen

Mary Gallagher

Hélène Kuhn

Pam Turnure

Deborah Findlay

Maud Shaw

Corey Johnson

Larry O'Brien

Aidan O'Hare

Ken O' Donnell

Ralph Brown

Dave Powers

David Caves

Clint Hill

Penny Downie

Janet Lee

Georgie Glen

Rose Kennedy

Julie Judd

Ethel Kennedy

Peter Hudson

Admiral George Burkley

John Paval

Dr. John Walsh

Craig Sechler

Governor Connally

Serge Onteniente

Charles de Gaulle

Sunnie Pelant

Caroline Kennedy

Roland Pidoux

Pablo Casals

Emmanuel Herault

Robert McNamara

Chloé Berthier

Toni Bradlee

Eric Soubelet

Benjamin Bradlee

Mathilde Ripley

Joan Bennett Kennedy

Frédérique Adler

Eunice Kennedy Shriver

Patrick Hamel

Sargent Shriver

Benjamin Loeh

Kennedy Family Member

Marla Aaron Wapner

Dallas Kennedy Fan

Yann Bean

Air Force Officer

Chrisdine King

Joan Kennedy

Grégoire Foessel

Death Watch Guard

Maya Nalli

Mourner

Lee Harvey Oswald

Self (archive Footage)