Pablo Larraín Director Natalie Portman Jackie Kennedy Actor Peter Sarsgaard Bobby Kennedy Actor Greta Gerwig Nancy Tuckerman Actor Billy Crudup The Journalist Actor John Hurt The Priest Actor Richard E. Grant Bill Walton Actor John Carroll Lynch Lyndon B. Johnson Actor Beth Grant Lady Bird Johnson Actor Max Casella Jack Valenti Actor Caspar Phillipson John Fitzgerald Kennedy Actor Noah Oppenheim Screenwriter Juan de Dios Larraín Producer Darren Aronofsky Producer Mickey Liddell Producer Scott Franklin Producer Ari Handel Producer Pete Shilaimon Executive Producer Jennifer Monroe Executive Producer Jayne Hong Executive Producer Wei Han Executive Producer Lin Qi Executive Producer Josh Stern Executive Producer Stéphane Fontaine Cinematographer Sebastián Sepúlveda Film Editing Mica Levi Original Music Jean Rabasse Production Design Halina Gebarowicz Art Director Mathieu Junot Art Director Agnes Demaegot Set Decoration Véronique Melery Set Decoration Madeline Fontaine Costume Design Lindsay Graham Casting Jessica Kelly Casting Mathilde Snodgrass Casting Mary Vernieu Casting