Chappaquiddick— Full Cast

Jason Clarke

as Ted Kennedy

Kate Mara

as Mary Jo Kopechne

Ed Helms

as Joseph Gargan

Bruce Dern

as Joseph Kennedy

Jim Gaffigan

as Paul Markham

Olivia Thirlby

as Rachel Schiff

Clancy Brown

as Robert McNamara

Taylor Nichols

as Ted Sorensen

John Fiore

as Chief Arena

Gillian Mariner Gordon

as Cricket

Katie Henoch

as Suzy

Lexie Roth

as Nance Lyons

Angela Hope Smith

as Maryellen Lyons

Vincent Tycer

as David Burke

Victor Warren

as Stephen Smith