本片是对美国总统约翰·肯尼迪遇刺当天，在达拉斯帕克兰医院发生的的混乱事件的再现和重述。
Zac Efron
Jim Carrico
Marcia Gay Harden
Doris Nelson
Paul Giamatti
Abraham Zapruder
Billy Bob Thornton
Forrest Sorrels
Jacki Weaver
Marguerite Oswald
Ron Livingston
James Hosty
Jeremy Strong
Lee Harvey Oswald
James Badge Dale
Robert Oswald
Tom Welling
Roy Kellerman
Colin Hanks
Dr. Malcom Perry
Jackie Earle Haley
Father Oscar Huber
David Harbour
Gordon Shanklin
Paul Sparks
Harry McCormick
Mark Duplass
Kenneth O'Donnell
