November 22nd, 1963 was a day that changed the world forever — when young American President John F. Kennedy was assassinated in Dallas, Texas. This film follows, almost in real time, a handful of individuals forced to make split-second decisions … Zac Efron, Marcia Gay Harden, Paul Giamatti, Billy Bob Thornton, Jacki Weaver, Ron Livingston, Jeremy Strong Added on HBO 2023-07-21. Youtube Trailer