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
Rory Cochrane
Earl Rose
Matt Barr
Paul Mikkelson
Austin Nichols
Emory Roberts
Gil Bellows
David Powers
Jonathan Breck
Winston Lawson
Elizabeth Tulloch
Marilyn Sitzman
Dana Wheeler-Nicholson
Lillian Zapruder
Kat Steffens
Jacqueline Kennedy
Brett Stimely
President Kennedy
Sean McGraw
Lyndon B. Johnson
Gary Grubbs
Dr. Kemp Clark
Bryan Batt
Malcolm Kilduff
Glenn Morshower
Mike Howard
Chuck Huber
Hugh Jamieson
Gary Clarke
Admiral George Burkley
Mallory Moye
Emergency Room Nurse
Jason Douglas
Ken Howe
Larry Jack Dotson
Acme Brick Supervisor
Nico Evers-Swindell
Rufus Youngblood
Irene White
Hospital Switchboard Operator #1
Luci Christian
Hospital Switchboard Operator #2
Chris Freihofer
Chamberlain
Oryan Landa
Texas Ranger
Heath Allyn
Secret Service Agent (uncredited)
John Cann
Secret Service Agent (uncredited)
Anthony J. Caruso
Secret Service Agent (uncredited)
Darryl Cox
Gen. Godfrey McHugh (uncredited)
Anne Lockhart
ER Nurse (uncredited)
Greg Wise
Doctor in Trauma Room (uncredited)
Armando Gutierrez
Dallas Police Officer - Glen McBride (uncredited)
