扎克·埃夫隆
Zac Efron
饰：Jim Carrico
保罗·吉亚玛提
Paul Giamatti
饰：Abraham Zapruder
朗·里维斯顿
Ron Livingston
饰：James Hosty
汤姆·威灵
Tom Welling
饰：Roy Kellerman
比利·鲍伯·松顿
Billy Bob Thornton
饰：Forrest Sorrels
杰基·厄尔·哈利
Jackie Earle Haley
饰：Father Oscar Huber
科林·汉克斯
Colin Hanks
饰：Dr. Malcom Perry
詹姆斯·贝吉·戴尔
James Badge Dale
饰：Robert Oswald
马克·杜普拉斯
Mark Duplass
饰：Kenneth O'Donnell
奥斯汀·尼可斯
Austin Nichols
饰：Emory Roberts
马西娅·盖伊·哈登
Marcia Gay Harden
饰：Doris Nelson
马特·巴尔
Matt Barr
饰：Paul Mikkelson
罗利·科奇瑞恩
Rory Cochrane
饰：Earl Rose
杰基·韦弗
Jacki Weaver
饰：Marguerite Oswald
吉尔·贝罗斯
Gil Bellows
饰：David Powers
比茜·图诺克
Bitsie Tulloch
饰：Marilyn Sitzman
乔纳森·布瑞克
Jonathan Breck
饰：Winston Lawson
格伦·莫肖尔
Glenn Morshower
饰：Mike Howard
拜伦·巴特
Bryan Batt
饰：Kilduff
大卫·哈伯
David Harbour
饰：Gordon Shanklin
保罗·斯帕克斯
Paul Sparks
饰：Harry McCormick
杰瑞米·斯特朗
Jeremy Strong
饰：Lee Harvey Oswald
德鲁·沃特斯
Drew Waters
饰：Col. Swindal
加里·格鲁布斯
Gary Grubbs
饰：Dr. Kemp Clark
Chuck Huber
饰：Hugh Jameison
卡尔·贝利
Carl Bailey
饰：Texas Ranger
尼克·艾沃斯-斯文德尔
Nico Evers-Swindell
饰：Rufus Youngblood
杰森·道格拉斯
Jason Douglas
饰：Kenny Howe
马洛里·莫伊
Mallory Moye
饰：Flirty Nurse
塞缪尔·戴维斯
Samuel Davis
饰：Trauma Resident
布雷特·史泰利
Brett Stimely
饰：President John F. Kennedy
Kat Steffens
饰：Jacqueline Kennedy
加里·克拉克
Gary Clarke
饰：Admiral George Berkley
罗伯特·卡特里尼
Robert Catrini
饰：Funeral Director Vernon B. O'Neal
理查德·迪拉德
Richard Dillard
饰：Theron Ward
Matthew Tompkins
Matthew Tompkins
饰：Sorrel's Agent
加里·提格
Gary Teague
Devin Bonnée
饰：Billy
拉里·杰克·唐森
Larry Jack Dotson
饰：Supervisor
Eric Zettina
饰：FBI Agent
Stephen Latham
饰：Texas Ranger
达里尔·考克斯
Darryl Cox
饰：Gen. Godfrey McHugh
Armando Gutierrez
饰：Dallas Police Officer - Glen McBride
克里斯·弗雷霍夫
Chris Freihofer
饰：Phil Chamberlain
Irene White
Irene White
饰：Switchboard Operator #1
A.J. McVicker
饰：Texas Ranger
克丽丝汀·米勒
Kristin Miller White
饰：Hosty's Stenographer
Peggy Schott
饰：Nellie Connally
朱莉娅·拉雪
Julia Lashae
饰：Nurse (Trauma 1)
Sarah Joy Byington
饰：Marina Oswald
理查德·杰克森
Richard Jackson
饰：Sergeant Bob Dugger
丹尼尔·祖比亚特
Daniel Zubiate
饰：Texas Ranger
David Z. Roberts
饰：Clint Hill (as David Roberts)
Mia Rangel
饰：Patient
Gene Cervenka
Gene Cervenka
饰：Dallas Police Officer
Elisabeth Raine
饰：Mourner at Hospital
Zach Kepple
饰：Texas Ranger-Dealey Plaza
Heath Allyn
饰：Secret Service Agent
Joe Nemmers
饰：Agent
Rod Hermansen
饰：Texas Ranger
Chris J. Knight
饰：Texas Ranger
Jenny Gravenstein
饰：Duty Nurse
Aidan Sullivan
饰：ER Nurse
Bill Lemens
饰：Oswald's Secret Service Driver
Walt Roberts
饰：Detective
纳撒尼尔·霍尔特
Nathaniel Holt
饰：Acme Brick Employee
Paul Nye
饰：Reporter
Rob Gallavan
饰：Lem Johns
Caroline McNeil
饰：Mourner at Hospital
Lee Sheridan
饰：Hospital Patient
Anthony J. Caruso
饰：Secret Service Agent
Dan Silver
饰：Surgeon
Richard Dodwell
饰：Priest
Craig Taylor
饰：Civilian
Ellen Dolan
饰：Time Keeper
Klifton Kruger
饰：Secret Service Agent
Arthur Simone
饰：Doctor 2
Lesley Ann Rupp
饰：Nurse
David Eaton
饰：Police Officer - Dealey Plaza
Richard Klein
饰：Detective Banks
Steven Mitchell
饰：President Aide
Charles E. Gray
饰：FBI Agent
Susan Roberts
饰：Admissions Clerk
Cheryl Bond Danks
饰：Hospital Visitor
Jet Baker
饰：Surgeon
Deborah J. Wilson
饰：Mourner at Hospital (as Deborah Wilson)
Jeremy Connors
饰：Witness
Jake Uriah Rupp
饰：Dallas Police Officer - W.G. Lumpkin
Virginia Allee
饰：Nurse (uncredited)
Drew Brown
饰：Dallas Police Officer - L.E. Grey (uncredited)
John P. Funk
饰：Reporter (uncredited)
Glenn Page
饰：Featured Extra, detective (uncredited)
Nick Pernokas
饰：FBI Agent (uncredited)
Rebekah Spencer
饰：Civilian (uncredited)
Greg Wise
饰：Doctor in Trauma Room (uncredited)
Casey Charland
饰：Hospital Visitor
Courtney Hans
饰：Acme Brick Employee
Eugene Lee
Eugene Lee
饰：Orderly
Sean McGraw
饰：Lyndon B. Johnson
Ellen Halper
饰：Acme Brick Timekeeper
Jimmie Dale Gilmore
饰：Reverend Saunders
露西·克里斯蒂安
Luci Christian
饰：Hospital Switchboard Operator #2
Chamblee Ferguson
Chamblee Ferguson
饰：Dallas Morning News Lab Tech
John Taylor Phillips
饰：FBI Agent
丹娜·维勒尔-尼科尔森
Dana Wheeler-Nicholson
饰：Lillian Zapruder