艾米·亚当斯
Amy Adams
饰：露易丝·班克斯 Dr. Louise Banks
杰瑞米·雷纳
Jeremy Renner
饰：伊恩·唐纳利 Ian Donnelly
福里斯特·惠特克
Forest Whitaker
饰：韦伯上校 Colonel Weber
迈克尔·斯图巴
Michael Stuhlbarg
饰：Agent Halpern
马克·奥布莱恩
Mark O'Brien
饰：Captain Marks
马泰
Tzi Ma
饰：General Shang
娜塔莉·希波蒂
Nathaly Thibault
饰：Gala Guest (uncredited)
乔·科布登
Joe Cobden
饰：Cryptographer
派特·凯利
Pat Kiely
饰：Environmental Tech
朱利安·凯西
Julian Casey
饰：Australian Scientist
阮朴生
Russell Yuen
饰：Chinese Scientist
安德鲁·舍夫
Andrew Shaver
饰：Environmental Tech
蒋如思
Ruth Chiang
饰：Chinese Scientist
Tamara Sutherland
饰：TV Anchor
肖恩·坎贝尔
饰：TV Anchor
Bineyam Girma
饰：Sudan Representative
阿娜娜·里德瓦尔德
Anana Rydvald
饰：Danish Scientist
克里斯蒂安· 杰达
Christian Jadah
饰：Private Combs
Mustafa Haidari
Mustafa Haidari
饰：Foreign Correspondent (uncredited)
Philippe Hartmann
Philippe Hartmann
饰：Halpern's Deputy Director (uncredited)
Carmela Nossa Guizzo
饰：Hannah (4 yrs. old) (uncredited)
Alexander Da Mota
Alexander Da Mota
饰：Venezuelan Military (uncredited)
Sangita Patel
Sangita Patel
饰：TV Anchor
Leslie Baker
Leslie Baker
饰：Middle Aged Woman (uncredited)
Hal Roberts
Hal Roberts
饰：TV Anchor
Genevieve Sirois
Genevieve Sirois
饰：Cryptographer
Leisa Reid
Leisa Reid
饰：Nurse
Daniel Esteban
Daniel Esteban
饰：Venezuelan Representative
Julia Scarlett Dan
Julia Scarlett Dan
饰：12-Year-Old-Hannah
阿比盖尔·尼奥斯基
Abigail Pniowsky
饰：8-Year-Old-Hannah
麦克斯·沃克
Max Walker
饰：TV Anchor
Karen Belfo
Karen Belfo
饰：Skype CIA Agent (uncredited)
Robert D. Morais
饰：Master Sergeant Douglas (uncredited)
Laurean Adrian Parau
Laurean Adrian Parau
饰：US Army Major (uncredited)
Chloë Bellande
Chloë Bellande
饰：MIT College girl (uncredited)
Gurdeep Ahluwalia
饰：Soldier
Brittany Teo
饰：Grad Student with Smartphone
嘉登·马隆
Jadyn Malone
饰：6-Year-Old-Hannah
Frank Fiola
饰：Soldier (uncredited)
凯瑟琳·斯塔弗特
饰：Communications Ops
Michael Nangreaves
饰：Science Team Member
Akul Dang
Akul Dang
饰：Pakistani Scientist (uncredited)
Dave Campbell
Dave Campbell
饰：Soldier (uncredited)
Brian Dunstan
Brian Dunstan
饰：TV Anchor
Kattia Thony
Kattia Thony
饰：Nurse
Reda Guerinik
Reda Guerinik
饰：Communication Ops
Alex M. Yeuh
Alex M. Yeuh
饰：Japanese Minister
Matthew Willson
Matthew Willson
饰：Preacher
Sabrina Reeves
Sabrina Reeves
饰：Press Secretary
Lucy Van Oldenbarneveld
Lucy Van Oldenbarneveld
饰：CNAC Anchor
Lucas Chartier-Dessert
Lucas Chartier-Dessert
饰：Private Lasky
马克·卡马乔
Mark Camacho
饰：Richard Riley
萨沙·萨马尔
Sasha Samar
饰：Communication Ops
Sergiy Marchenko
饰：Russian Officer
阿卜杜勒·阿尤拉
Abdul Ayoola
饰：Sierra Leone Representative
布伦特·斯卡格福德
Brent Skagford
饰：Lieutenant
Lori Graham
Lori Graham
饰：TV Anchor
Dan Duran
Dan Duran
饰：TV Anchor
Ola Sturik
Ola Sturik
饰：TV Anchor
弗兰克·肖皮恩
Frank Schorpion
饰：Dr. Kettler
约翰·桑福德·穆尔
John Sanford Moore
饰：TV Anchor (as John Moore)
Tony Robinow
Tony Robinow
饰：British Scientist
Lorne Brass
Lorne Brass
饰：Cryptographer
Sonia Vigneault
饰：Dr. J. Bydwell
Albert Kwan
Albert Kwan
饰：Chinese Man
Orla Johannes
Orla Johannes
饰：TV Anchor
Abdelghafour Elaaziz
Abdelghafour Elaaziz
饰：African Representative
Victor Trelles
Victor Trelles
饰：Science Team Member
Adrien Benn
Adrien Benn
饰：Communication Ops
Camille Ross
Camille Ross
饰：TV Anchor
维克多·安德雷斯·特根-特雷莱斯
Victor Andres Turgeon-Trelles
拉里·戴
Larry Day
饰：CIA Officer Dan Ryder
朱里安·卡西
Julian Casey
饰：Australian Scientist
朱丽亚·斯嘉丽·丹
Julia Scarlett Dan
饰：Hannah (12 yrs. old)
帕特·凯利
饰：Environmental Tech
弗兰克·菲奥拉
Frank Fiola
饰：Soldier
Marc-André Goulet
饰：Heptapod
Martin Pelletier Jr.
饰：Heptapod
Paul-Antoine Taillefer
Paul-Antoine Taillefer
饰：Heptapod