Amy Adams character Dr. Louise Banks
Jeremy Renner character Ian Donnelly
Forest Whitaker character Colonel G. T. Weber
Michael Stuhlbarg character Agent Halpern
Tzi Ma character General Shang
Mark O'Brien character Captain Marks
Julia Scarlett Dan character Hannah (12 yrs. old)
Abigail Pniowsky character Hannah (8 yrs. old)
Jadyn Malone character Hannah (6 yrs. old)
Carmela Nozza Guizzo character Hannah (4 yrs. old)
Andrew Shaver character Environmental Tech
Shawn Campbell character News Reporter
Larry Day character Deputy Director of the CIA Dan Ryder
Pat Kiely character Environmental Tech
Frank Schorpion character Dr. Kettler
Lucas Chartier-Dessert character Private Lasky
Lucy Van Oldenbarneveld character CNAC Anchor
Sonia Vigneault character Dr. J. Bydwell
Mark Camacho character Richard Riley
Sabrina Reeves character Press Secretary
Russell Yuen character Chinese Scientist
Julian Casey character Australian Scientist
Tony Robinow character British Scientist
Anana Rydvald character Danish Scientist
Ruth Chiang character Chinese Scientist
Sergiy Marchenko character Russian Officer
Brittany Teo character Student with Smartphone
Chistian Jadah character Private Combs
Joe Cobden character Cryptographer #1
Lorne Brass character Cryptographer #2
Genevieve Sirois character Cryptographer #3
Abdul Ayoola character Sierra Leone Representative
Bineyam Girma character Sudanese representative
Abdelghafour Elaaziz character African Representative
Daniel Esteban character Venezuelan Representative
Hal Roberts character American TV News Anchor
Matthew Willson character Preacher
Victor Andres Trelles Turgeon character Science Team Member #1
Michael Nangreaves character Science Team Member #2
Robert D. Morais character Master Sergeant Douglas
Mustafa Haidari character Foreign Correspondent
Albert Kwan character Chinese Man
Reda Guerinik character Communications Operator #1
Adrien Benn character Communications Operator #2
Sasha Samar character Communications Operator #3
Kathleen Stavert character Communications Operator #4
Kattia Thony character Nurse
Leisa Reid character Nurse
Brent Skagford character Lieutenant
Gurdeep Ahluwalia character Soldier
Brian Dunstan character TV Anchor
Dan Duran character TV Anchor
Lori Graham character TV Anchor
Orla Johannes character TV Anchor
Sangita Patel character TV Anchor
Tammie Sutherland character TV Anchor
Max Walker character TV Anchor
John Sanford Moore character TV Anchor
Camille Ross character TV Anchor
Ola Sturik character TV Anchor
Karen Belfo character Skype CIA Agent (uncredited)
Chloë Bellande character MIT College girl (uncredited)
Philippe Hartmann character Halpern's Deputy Director (uncredited)
Laurean Adrian Parau character US Army Major (uncredited)
Nathaly Thibault character Gala Guest (uncredited)
Leslie Baker character Middle Aged Woman (uncredited)
Christian Jadah character Private Combs
Alex M. Yeuh character Japanese Minister
Dave Campbell character Soldier
Alexander Da Mota character Venezuelan Military
Akul Dang character Pakistani Scientist
Frank Fiola character Soldier
