Keanu Reeves Klaatu
Jennifer Connelly Helen Benson
Jaden Smith Jacob Benson
Jon Hamm Michael Granier
Rick Stribling Grip
Andrew W. Davidson Gaffer
James Hong Mr. Wu
Scott Derrickson Director
Kathy Bates Regina Jackson
John Cleese Professor Barnhardt
Robert Knepper Colonel
Ken Kirzinger Arguing Evacuee
Serge Houde Scientist #1
William Mesa Visual Effects Supervisor
Kyle Chandler John Driscoll
Frederick Howard Sound Editor
Hugo Steele Stunts
Lorena Gale Scientist #2
Noah Beggs Stunts
Rukiya Bernard Student
Peter Ochotta Set Designer
Ty Olsson Flash Chamber Colonel
Emily Wallin Visual Effects Producer
Geoff Meed Field Commander Communications Officer
Kurt Max Runte Civil Engineer
Marci T. House Medic #3
Dylan Dowd Greensman
Rob Fournier Armorer
Bill Mondy Helicopter Scientist #2
Grace Lambert Pyke Set Costumer
Richard Keats Helicopter Scientist #1
Mindy Marin Casting
Scott Fritts Animation
Heather Doerksen Regina's Aide
Darien Provost Little Boy
Sunita Prasad Rouhani
Hans Bjerno Aerial Director of Photography
Aaron Craven Technician
John Rothman Dr. Myron
Tanya Champoux Isabel
Paul Story Lead Animator
Lincoln Kupchak VFX Editor
Jeffrey A. Okun Visual Effects Supervisor
Judith Maxie Helicopter Scientist #3
Nick Brandon Stunts
Leanne Adachi Flash Chamber Tech
Stefanie Samuels Guardswoman
Jussi Tegelman Sound Editor
Roger Cross General Quinn
Brandon T. Jackson Target Tech
Jim Dunlap First Assistant Accountant
Carrick O'Quinn Stunts
Bela Trutz Camera Operator
Michael Hogan General
Francisco X. Pérez Makeup Artist
Tyler Bates Original Music Composer
Patrick Sabongui Soldier #1
Norma Hill-Patton Key Makeup Artist
David Scarpa Screenplay
Melissa R. Stubbs Stunts
Gary Burritt Negative Cutter
Paul Harris Boardman Producer
Joshua Close Flash Chamber Engineer
Jake McLaughlin Soldier
Bill R. Dean Supervising Sound Editor
Doane Gregory Still Photographer
Amy Nygaard Casting Assistant
Jeff 'JJ' Dashnaw Stunts
George Sharperson Cop
Hiro Kanagawa Dr. Ikegawa
Brad Dryborough Train Passenger #2
Joann Fowler Makeup Artist